[DOC] [TLE] Apparent Brightness - Teach Astronomy [PAR] Apparent brightness is the brightness perceived by an observer on Earth and ... 
As soon as the Sun sets over the Chilean Atacama Desert, ESO?s Very ... The 
VLT has four 8.2-metre Unit Telescopes such as the one shown in the 
photograph. ... relate the apparent brightness of astronomical objects to the bright 
star Vega. [DOC] [TLE] Astronomical Concepts - Stellarium Wiki [PAR] Nov 9, 2014 ... 1 The Celestial Sphere; 2 Coordinate Systems ... The altitude angle is measured 
up from the horizon. ... and do not change over the course of the day due to the 
rotation of ... The apparent motion of the Sun is caused by the rotation of the Earth
. ... Objects brighter than Vega are given negative magnitudes. [DOC] [TLE] Celestial Sphere [PAR] This system allows one to indicate any position in the sky by two reference points, 
... The altitude of X is the angle measured along the vertical circle through X ... of 
the meridian through a celestial object and the celestial equator is called the ... 
23 1/2 degrees from the plane of our orbit around the Sun, The apparent motion... [DOC] [TLE] Luminosity/Magnitude - Cool Cosmos [PAR] The apparent magnitude or apparent brightness of an object is a measure of how 
bright an object ... It is a measure of how bright a celestial object appears to us. ... 
This system was developed over 2000 years ago by the Greek astronomer ... 
Objects which appear to be much brighter than the stars, such as the Sun, Moon
... [DOC] [TLE] The Brightest Stars - Enchanted Learning Software [PAR] Apparent magnitude is a measure of the brightness of a celestial object as seen 
... of Mars") is the brightest star in Scorpius, one of the constellation in the zodiac. 
... over 600 million miles in diameter (almost 1,000 times bigger than the Sun but
... [DOC] [TLE] Astronomy Notes 2 - Motions of the Sun and the Moon [PAR] One thing you have to remember about the Sun is that it makes it very difficult ... 
the brightness of the Sun is so overwhelming that you don't have much of a ... As 
is apparent, the path of the Sun is curved relative to the Celestial Equator. ... What 
about the Sun moving eastward relative to the stars over the course of the year? [DOC] [TLE] Astronomy Notes 1 - Introduction - University of Northern Iowa [PAR] How do objects, like the Moon, Sun, Planets and Stars, appear to move in the sky
? .... The exact location on the horizon where it rises and sets changes over the 
months. ..... Just like latitude, declination is measured in units of degrees. .... 
make sense is the manner in which astronomers quantify a star's apparent 
brightness. [DOC] [TLE] Understanding Astronomy: The Moon and Eclipses - Physics [PAR] After the sun, the most noticeable celestial object is the moon. ... However, 
whereas the sun creeps eastward only one degree per day with respect to the ... 
for its phases: its variety of apparent shapes, from crescent to half to gibbous to 
full. .... I've seen several partial solar eclipses over the years, and if you're old 
enough,... [DOC] [TLE] Starry Night Education | Astronomy Software | Dictionary [PAR] The lower an object's apparent magnitude, the brighter it is. ... Asteroid: One of 
the many thousand chunks of rock or iron that orbit the Sun, also known ... 
Celestial sphere: The projection of the Earth into space, in which one imagines .... 
Flux: A measure of the amount of energy given off by an astronomical object over 
a fixed... [DOC] [TLE] HubbleSite - Reference Desk - Glossary [PAR] The moon, as viewed from the Earth, has an angular diameter of one-half a 
degree. ... A measure of the brightness of a celestial object as it appears from 
Earth. The Sun is the brightest object in Earth's sky and has the greatest apparent 
magnitude, ... Astronomers from all over the world use the Hubble Space 
Telescope. [DOC] [TLE] parallax | optics | Britannica.com [PAR] In astronomy, the difference in direction of a celestial object as seen

Question: The measure of brightness of a celestial object; the Sun's apparent one is over -26
Answer: magnitude