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What would happen if there was too much or too low gravity in our universe?
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Why is gravity good?
Without gravity the universe would be much less interesting, and would consist only of a very thin cloud of gas, with no stars or planets, or computers or web-sites.
What would happen to the orbits of the planets if the amount of gravity produced by the sun reduced to almost 0?
The orbits of the planets would all be much larger if the sun had less gravity. They might even just fly off free.
Is it possible that the universe keeps dying and being reborn and we're just experiencing one universe in a much longer possibly eternal string of universes?
That possibility has been considered before. The basic idea is that the Universe collapses due to gravity, and then expands again in the next Big Bang. However, there are several problems with that. For one, the Second Law of Thermodynamics would still apply. In other words, the next universe would be different from the current one, and the cycle could not continue forever. (Note: If you want to understand astronomy, a basic understanding of the Second Law is a must.) Also, this is not supported by observational evidence. For this to happen, the expansion of the Universe would have to slow down over time. The opposite is actually happening: the expansion of the Universe is accelerating.
If you put all the planets together how much would it weigh?
2.66883 x10^27 kg would be their collective mass. If you somehow managed to get them on earth, they would weigh: 5.8837629869346 x10^27 pounds. When talking about planets, it is impossible to determine their collective weight, as weight is dependent upon gravity. Gravity is not a constant factor throughout the universe. But, we can figure out what their theoretical collective mass is, and convert that to earth pounds.
What is the dark matter theory?
astrophysicists can calculate what would happen to objects, based on mass, in space because of what happens here on earth; however, this actually work when you get to space. things don't behave the way they should. One explanation is that we just don't understand gravity as well as we think we do, but it is more likely that it is due to dark matter.when you do the calculations with extra mass in the universe it all works fine. another good explanation for gravity is when astrophysicists calculate how much mass there is in the universe there just isn't enough stuff! plus the fact that there is really high levels of gravity in some places in space but we can't see anything there we just say it is this dark matter and seen as it cannot be disproved we just have to except it!
Why is gravity good?
Without gravity the universe would be much less interesting, and would consist only of a very thin cloud of gas, with no stars or planets, or computers or web-sites.
What would happen to the moon if there was not any gravity What about the planets?
Without gravity, there would be no largescale structure to the universe. If it simply stopped existing, the moon would fly off from earth orbit; the earth and planets would fly away from the sun into deep space, and not only would the solar system dismantle itself but so would the galaxy. Also, the atmosphere would drift off into space, as would (the shortly thereafter dead) human race, and everything else not fixed to the surface of the planet. However, gravity is very much built into the universe - the structure of the universe is based on it being there (and having the relationship with other fundamental forces that it does). It's a very hypothetical question - the thought that you could "lose" gravity but keep everything else in the universe somehow well-behaved.
What would happen to Earth if the gravity on the moon decreased?
Nothing much would happen, the only people to be drastically affected are fisherman and mountain climbers. It would change the tides, and make it much easier for mountaineers to climb!
The moon has no gravity but the rocket lands on it How?
The moon has gravity, all mass in the universe has gravity, but the moon being much smaller than the Earth it has less gravity compared to it, about 16% of the Earth's gravity.
Is the force of gravity important?
No! Of course, there is so much mass that the force of gravity overwhelms everything else in the Universe. Oops, I meant "yes".
What would happen to the orbits of the planets if the amount of gravity produced by the sun reduced to almost 0?
The orbits of the planets would all be much larger if the sun had less gravity. They might even just fly off free.
How much did all mass weigh at the big bang?
Weight is a function of gravity. Gravity is determined by proximity to mass. At the point of the big bang, all the mass of the universe (which is said to be infinite) was compressed to a single point. Therefore the pull of gravity, and thus the weight of that mass would also be infinite.
When does an object with twice as much mass as another weigh twice as much?
Weight = mass x gravity. Therefore, this will happen as long as gravity doesn't change.
How much memory does Lego universe take up?
how much memory would lego universe take up
Is it possible that the universe keeps dying and being reborn and we're just experiencing one universe in a much longer possibly eternal string of universes?
That possibility has been considered before. The basic idea is that the Universe collapses due to gravity, and then expands again in the next Big Bang. However, there are several problems with that. For one, the Second Law of Thermodynamics would still apply. In other words, the next universe would be different from the current one, and the cycle could not continue forever. (Note: If you want to understand astronomy, a basic understanding of the Second Law is a must.) Also, this is not supported by observational evidence. For this to happen, the expansion of the Universe would have to slow down over time. The opposite is actually happening: the expansion of the Universe is accelerating.
What objects in the universe are effected by gravity?
Everything can be affected by gravity, it just needs to be close enough. Even light can be affected by gravity! But I'm not much of a science person, so if you want a more detailed answer, better ask an expert ^^
What would happen if two asteroids got captured in each others gravity?
By definition, asteroids tend to small objects, Being small they have little or no attraction to or from other asteroids. Gravity only comes into play for much larger objects.
