Stars
Stars are balls of luminous plasma, held together by gravity. They can be seen twinkling overhead from our planet each night. They are enjoyable to look at, but also have been used as navigation tools for centuries.
Total questions 30900
ID0410322982
added Is a red giant star hotter than a white dwarf star to Stars 26 May 2012 02:53
ID1276036736
added What are the coordinates of VY Canis Majoris to Stars 26 May 2012 02:38
BrebnerP (supervisor) [206]
removed How can the climate be warming if the sun is cooling from Stars 26 May 2012 02:17
BrebnerP (supervisor) [206]
changed the question Is the sun cooling as the climate is warming to How can the climate be warming if the sun is cooling 26 May 2012 02:15
Stars leave the red giant branch when the temperature of the core reaches about 100 millionoK and helium fusion in the core...
Popularity: 1 • Tools: Recategorize
The Sun does not have the mass to go nova or supernova, or become a black hole. Instead, in about 5 billion years, it will become...
Popularity: 1 • Tools: Recategorize
Popularity: 1 • Tools: Recategorize • Needs Answer
Popularity: 1 • Tools: Recategorize • Needs Answer
A sunspot.
Popularity: 1 • Tools: Recategorize
As one of perhaps 200 to 400 billion stars in the Milky Way, the sun has no influence whatsoever on the galaxy, and would make...
Popularity: 1 • Tools: Recategorize
Popularity: 1 • Tools: Recategorize • Needs Answer
Popularity: 1 • Tools: Recategorize • Needs Answer
there are two separate ways that astronomers measure the brightness of a start, there is actuall and aparent brightness. In...
Popularity: 1 • Tools: Recategorize
Popularity: 1 • Tools: Recategorize • Needs Answer
Popularity: 1 • Tools: Recategorize • Needs Answer
Popularity: 1 • Tools: Recategorize • Needs Answer
Popularity: 1 • Tools: Recategorize • Needs Answer
Popularity: 1 • Tools: Recategorize • Needs Answer
from the orbits of stars and gas clouds orbiting the galactic center at greater distances than the Sun
Popularity: 1 • Tools: Recategorize
Popularity: 1 • Tools: Recategorize • Needs Answer
The color of a star is determined by how hot it is, with blue being the hottest.
Popularity: 1 • Tools: Recategorize
Popularity: 1 • Tools: Recategorize • Needs Answer
The Sun likes the earth's atmosphere, but the earth's atmosphere thinks the sun is really annoying. It is a very complex...
Popularity: 1 • Tools: Recategorize
Popularity: 1 • Tools: Recategorize • Needs Answer
Yes.
Popularity: 1 • Tools: Recategorize
yes. earth, jupiter, mars, etc. is the galaxy of the sun.
Popularity: 1 • Tools: Recategorize
No not for all but for some it is.
Popularity: 1 • Tools: Recategorize
Popularity: 1 • Tools: Recategorize • Needs Answer
The sun's first rays of a new year strike Mt. Hakepa on Pitt Island of New Zealand's Chatham Islands, 850km from New Zealand's...
Popularity: 1 • Tools: Recategorize
white Each star type has it's own emission spectrum. There are stars that are very hot and look blueish to the eye (but have a...
Popularity: 1 • Tools: Recategorize
Stars are primarily hydrogen and helium.
Popularity: 1 • Tools: Recategorize
The biggest star in OUR Solar System is the Sun... Yes, the big hot orange, yellow and red thing that gives our Earth light.
Popularity: 1 • Tools: Recategorize
scientifically no for the sun is so hot u would melt and noone so far proved can survive getting there
Popularity: 1 • Tools: Recategorize
Total time about 10 billion years = 3.1556926 × 1017 seconds
Popularity: 1 • Tools: Recategorize
Difference between what? See related question
Popularity: 1 • Tools: Recategorize
Popularity: 1 • Tools: Recategorize • Needs Answer
Popularity: 1 • Tools: Recategorize • Needs Answer
Popularity: 1 • Tools: Recategorize • Needs Answer
Popularity: 1 • Tools: Recategorize • Needs Answer
All blue or white stars are more massive than our Sun
Popularity: 1 • Tools: Recategorize
Popularity: 1 • Tools: Recategorize • Needs Answer
The largest object in the solar system is the Sun.
Popularity: 1 • Tools: Recategorize
They are fusing light elements such as Hydrogen and Helium into heavier elements such as Lithium and Carbon.
Popularity: 1 • Tools: Recategorize
Popularity: 1 • Tools: Recategorize • Needs Answer
Popularity: 1 • Tools: Recategorize • Needs Answer
Popularity: 1 • Tools: Recategorize • Needs Answer
Because if there was more than one, you wouldn't be asking this question. The planets would not have formed the way they have and...
Popularity: 1 • Tools: Recategorize
Popularity: 1 • Tools: Recategorize • Needs Answer
Yes, our sun is around 4.57 billion years old and is currently around halfway through its main sequence life.
Popularity: 1 • Tools: Recategorize
Popularity: 1 • Tools: Recategorize • Needs Answer
Popularity: 1 • Tools: Recategorize • Needs Answer
A binary star system (2)
Popularity: 1 • Tools: Recategorize
All stars are different but a blue giant will only "live" for about a couple of million years. Our Sun will "live" for about 10...
Popularity: 1 • Tools: Recategorize
Popularity: 1 • Tools: Recategorize • Needs Answer
Least to greatest what?: Size Mercury Mars Venus Earth Density Mars Venus Mercury Earth
Popularity: 1 • Tools: Recategorize
Because Sirius is a much brighter star, regardless of the distance. It is so much brighter than Alpha Centauri that it appears...
Popularity: 1 • Tools: Recategorize
Morning Star and Evening Star are two names for Venus.
Popularity: 1 • Tools: Recategorize
Rigel and Betelgeuse don't orbit each other. They are hundreds of light-years away from each other.
Popularity: 1 • Tools: Recategorize
Popularity: 1 • Tools: Recategorize • Needs Answer
Popularity: 1 • Tools: Recategorize • Needs Answer
Popularity: 1 • Tools: Recategorize • Needs Answer
it would be dark--YES it would be dark, but the infra red spectrum would also be blocked and our planet would FREEZE over! The...
Popularity: 1 • Tools: Recategorize
yes the red giant star is the expansion of star In the late phase of stellar evolution. During this stellar phase the surface of...
Popularity: 1 • Tools: Recategorize
Its called as nuclear fusion. The nucleus of hydrogen atoms fuse together and form helium nucleus. There is some difference of...
Popularity: 1 • Tools: Recategorize
Popularity: 1 • Tools: Recategorize • Needs Answer
Red giant stars range from about 2,700 kelvins to 4,500 kelvins on average which is equivalent 4,500 to 7,640 degrees Fahrenheit
Popularity: 1 • Tools: Recategorize
Several things to consider: -- Because of its ENORMOUS size. We believe that Betelgeuse is about as large as the orbits of the...
Popularity: 0 • Tools: Recategorize