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How many golf balls fit in the universe?
one
How could you combine the following two questions into one question Ex- Who KnowsDoes the universe have nine planets Is it - Who Knows if the universe has nine planets or?
Those are both poorly worded versions of the same question. The question should read:"Does the universe have nine planets?"And the answer is:"No. The Universe has trillions and trillions of planets, but our solar system has eight planets."
How many planets are beyond the solar system?
no one knows because no one can travel to the edge of the ever-expanding universe
Which planet in our solar system has only one moon?
Many planets have only one moon. For example, Earth only has one moon. There are likely to be billions of planets in our universe with just one moon. As you can imagine, the list of these would take a long time to write out. We will only have discovered a small amount of actual planets that fit this description though.
A sentence using Mercury in it?
Mercury is one of the seven planets in the universe.
How many planets does the universe have?
No-one can possibly know for sure, but the answer is probably billions. There are hundreds of billions of stars in our own Milky Way galaxy, many of which have solar systems of their own, and as many galaxies in the Universe as there are stars in our own galaxy (and the Milky Way is by no means a particularly large galaxy, just of average size). If you take all of this into account, the number of planets likely to be in the universe would be many billion.
Are there probably more planets or more galaxies in the universe explain your answer?
Since a galaxy can have many solar systems and a solar system might have more than one planet, for each galaxy there would be many planets. Therefore there would be more planets than galaxies.
Why planets do not bump with one another?
The way physics work in our universe tends to lock planets and whatnot into orbits, and since our spot of the universe has been around for a while now these orbits have "all" been tested and found not to coincide with each other. It is possible that we one day would encounter a rogue planet drifting through the universe that could be headed for a collision with one of "our" planets.
How old is the other earth?
There are many planets in the universe, but as far as we know there is only one Earth, therefore I do not know to which "other earth" you are referring.
Where do Stars Galaxies Nebulae and Planets fit in the grand scheme?
Galaxies/nebulae are at the top of the tree; each one contains several billion stars. Each star might have many planets orbiting around it, and planets can have many moons.
Would the universe ever end?
No because we are one of many million galaxys in the universe and even if all the planets dissapeared along with the stars and other objects flying around in the universe there would still be a extremely large amount of emptyness up in the skySo the answer is NO the universe will never end.
Is there an earth like ours in this universe?
We suspect that there are probably other planets in the universe that could be habitable. It's not likely that there's one EXACTLY like Earth, though.
