Yes and No...
Almost all of the stars you see at night with the unaided eye are stars within the Milky Way Galaxy. A few of the things
that you see are actually galaxies themselves.
With a good telescope you can see many, many more galaxies, and each of those galaxies contain billions of stars
in addition to the 200 billion plus stars within our Milky Way Galaxy.
Each of those stars could have from 0 to 10 planets orbiting around it, along with their own assorted moons. We cannot see the majority of those planets because of the brilliance of the individual stars. However, recent developments in deep space research has uncovered a technique for discovering exoplanets and so far Astronomers and Scientists have cataloged 234 of them orbiting fairly close by stars. At this time the technique is only good for locating very big planetary bodies which might compare to our Jupiter, Saturn, and Neptune. In time maybe the process may be refined enough to detect planets the size of Mercury, Venus, Earth, and Mars. Only time will tell...
Not all stars have planets orbiting them we think...That is why I answered Yes and No... but most of them do.
2007-10-11 01:37:22
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answer #1
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answered by zahbudar 6
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Most are,some stars may not contain solar systems(planets)such as binary stars.We know now that solar systems are quite common.We have only been searching since the 1990's,and planets are too small and dim to be directly seen,they are inferred from a "wobble"in the star,showing there is an object with significant mass orbiting it.Currently,the count is 254 planets discovered around other stars,with the number rising almost daily.
Some of what you see as "stars" are not stars at all.Actually,they are entire galaxies,with 100's of billions of stars,but so far away their light appears as a single point,resembling a star.Our sun is a star,and would be seen as such from the viewpoint of another solar system.We differentiate and call it "the sun" because it's our personal star.But it is a star,just like what you see at night,only appearing bigger because it is millions of times closer than the nearest star
2007-10-10 23:58:35
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answer #2
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answered by nobodinoze 5
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Mostly. Some of the "stars" we see are actually planets in our own solar system, close by. And a few are distant galaxies. But mostly they are stars or suns (the words mean the smae thing) though many do not have planets associated with them, so are not really "solar systems."
2007-10-11 02:03:50
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answer #3
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answered by GeoffG 7
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Yes, the light from the Sun illuminates all the planets in our solar system. However, if you double the distance from the Sun, the light is only 1/4 as bright. From Saturn, the sunlight is only as bright as a full Moon on Earth. At Pluto, the Sun is just a very bright star.
2016-05-21 04:06:08
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answer #4
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answered by ? 3
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Most of them are stars from different solar systems, however few are planets in our solar system which receive light from our Sun.
2007-10-10 23:21:08
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answer #5
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answered by Anonymous
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They are suns that's for sure and they are much bigger than our sun but they also have the solar systems like ours is not necessary. There are so many suns found in our galaxy without any solar system at all. Most of them are leading lonely life with only asteroids orbiting them.
2007-10-10 22:44:54
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answer #6
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answered by Kislay 3
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basically, although sometimes you can see other planets in our solar system, sometimes you can see galaxies-i dont remember when but u can see andromeda(our closest neighbor galaxy) sometimes but basically yes
2007-10-11 10:45:44
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answer #7
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answered by kampking13 2
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Yes.
2007-10-11 01:59:54
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answer #8
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answered by harryb 5
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Yes.
2007-10-10 22:56:15
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answer #9
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answered by Anonymous
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no, but we have only found a handful of stars which have planets, 2 i think it was
2007-10-10 23:04:36
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answer #10
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answered by DeepBlue 4
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