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Unit of solid angle
A square degree (deg2) is a non-SI unit measure of solid angle. Other denotations include sq. deg. and (°)2. Just as degrees are used to measure parts
Square_degree
Unit of plane angle where a full circle equals 360°
A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a unit of measurement of a plane angle in
Degree_(angle)
Measure in 3-dimensional geometry
{\displaystyle 4\pi } . Solid angles can also be measured in squares of angular measures such as degrees, minutes, and seconds. A small object nearby may subtend
Solid_angle
Galaxy cluster in the constellation Phoenix
constellation of Phoenix. It was initially detected in 2010 during a 2,500-square-degree survey of the southern sky using the Sunyaev–Zeldovich effect by the
Phoenix_Cluster
90° angle (π/2 radians)
In geometry and trigonometry, a right angle is an angle of exactly 90 degrees or π {\displaystyle \pi } /2 radians corresponding to a quarter turn
Right_angle
Unit of measurement for temperature
The degree Celsius is the unit of temperature on the Celsius temperature scale (originally known as the centigrade scale in English), one of two temperature
Celsius
Telescope at the South Pole
2012–2016 and was used to make deep, high-resolution maps of hundreds of square degrees of the Southern sky. In 2017, the third-generation camera SPT-3G was
South_Pole_Telescope
SI derived unit of solid angle
to 1/4π of a complete sphere (spat), to (360°/2π)2 ≈ 3282.80635 square degrees, and to the spherical area of a polygon having an angle excess of 1 radian
Steradian
Test statistic
error of the equation (see Ordinary least squares § Reduced chi-squared) It is defined as chi-square per degree of freedom: χ ν 2 = χ 2 ν , {\displaystyle
Reduced_chi-squared_statistic
Standard for representing locations on Earth's surface in databases
obtained by progressively subdividing 10×10 degree World Meteorological Organization squares; the term "c-square" is also available for use to designate any
C-squares
Shape with four equal sides and angles
rectangles, a square's angles are right angles (90 degrees, or π/2 radians), making adjacent sides perpendicular. The area of a square is the side length
Square
Constellation straddling the celestial equator
of the 88 modern constellations, measuring 1303 square degrees, and also the longest at over 100 degrees. Its southern end borders Libra and Centaurus and
Hydra_(constellation)
System of subdividing geographical cells
quarter-degree grid cells (or QDS – quarter-degree squares) are a way of dividing the longitude and latitude degree square cells into smaller squares, forming
QDGC
Value in statistics
sum of squares due to lack of fit, or more tersely a lack-of-fit sum of squares, is one of the components of a partition of the sum of squares of residuals
Lack-of-fit_sum_of_squares
Constellation in the northern celestial hemisphere
the sky by the seven hunters of the myth of Siritjo. Covering 1121 square degrees, Pegasus is the seventh-largest of the 88 constellations. Pegasus is
Pegasus_(constellation)
Triangular tool used by carpenters
on dimensional lumber, and as a saw guide for short 45 and 90 degree cuts. "Speed Square" is a registered trademark of the Swanson Tool Company in the
Speed_square
Multi-spectral imaging and spectroscopic redshift survey
photometric observations taken with the SDSS imaging camera, covering 14,555 square degrees on the sky (just over 35% of the full sky). Data release 9 (DR9), released
Sloan_Digital_Sky_Survey
Public square in London, England
Trafalgar Square (/trəˈfælɡər/ trə-FAL-gər) is a public square in the City of Westminster in Central London. It was established in the early 19th century
Trafalgar_Square
Number of values in the final calculation of a statistic that are free to vary
degrees of freedom is the dimension of the subspace. The degrees of freedom are also commonly associated with the squared lengths (or "sum of squares"
Degrees of freedom (statistics)
Degrees_of_freedom_(statistics)
Deep image of the Universe
spectroscopic analysis from X-rays to radio waves, in a region of two square degrees in the Constellation Sextans. COSMOS, when it was proposed in 2003 as
COSMOS_field
List of constellations by area
ranked by the solid angle that they subtend in the sky, measured in square degrees and millisteradians. These solid angles depend on arbitrary boundaries
IAU designated constellations by solid angle
IAU_designated_constellations_by_solid_angle
Part of the Catalina Sky Survey
(with 10560x10560-pixel camera at the f/1.6 prime focus, for a five square degree field of view) operated by the Steward Observatory at Mount Lemmon Observatory
Mount_Lemmon_Survey
International radio telescope project
The Square Kilometre Array (SKA) is an intergovernmental international radio telescope project being built in Australia (low-frequency) and South Africa
Square_Kilometre_Array
American animated sitcom
SpongeBob SquarePants, also known simply as SpongeBob, is an American animated comedy television series created by marine science educator and animator
SpongeBob_SquarePants
Constellation in the southern celestial hemisphere
Vela (the sails). Puppis is the largest of the three constellations in square degrees. It is one of the 88 modern constellations recognized by the International
Puppis
Probability distribution and special case of gamma distribution
degrees of freedom is the distribution of a sum of the squares of k {\displaystyle k} independent standard normal random variables. The chi-squared distribution
Chi-squared_distribution
American real estate developer (1937–2025)
founder of the Georgetown Company, which oversaw the renovation of Madison Square Garden and the construction of the IAC Building. He was the husband of actress
Marshall Rose (real estate developer)
Marshall_Rose_(real_estate_developer)
Group of fraternal organizations
The degrees are part allegorical morality play and part lecture. These three degrees form Craft Freemasonry, and members of any of these degrees are known
Freemasonry
Attack in New York Hasidic community
Rottenberg chose not to pray in New Square's main synagogue led by Skver Grand Rabbi David Twersky. Rottenberg suffered third-degree burns over 50 percent of his
New_Square_arson_attack
Number whose square is a given number
mathematics, a square root of a number x is a number y such that y 2 = x {\displaystyle y^{2}=x} ; in other words, a number y whose square (the result of
Square_root
Town square in Amsterdam
Dam Square or the Dam (Dutch pronunciation: [dɑm]) is a town square in Amsterdam, the capital and most populated city of the Netherlands. Its notable
Dam_Square
Zodiac constellation in the northern hemisphere
represented as one. Cancer is a medium-size constellation with an area of 506 square degrees and its stars are rather faint, its brightest star Beta Cancri having
Cancer_(constellation)
Study of how astronomical objects change with time
distant events, their small fields of view – typically less than 1 square degree – meant that the chances of looking in the right place at the right
Time-domain_astronomy
Natural number
rhombus, and square. Four is the highest degree general polynomial equation for which there is a solution in radicals. Four is the only square number N =
4
Statistical hypothesis test
A chi-squared test (also chi-square or χ2 test) is a statistical hypothesis test used in the analysis of contingency tables when the sample sizes are
Chi-squared_test
Square of numbers with equal row, column and diagonal totals
the square by 180 degree. In the example using a 4×4 magic square, the left square is the original square, while the right square is the new square obtained
Magic_square
Mathematical concept
the degree of a polynomial is the highest of the degrees of the polynomial's monomials (individual terms) with non-zero coefficients. The degree of a
Degree_of_a_polynomial
Planetary nebula in the Lynx constellation
degrees, a galactic latitude of +31 degrees, and is the first such object in the Perek-Kohoutek catalog to occupy that particular one square degree area
Jones-Emberson_1
Star forming region in the constellation Chamaleon
and Octans. The mean density of X-ray sources is about one source per square degree. The Chamaeleon I (Cha I) cloud is one of the nearest active star formation
Chamaeleon_Cloud
Channel in the Bay of Bengal
10-degree line of latitude north of the equator, hence the name. Ten Degree Channel is in the red square Andaman and Nicobar Islands map Ten Degrees Channel
Ten_Degree_Channel
Extent of the observable world seen at any given moment
angular area viewed by the instrument, in square degrees, or for higher magnification instruments, in square arc-minutes. For reference the Wide Field
Field_of_view
Polynomial with no repeated root
In mathematics, a square-free polynomial is a univariate polynomial (over a field or an integral domain) that has no multiple root in an algebraically
Square-free_polynomial
polynomials h, g of degree at most n, the exponentiation hq mod g can be done with O(log(q)) polynomial products, using exponentiation by squaring method, that
Factorization of polynomials over finite fields
Factorization_of_polynomials_over_finite_fields
Flat tool used in carpentry to mark right angles and calculate angles
of 90 degrees (a right angle). Today the steel square is more commonly referred to as the framing square or carpenter's square, and such squares are no
Steel_square
Telescope in the Palomar Observatory
of view, using a 16×6144×6160 CCD array (606 megapixels) with a 47-square-degree field of view. About half of the large photographic glass plate negatives
Samuel_Oschin_telescope
Topics referred to by the same term
squares, to the operation of squaring, to terms of the second degree, or equations or formulas that involve such terms. Quadratus is Latin for square
Quadratic
Tabular summary of genetic combinations
The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment. It is named after Reginald C
Punnett_square
American actor (born 1958)
in New York City, where he appeared in a production at the Circle in the Square Theater School. "I wanted life, man, the real thing", he later recalled
Kevin_Bacon
Indicator for how well data points fit a line or curve
chi-square is calculated as the SSR divided by the degrees of freedom. Both R2 and the norm of residuals have their relative merits. For least squares analysis
Coefficient_of_determination
Medical condition
Second-degree atrioventricular block (AV block) is a disease of the electrical conduction system of the heart. It is a conduction block between the atria
Second-degree atrioventricular block
Second-degree_atrioventricular_block
Group of symmetries of the square
D8) is the dihedral group of degree 4 and order 8. It is the symmetry group of a square. As an example, consider a square of a certain thickness with the
Dihedral_group_of_order_8
Type of two-dimensional barcode
Wave for labelling automobile parts. It features white and black squares within a square grid featuring fiducial markers on the corners, readable by imaging
QR_code
Object used in engineering and technical drawing
bevelled. These set squares come in two usual forms, both right triangles: one with 90-45-45 degree angles, the other with 30-60-90 degree angles. Combining
Set_square
Square root of a non-positive real number
its property i2 = −1. The square of an imaginary number bi is −b2. For example, 5i is an imaginary number, and its square is −25. The number zero is
Imaginary_number
Approximation method in statistics
predicted by the model. Least squares problems fall into two categories: linear or ordinary least squares and nonlinear least squares, depending on whether or
Least_squares
Natural number
4, and is the smallest odd prime number and the only prime preceding a square number. It has religious and cultural significance in many societies. The
3
Algorithms for calculating square roots
Square root algorithms compute the non-negative square root S {\displaystyle {\sqrt {S}}} of a positive real number S {\displaystyle S} . Since all square
Square_root_algorithms
Square in Hanoi, Vietnam
Ba Đình Square (Vietnamese: Quảng trường Ba Đình) is the name of a square in Hanoi where president Ho Chi Minh read the Proclamation of Independence of
Ba_Đình_Square
Constellation in the northern celestial hemisphere
smallest of the modern constellations (after Crux), spanning only 72 square degrees. It is also very faint, having no stars brighter than the fourth magnitude
Equuleus
Degrees of Freemasonry
the first three Masonic degrees constitute the fundamental degrees in all Rites they are called Blue Lodge of Craft degree. Over time, various systems
High_Masonic_degrees
Product of an integer with itself
In mathematics, a square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with
Square_number
The optical square uses a pentaprism to reflect and refract a beam or sighting 90 degrees, it is used in pairs in surveying and in a singular block in
Optical_square
Anglo-Australian Telescope survey, 1997–2002
results from the 2dFGRS. The 2dF survey covered an area of about 1500 square degrees, surveying regions in both the north and the south galactic poles. The
2dF_Galaxy_Redshift_Survey
City square in Bethlehem, Palestine
Nativity Street. In 1998–1999, the square was renovated to relieve the traffic congestion and currently is, to a large degree, pedestrian only. It is mainly
Manger_Square
Former square in Boston, Massachusetts
Haymarket Square is the historic name of a former town square in Boston, located between the North End, Government Center, the Bulfinch Triangle, and
Haymarket_Square_(Boston)
Expression of polynomials as sum of squares
of squares of rational functions? Hilbert's question can be restricted to homogeneous polynomials of even degree, since a polynomial of odd degree changes
Hilbert's_seventeenth_problem
Radio telescope in Western Australia
The facility began as a technology demonstrator for the international Square Kilometre Array (SKA), an internationally planned radio telescope which
Australian Square Kilometre Array Pathfinder
Australian_Square_Kilometre_Array_Pathfinder
Symbol of Freemasonry and other fraternal bodies
The Square and Compasses (or, more correctly, a square and a set of compasses joined) is the single most identifiable symbol of Freemasonry. Both the square
Square_and_Compasses
Product of a number by itself
ordered field such that every non-negative element is a square and every polynomial of odd degree has a root. The real closed fields cannot be distinguished
Square_(algebra)
Measure of the error of an estimator
In statistics, the mean squared error (MSE) or mean squared deviation (MSD) of an estimator (of a procedure for estimating an unobserved quantity) measures
Mean_squared_error
Astronomical survey that specializes in the study of minor planets
four CCDs to cover a much larger field of view, 2.9 square degrees compared to the ~ 0.1 square degrees of the 1.8-meter. Each year, Spacewatch observes
Spacewatch
American boy band
98 Degrees (stylized as 98°) is an American boy band consisting of brothers Nick and Drew Lachey, Jeff Timmons, and Justin Jeffre. The pop and R&B group
98_Degrees
Natural number
number of binary irreducible polynomials whose degree divides 34 522,808,225 = 228652, palindromic square 535,828,591 = Leonardo prime 536,870,911 = third
100,000,000
Statistical test
between-group degrees of freedom is one less than the number of groups f b = 3 − 1 = 2 {\displaystyle f_{b}=3-1=2} so the between-group mean square value is
One-way_analysis_of_variance
Evaluates how likely it is that any difference between data sets arose by chance
{\displaystyle \chi ^{2}} to the critical value from the chi-squared distribution with df degrees of freedom and the selected confidence level (one-sided,
Pearson's_chi-squared_test
American murderer (1938–2010)
wrestler living and working on du Pont's estate that was located in Newtown Square, Pennsylvania. He was ruled to have been mentally ill but not insane and
John_du_Pont
Public square in Toronto
Sankofa Square (formerly Yonge–Dundas Square) is a public square and outdoor venue at the southeast corner of the intersection of Yonge Street and Dundas
Sankofa_Square
Telescope operated by the Steward Observatory in Pima County, Arizona
Olszewski, was a prime focus, wide-field imager capable of imaging 1 square degree on the sky, while the B&C Spectrograph did spectroscopy. The Steward
Bok_Telescope
Hubble Space Telescope Treasury Project
is a Hubble Space Telescope (HST) Treasury Project to survey a two square degree equatorial field with the Advanced Camera for Surveys (ACS). The largest
Cosmic_Evolution_Survey
Formula that provides the solutions to a quadratic equation
equation. Other ways of solving quadratic equations, such as completing the square, yield the same solutions. Given a general quadratic equation of the form
Quadratic_formula
Lake in Antarctica
90 Degrees East, also known as 90°E Lake, is a lake in Antarctica. With a surface area of about 2,000 square kilometres (770 mi2), it is the second-largest
90_Degrees_East
American serial killer (born 1946)
1965 and 1980. He was nicknamed by media as the Torso Killer and the Times Square Ripper, since some of the murders he was convicted of included acts of mutilation
Richard_Cottingham
Topics referred to by the same term
operator Square (astrological aspect) Square (dessert), a cake-like bar Square (sailing), to adjust yardarms 90 degrees angle to the keel Square (slang)
Square_(disambiguation)
Square root of the mean square
mathematics, the root mean square (abbrev. RMS, rms or rms) of a set of values is the square root of the set's mean square. Given a set x i {\displaystyle
Root_mean_square
In statistics, the non-central chi-squared distribution with zero degrees of freedom can be used in testing the null hypothesis that a sample is from a
Zero_degrees_of_freedom
NASA X-ray astronomy satellite (1970–1973, decay 1979)
locations with a precision of a few square minutes of arc for strong sources and a few tenths of a square degree at the sensitivity limit To study the
Uhuru_(satellite)
Angular measurements, typically for latitude and longitude
Decimal degrees (DD) is a notation for expressing latitude and longitude geographic coordinates as decimal fractions of a degree. DD are used in many geographic
Decimal_degrees
1945 photograph by Alfred Eisenstaedt
V-J Day in Times Square is a photograph by Alfred Eisenstaedt that portrays a U.S. Navy sailor kissing a total stranger after grabbing her on Victory over
V-J_Day_in_Times_Square
Rite of Freemasonry
the Droit Humain, it is a concordant body and oversees all degrees from the 1st to 33rd degrees, while in other areas it is deemed an appendant body with
Scottish_Rite
UNESCO World Heritage Site in Budapest, Hungary
meters and produces 831 liters of hot water per minute at 74 degrees Celsius. The Heroes' Square monument has a 90% duplicate in Shanghai Global Paradise
Heroes'_Square_(Budapest)
American singer, songwriter, and pianist (born 1949)
being recognized as an original Madison Square Garden franchise. Joel announced a concert residency at Madison Square Garden, playing one concert a month
Billy_Joel
Arithmetic operation, inverse of nth power
index or degree, and the number x of which the root is taken is the radicand. A root of degree 2 is called a square root and a root of degree 3, a cube
Nth_root
Semiregular tiling
large and small squares, and may be seen as topologically identical to the truncated square tiling. The squares are rotated 45 degrees and octagons are
Truncated_square_tiling
Natural number
atom. The chemical element with atomic number 2 is helium. Binary number Square root of 2 −2 Colman, Samuel (1912). Coan, C. Arthur (ed.). Nature's Harmonic
2
have approximately a chi-square distribution when the sample size is large. Generally, one reduces by 1 the number of degrees of freedom for each parameter
Minimum_chi-square_estimation
Matrix manipulation algorithm
In numerical analysis, the minimum degree algorithm is an algorithm used to permute the rows and columns of a symmetric sparse matrix before applying the
Minimum_degree_algorithm
Northern Irish astrophysicist
COSMOS Field: Unveiling 1147 Bright Sub-millimeter Sources across 2.6 Square Degrees". The Astrophysical Journal. 880 (1): 43. arXiv:1912.02229. Bibcode:2019ApJ
Rosemary_Coogan
Open star cluster in the constellation Ara
lies at the center of the Ara OB1 association, which extends over a square degree. The cluster is associated with (and provides the energizing radiation
NGC_6193
Quadrilateral with sides of equal length
of a parallelogram and a kite. A rhombus with right angles is a square. A non-square rhombus has two opposite acute angles and two opposite obtuse angles
Rhombus
Public space in Canary Wharf, England
51.50528; -0.02222 Cabot Square is one of the central squares of the Canary Wharf Development on the Isle of Dogs. The square includes a fountain and several
Cabot_Square
SQUARE DEGREE
SQUARE DEGREE
Surname or Lastname
English
English : patronymic from Squire.
Surname or Lastname
English
English : nickname for a frugal person, from Middle English spare ‘sparing’, ‘frugal’.
Boy/Male
American, Anglo, Australian, British, Chinese, Christian, Danish, English, French, German, Scottish
Steward; Stewart is Clan Name of the Royal House of Scotland; Surname; House Guard
Boy/Male
Anglo Saxon American English Scottish
Steward.
Boy/Male
English
Shieldbearer.
Boy/Male
Italian
Squire.
Boy/Male
British, English
Spear-man
Boy/Male
English American
Shieldbearer.
Surname or Lastname
English
English : variant of Spear.
Boy/Male
American, British, English
Shield Bearer
Boy/Male
American, Australian, British, English
Shield Bearer; Knight's Companion
Surname or Lastname
English
English : variant of Squire.
Male
Swedish
Swedish name derived from Old Norse stúra, STURE means "obstinate."
Surname or Lastname
English
English : status name from Middle English squyer ‘esquire’, ‘a man belonging to the feudal rank immediately below that of knight’ (from Old French esquier ‘shield bearer’). At first it denoted a young man of good birth attendant on a knight, or by extension any attendant or servant, but by the 14th century the meaning had been generalized, and referred to social status rather than age. By the 17th century, the term denoted any member of the landed gentry, but this is unlikely to have influenced the development of the surname.
Girl/Female
British, English
Bless
Male
English
French form of English Stewart, STUART means "house guard; steward." In use by the English and Scottish.
Boy/Male
French Latin
A squire.
Surname or Lastname
English
English : patronymic from Squire.
Boy/Male
Indian
Cover
Male
Chinese
square, in the sense of correctness.
SQUARE DEGREE
SQUARE DEGREE
Girl/Female
Arabic, Muslim
Splendid; Glittering
Surname or Lastname
English
English : variant of Waldron.
Boy/Male
Tamil
Fame, Bravery, Fearlessness
Surname or Lastname
English
English : habitational name from any of various places called Wallington. Those in Berkshire, Hampshire, and Greater London are probably all named from the genitive plural of Old English walh ‘foreigner’, ‘Briton’ (see Wallace) + tūn ‘enclosure’, ‘settlement’. One in Northumberland was originally Old English Wealingtūn ‘settlement associated with Wealh’, a personal name or byname. One in Hertfordshire was named as the ‘settlement of the people of Wændel’, an unattested Old English personal name, while one in Norfolk was probably the ‘settlement of the dwellers by the wall (Old English wall)’.
Girl/Female
Assamese, Indian
Beautiful and Goddess Lakshmi
Boy/Male
Teutonic American German
Of the people.
Boy/Male
Indian, Tamil
Person who has Excess in Everything
Boy/Male
Arabic, Lebanese
Arbitrator
Girl/Female
Australian, Celtic, Christian, French, Latin
Dark Haired Elfin Girl; Form of Donna; Lady
Boy/Male
Assamese, Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Tamil, Telugu
Indestructible
SQUARE DEGREE
SQUARE DEGREE
SQUARE DEGREE
SQUARE DEGREE
SQUARE DEGREE
v. t.
To attend as a squire.
n.
The product of a number or quantity multiplied by itself; thus, 64 is the square of 8, for 8 / 8 = 64; the square of a + b is a2 + 2ab + b2.
n.
To place at right angles with the keel; as, to square the yards.
n.
To form with right angles and straight lines, or flat surfaces; as, to square mason's work.
n.
An instrument having at least one right angle and two or more straight edges, used to lay out or test square work. It is of several forms, as the T square, the carpenter's square, the try-square., etc.
n.
A square; a measure; a rule.
n.
Having the toe square.
a.
Having four equal sides and four right angles; as, a square figure.
a.
Of or pertaining to a square, or to squares; resembling a quadrate, or square; square.
a.
Rendering equal justice; exact; fair; honest, as square dealing.
a.
Forming a right angle; as, a square corner.
n.
A square piece or fragment.
imp. & p. p.
of Squire
a.
Even; leaving no balance; as, to make or leave the accounts square.
n.
To make even, so as leave no remainder of difference; to balance; as, to square accounts.
imp. & p. p.
of Square
n.
To multiply by itself; as, to square a number or a quantity.
n.
Hence, anything which is square, or nearly so
n.
One who, or that which, squares.
n.
A square. See 1st Squire.