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If black holes can swallow entire planets and stars, where do the planets and stars go?
At the singularity, the boundary of a black hole the laws of physics change to the laws of quantum mechanics. Time stops within a black hole, and space as we...
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Do planets actually revolve around the sun? Maybe they follow the sun around a more central Star in middle of Galaxy? Based on the heliocentric model of orbiting, how could the planets revolve around the sun this way, if this it were true?
No scientist seriously doubts the heliocentric theory, indeed evidence of it is available to anyone with a decent phone or very modest telescope and a few clear nights to observe...
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What are some of the similarities and differences between the inner planets and outer planets?
The inner planets (Mercury, Venus, Earth, Mars) formed by accretion from heavy elements like iron, nickel, and silica. Thus, they tend to have solid core, mantel and crust to them....
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Could a wormhole be caused in space by somehow placing planets too closely together thus wearing out and eventually tearing the space between planets?
The gravity between two planets is way too weak. The vicinity of a strongly gravitating object that produces a great deal of space-time curvature, such as a black hole, is...
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Which planets are known as the terrestrial planets? Which are known as the gas giants?
The term terrestrial means Earth like. This really means that they are rocky planets. The inner four planets Mercury, Venus, Earth and Mars are all rocky and hence terrestrial planets....
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Why are dwarf planets not considered true planets?
1 The object must orbit a star 2 It should have enough mass to become spherical shape by gravity 3 should clear its neighborhood Dwarf planets do not follow...
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Nearly all the planets astronomers have found orbiting other stars have been giant planets with masses more like that of Jupiter than Earth, and with orbits located very close to their parent stars. Does this prove that our Solar System is unusual?
Wobbling, transit methods can only find large planets,..Directs observation is also difficult..When planet isvfar away the periods are very long and difficult to watch with the present day technology..
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How bad are conditions on Mars if the rovers we have sent there are still functioning?
The 2 most hazardous things about Mars are the atmosphere and the lack of a of any appreciable strength. The first one is pretty obvious, there is almost no...
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How is data sent from Mars rovers to Earth?
NASA and ESA have many orbiting space crafts around mars. Mars reconnaissance orbiter and mars odyssey. relay data to earth via DSN stations around world.
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Do all stars have planets, and are all planets part of solar systems?
Now both ground based and space based telescope shave found out about 3577 Exo plantes around other stars. Few rogue planets were also found orbiting the galaxy with out stars.
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