• Are black holes essentially gobbling up the universe which would nullify the theory that the universe is expanding?

    Black holes are made up of massive stars that died. There isn't enough of those stars in the observable universe to create black holes that can reverse the accelerating expansion of the universe or "nullify the theory that the universe is expanding"
    Black holes are made up of massive stars that died. There isn't enough of those stars in the observable universe to create black holes that can reverse the accelerating expansion of the universe or "nullify the theory that the universe is expanding"
    10 answers · Astronomy & Space · 2 months ago
  • What is the repulsive force that prevents the earth to become part of the sun mass?

    What may appear like "repulsive force" that keeps the earth orbiting the sun, instead of falling into it, is actually a balance between velocity and gravity
    What may appear like "repulsive force" that keeps the earth orbiting the sun, instead of falling into it, is actually a balance between velocity and gravity
    16 answers · Astronomy & Space · 2 months ago
  • What is Time?

    No one seems to be sure of what time is. Allow me to go sci-fi and I say it's an expansion of the membrane of our universe away from the big bang. Gravity slows down time because it's a drag on the membrane causing that particular point to slow down into a spacetime curvature. A speeding object or mass of a particular point to another point... show more
    No one seems to be sure of what time is. Allow me to go sci-fi and I say it's an expansion of the membrane of our universe away from the big bang. Gravity slows down time because it's a drag on the membrane causing that particular point to slow down into a spacetime curvature. A speeding object or mass of a particular point to another point on the membrane can only be done by making a curvature on the membrane itself and that slows down time similar to that caused by gravity. Yes we are already manipulating time by sending satellite into orbit
    7 answers · Astronomy & Space · 2 months ago
  • Does existence exist on Planck points?

    A singularity may be, but that would also be where the laws of normal space-time could not exist
    A singularity may be, but that would also be where the laws of normal space-time could not exist
    4 answers · Astronomy & Space · 1 year ago
  • Could time travel somehow be possible?

    Not to the past
    Not to the past
    11 answers · Astronomy & Space · 2 years ago
  • Hy, where does the Sun goes after sunset?

    It goes to shine and heat up the other side of the earth
    It goes to shine and heat up the other side of the earth
    10 answers · Astronomy & Space · 2 years ago
  • What would happen if the sun burned the moon?

    Earth would be burned too but don't worry because that will only happen in about 5 billion years from now, when the sun dies.
    Earth would be burned too but don't worry because that will only happen in about 5 billion years from now, when the sun dies.
    6 answers · Astronomy & Space · 2 years ago
  • Will earth survive the death of our sun?

    Yes it probably will survive but certainly nothing like earth as we know it
    Yes it probably will survive but certainly nothing like earth as we know it
    10 answers · Astronomy & Space · 2 years ago
  • Why does nothing last forever? Mountains crumble into dust?

    This could be due to the universe having a starting point and its expansions creates, among other thing, the Second Law of Thermodynamics which states that "disorder always increases with time" and thus nothing last or stays the same forever. Any theory about everlasting existence will disagree with this law and spell bad trouble. If the... show more
    This could be due to the universe having a starting point and its expansions creates, among other thing, the Second Law of Thermodynamics which states that "disorder always increases with time" and thus nothing last or stays the same forever. Any theory about everlasting existence will disagree with this law and spell bad trouble. If the universe has existed forever it would be in a state of complete disorder by now: having everything at the same temperature, the night sky would have been as bright as the surface of the Sun. So nothing last forever, mountains crumbles, stars burnt out, all previous existences vanish never to return, can be seen as the result of the Second Law of Thermodynamics and also as testimonies of the universe having a starting point and an end to itself as well.
    12 answers · Astronomy & Space · 2 years ago
  • In the future, what if the world was ended? Do life exist???????

    In the future earth will ultimate be engulfed by the sun, creating an environment that can no longer support life form as we know it. But life may still survive; through evolution it may live in space even with out the earth, the moon or the sun. Human may also be able to develop warp drive technologies that enable them to move and travel faster... show more
    In the future earth will ultimate be engulfed by the sun, creating an environment that can no longer support life form as we know it. But life may still survive; through evolution it may live in space even with out the earth, the moon or the sun. Human may also be able to develop warp drive technologies that enable them to move and travel faster then light speed and migrate elsewhere
    11 answers · Astronomy & Space · 2 years ago
  • What's a parallel universe?

    My parallel universe are universes where all my possible existence reside: one unique universe for one of my unique existence
    My parallel universe are universes where all my possible existence reside: one unique universe for one of my unique existence
    15 answers · Astronomy & Space · 2 years ago
  • Do you believe aliens visit us?

    No, not yet
    No, not yet
    18 answers · Astronomy & Space · 2 years ago
  • Do you believe in In Aliens? Do you believe that foreign life exists somewhere in the universe?

    By logic there is life elsewhere. Our technology may not be good enough to detect them or they are able to hide from us. But it's also possible that there is no other life within our range of detection; and that they only exist in galaxies that are drifting away from us faster then light speed - that our world and theirs are separated by the... show more
    By logic there is life elsewhere. Our technology may not be good enough to detect them or they are able to hide from us. But it's also possible that there is no other life within our range of detection; and that they only exist in galaxies that are drifting away from us faster then light speed - that our world and theirs are separated by the event horizon and in that case we will loose each other forever.
    9 answers · Astronomy & Space · 2 years ago
  • What if aliens came down to Earth and told us they created us?

    Then it is time for us to be prepared to be fully utilised by our creator or fight back
    Then it is time for us to be prepared to be fully utilised by our creator or fight back
    26 answers · Astronomy & Space · 2 years ago
  • Can the Universe exist without you ?

    Yes the universe can exist without you but not the one you live in, created, measured and perceived by your own mind
    Yes the universe can exist without you but not the one you live in, created, measured and perceived by your own mind
    171 answers · Astronomy & Space · 2 years ago
  • How did life on the planet really start ? Looking for scientific explanations only?

    The starting point of life on earth is amino acid brought by asteroids. For scientific explanation, refer to: https://en.wikipedia.org/wiki/Amino_acid
    The starting point of life on earth is amino acid brought by asteroids. For scientific explanation, refer to: https://en.wikipedia.org/wiki/Amino_acid
    8 answers · Astronomy & Space · 2 years ago
  • Why doesn't the moon produce light like the sun?

    The moon does not produce light because it is too small: insufficient mass or gravity to compress its core to produce enough heat that emits light energy
    The moon does not produce light because it is too small: insufficient mass or gravity to compress its core to produce enough heat that emits light energy
    19 answers · Astronomy & Space · 2 years ago
  • Why haven't we planted anything on Mars?

    Because it isn't cost-effective yet
    Because it isn't cost-effective yet
    10 answers · Astronomy & Space · 2 years ago
  • Star gazing?

    Stars that appear red, orange or yellow are said to be moving away from us http://solar-center.stanford.edu/activit...
    Stars that appear red, orange or yellow are said to be moving away from us http://solar-center.stanford.edu/activit...
    10 answers · Astronomy & Space · 2 years ago
  • Has anyone ever been on Uranus?

    No
    No
    22 answers · Astronomy & Space · 2 years ago