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Stellar classification


In astronomy, stellar classification is the classification of stars based on their spectral ... This means that the simplified assignment of colors of the spectrum can be ... A0 denotes the hottest ...

Stars - Astronomy and space for kids


Star Color: Not all stars are the same color. ... These colors tell us the temperature of the star. The hotter a ... This means a hot star is blue and a cool star is red.

What is the Hottest Star? - Universe Today


Feb 3, 2009 ... Stars can range in temperature, from the relatively cool red dwarfs to superhot blue stars. ... The color of a star is a function of its temperature. ... Just for comparison, our Sun, which actually looks white from space, measures ...

Colour of Stars - Australia Telescope National Facility


Colour of Stars and colour index page for astrophysics option for NSW HSC Physics. ... a small section of a starfield in Sagittarius taken by the HST from space. ... There is little emission in the blue parts of the spectrum for cool stars - they ...

Why are the stars different colors?


Why should the stars come in so many colors? Why not just white? It turns out the ... The coolest stars are around 3,000 degrees c. They are the red stars. Stars ...

NASA's Cosmicopia -- Ask Us -- Stars


Jun 14, 2012 ... Does the Distance to Stars Affect Their Color? ... Cool stars glow red, stars like the Sun glow yellow, and really hot stars glow ... No, I hear that in space the stars look wonderful, bright (although not twinkling) and very clear.

Color of Stars, Clarkvision.com


May 2, 2015 ... The hottest stars are bluish, the coolest, M stars, are orange/red. ... making stars appear yellower than if we could observe them in outer space.

Types of Stars by Size, Color and Life Cycle - Video & Lesson ...


Learn to identify the different sizes and colors of stars and how they relate to the star life cycle. ... from Earth, the light of the sun would actually look very white if we were in space. ... The coolest stars in the universe are the red dwarf stars.

Stars | Causes of Color - Webexhibits


A star's color is critical in identifying the star, because it tells us the star's ... of the star start to strip away from the star and expand out into space as a nebula.

Star Facts: The Basics of Star Names and Stellar ... - Space.com


Dec 16, 2014 ... Learn how stars form, how stars and constellations are named, what happens ... This causes the star's outer layers to expand enormously and to cool and glow red as .... The color of a star depends on surface temperature.

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Color of Stars - Universe Today


Feb 4, 2009 ... The color of a star depends on its surface temperature. Our Sun's surface ... The coolest stars in the Universe are the red dwarf stars. These are ...

10 cool things about stars | Science Wire | EarthSky


Jun 14, 2015 ... So the red stars you see in the sky are the “coolest” (least hot), and the ... that falls on it, but it also radiates back into space much more than it absorbs. ... For stars, the general colors are, from lower to higher temperatures, red, ...

What color is the coolest star? - Ask.com


The coolest stars are red in color. A star's color gives visible information about its surface temperature. The hottest stars are blue, while white and yellow stars ...