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.
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added Is a red giant star hotter than a white dwarf star to Stars 26 May 2012 02:53
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added What are the coordinates of VY Canis Majoris to Stars 26 May 2012 02:38
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It takes billions of years for molecules of Hydrogen, floating around in space, to come together in sufficient mass to eventually...
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The exact distance between Earth and the Sun varies with its position in its orbit, which is elliptical. The average distance...
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New Answer Luminosity can be measured in more than one unit. - Candela per square metre - Stilb - Apostilb - Lambert -...
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New Answer "Aldorande" is the pronunciation of a star called Alderaan. Alderaan is the disused term for the stars Procyon an...
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The seasons are due to the motion of the Earth around the Sun. So, it may not be surprising that the Sun's position in the sky...
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No. The temperatures and pressures required for fusion are pretty high; millions of degrees.
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Not counting the sun, and without digging up any reference books, just off the top of my head I can come up with Betelgeuse,...
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Mainly, a high mass star has a very short lifetime, because it uses its fuel in a much more wasteful manner: due to its higher...
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During the process of a supernova explosion. See related questions.
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It would quarter. If the distance to a star is doubled, its apparent intensity or brightness would be reduced to one quarter...
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Very Basic Answer:Because the time dilation explained by relativity affects the object (or light) traveling at relativistic...
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That object is easily visible with a pair of binoculars.
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Betelgeuse is 640 light-years away from the Earth. 1 light-year is the distance traveled by light in 1 year. speed of light = 3...
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All elements up to Iron are found in very star (except for very young stars as they have not reached that point yet). Though most...
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Thermonuclear fusion reactions produce an outward pressure that counteracts the inward pressure that would lead to collapse due...
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Great question to chew on ! And I think I can work it out, at least to an order-of-magnitude approximation. Radius of Jupiter's...
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the sun accounts for 99.8% . The most of the rest is contained in Jupiter.
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AnswerThe biggest star seen from Earth, aside from the Sun, is Sirius A. UpdateThe top 10 brightest/biggest stars seen...
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Heat from nuclear fusion produces massive amounts of energy. Thermal energy is usually associated with Light. The concept of heat...
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NO. Defiantly not. It means it gives us light and energy. What kind of question is this. You are weird not to know this.
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There are many, many stars that are at approximately that distance.
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Antares is probably the largest star visible with the naked eye. However, the largest star is VY Canis Majoris which is about...
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In physical terms - to the ends of the Universe. In practical terms - to the edge, where something more massive has a greater...
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93 million miles is the distance from the Earth to the Sunlong ago
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Neither. It is actually a star. Its true name is Polaris, just as the true name of the sun is Sol. It is nicknamed the North...
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The sun burns because it has suffcient fuel but eventually it will use up all that fuel and die. But that will be in about 4.5 to...
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Normal hydrogen fusion forming helium.
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A red giant is a very old star. It is near death. It has depleted its hydrogen supply and is running on fumes, so to speak. Its...
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Sure it shines. We simply don't see it when it is below the horizon.
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The surface temperature of the sun is about 5,780 K, which is 5,500 °C or about 9900 °F, while at the core it's something on...
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The Supernova is the death of a star - whatever happens to the remnants is in the lap of gravity.
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hot, gas, bright, and yellowish orange
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This is because the sun does not orbit anything, this is the heliocentric theory (the sun the center of rotation and it has...
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Move the object closer to the light source. *Move the screen further from the object.*Move the light source closer to the object.
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please note:1. energy could not be produced, it could only be converted2. there is only one sun, there are many starssince the...
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Saturn has 62 moons with confirmed orbits, as of March 2011. 53 have been named and 9 are provisional. These are as follows: ...
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A prodo star is where the gravity begins condensing the hydrogen gas cloud to the point where it heats up and begins to emit...
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It means Stanford University Networks.
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yes. uranus is in the same solar system, therefor sunlight reaches it
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Mercury is the closest planet to the Sun
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A main sequence star is powered by hydrogen fusion to helium.
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Not really a bright spot, but a prominence, the word is "flare".
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Less than 40. Surprising isn't it?
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The one that is next observed.
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Its between 500 to 790 light years away, but it has been proven difficult to measure. 643 light years is the approximation.
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Depends on the mass. Stars can come in many different colors, and no color at all -> if the mass is high enough, the star is...
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Telescopes, mainly.
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It isn't brighter. According to Wikipedia, Vega has an apparent magnitude of 0.03, and Arcturus, -0.04. This makes Arcturus a...
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the brightest star in the heavens is Vega
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Alphard is the brightest star in the constellation Hydra. It has a spectral type of K3 and will have a colour of Orange. See...
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I THINK either everything will die or all the planets will be pushed into another solar system This is just my predicition JUST...
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A yellow hypergiant is one of the most rarest of stars, there are only seven known in the Milky Way Galaxy. The rarity is...
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Since not long after the formation of the first stars, over 11 billion years ago. It is a product of stellar nuclear fusion.
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Nuclear fusion in the sun happens when two hydrogen atoms (which have one valence electron) combined to form one helium atom...
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There is the Saora folktale about the eldest son who attended a wedding. At the wedding, his sister-in-law tricked him and filled...
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The movie ghost beetlejuice will jump out. boo.........
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Age of Stars The age of an individual star can vary; they were all made at different times and have different life spans. Stars...
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Hydrogen. More accurately, hydrogen-1 is converted into helium-4.
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1No.. the planets orbit around the sun. the sun just stays ther. the sun doesn't move. and other suns are many light years away. ...
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The center of any solar system, provided it is a star, is called the "sun." In our solar system, the sun is designated "Sol,"...
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No, the sun isn't out at night!
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Rigel is visible along with Orion. It can be seen in the mornings from August till October and in the evenings from November till...
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Quasars are too far away for a real photo, [but the related link] has an artists impression of what a quasar should look like.
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The earth's dust, gas and air particles scatter the sun's light in different directions. Violet light has a peculiar property due...
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A sunspot is an area on the Sun's surface (the photosphere) that is affected by intense magnetic activity, which inhibits...
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It is not. In fact, the Sun's brightness is fairly constant, changing by only a fraction of one percent. In the winter, when the...
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Whatever they were, they probably died as supernovas and ended up as black holes over 12 billion years ago. Maybe they were the...
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Sunspots may be called "storms on the sun" : the magnetic flow within a sunspot causes disruptions to the transfer of energy to...
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The largest known star is VY Canis Majoris [See Link] which is about 2,100 times larger than our Sun which would mean...
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Yes it does. It contains all the forms of radiation, but 99% of its energy is carried by radiation with wavelengths between 278...
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It doesn't. It is just so large that the gases will take a very long time to be "used up" in the fusion process that generates...
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The Sun does not have enough mass to become a supernova because its mass is less than the Chandrasekhar mass (approximately 1.4...
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A white dwarf, also called a degenerate dwarf, is a small stellar remnant composed mostly of electron-degenerate matter. Because...
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A Red Giant/Supergiant/Hypergiant, depending on its size.
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Yes. Ever star rises every day, about 4 minutes earlier each day. Sometimes they are rising about the same time that the Sun...
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I have heard that for sailor the colors represent port and starboard, Port is left and starboard is right. So a green star would...
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Stars are made up of material similar to a nuclear reactor. They provide their own heat and light source. Our sun is a star but...
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The sun is made of plasma, almost entirely hydrogen and helium. Plasma is superheated matter that is so hot that it is beyond a...
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The Sun is a star... this means that it creates it own energy by buring up the hydrogen in it's core which then turns into heat...
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Blue stars are the hottest whilst black dwarfs are the coldest. (However, no black dwarfs exist yet - see related question) The...
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Yes. Since it is smaller than most other stars, it uses less energy. Answer That's true in a way, but stars don't really...
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They're different sizes. Simplistic. Supergiants, Giants, Dwarfs, Sub dwarfs, White dwarfs. Supergiants are huge. Some of them...
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If it was not a huge star, it will probably become a black dwarf. If it was a huge star, there is a chance of it becoming a black...
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The sun's apparent path is called the 'ecliptic'. The constellations through which it passes are the constellations of the...
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The brightest star is the Sun. See related question.
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There are probably hundreds or thousands of those. Here are a few: http:// - [See Related Links] The Wikipedia article also has...
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It is because the sun is a gigantic star, and stars are made from fire
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There are at least ~1500 galaxies that make up the Virgo Cluster.
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In the center. Heat then flows out to the outer surface by radiation and convection
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The real answer is that there would be no Earth, or any other planets. The planets were formed as part of the same process that...
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