Q&A

Which is the only planet that can sustain life as we know it?

Which is the only planet that can sustain life as we know it?

Earth
According to the panspermia hypothesis, microscopic life—distributed by meteoroids, asteroids and other small Solar System bodies—may exist throughout the Universe. Nonetheless, Earth is the only place in the Universe known to harbor life.

Can humans survive on another planet?

Based on his Copernican principle, J. Richard Gott has estimated that the human race could survive for another 7.8 million years, but it is not likely to ever colonize other planets.

Why is life not possible on all planets answer?

Living beings need the atmosphere to be of a specific composition, with oxygen to breathe and live, the atmosphere and the plants provide them with this gas. The temperature of the planet matters a lot too, living beings would cease to exist if the temperature on the planet was too high or too low for them to handle.

What planet would be best to live on?

Mars is the best planet because Mars and Earth have more in common than any other worlds in the solar system.

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Why Earth is the only planet where life is known to exist?

Earth is the third planet from the Sun and the only known life-bearing object in the Universe. It’s also 100 times thinner than Earth’s atmosphere, so even if it had a similar composition to our own, humans wouldn’t be able to breathe it long enough to survive.

Could life spontaneously form in the universe?

Professor Tomonori Totani from the Department of Astronomy looked at how life’s building blocks could spontaneously form in the universe — a process known as abiogenesis. If there’s one thing in the universe that is certain, it’s that life exists. It must have begun at some point in time, somewhere.

Does the universe exist without life?

If there was no life, intelligence and consciousness, “universe exist” is no longer a fact. Whether or not the universe has ever been without life is a question to which we cannot give any definitive answer.

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Is the universe a scientific fact?

“Universe exists” is a falsifiable fact, but without conscious, living being, it cannot be falsifiable and it stops being “scientific fact”. If there was no life, intelligence and consciousness, “universe exist” is no longer a fact.

How did we come to be in the universe?

The story of how we came to be requires all sorts of cosmic predecessors, from previous generations of stars to the mergers of ancient galaxies to the Big Bang itself. Even dark matter plays an enormously important role in enabling human beings to exist in this Universe.