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Please note that the Sun IS a star. If some OTHER star replaced the Sun... Well, the result would depend on what star you are talking about. A few stars are so big that they would engulf Earth - Earth would be gobbled up by the star. The majority of stars are smaller and fainter than our Sun (our Sun is approximately in the top 90 percentile with respect to brightness and size); in this case, Earth would simply not receive enough light to maintain life as we know it. If you chose a random star, it would likely be either too faint or too bright for us.
What else can I help you with?
What will happen if a star hits earth?
It would be better to ask what would happen if Earth hit a star, as stars are much larger than Earth is. The planet would be vaporized by the intense heat.
If the Sun were replaced by a star with twice as much mass what would happen to the gravitational force between Earth and the Sun?
If the sun was replaced by a star with twice as much mass the gravitational force would be unbalanced and the new sun would burn the earth because if the gravitational force cannot hold than the sun would plummet towards the earth and burn it.
What would happen if Earth was as hot as a star?
we'd be died
Suppose the Sun were replaced by a Star with twice as much mass. Could Earth' s stay the same Why or Why not?
Earth would not be the same is the sun were replaced with a star with twice as much mass. There would be climate changes, changes in daytime and night time, which would offset almost everything.
What would happen if Earth erupted gamma rays?
The earth would have to be a supermassive dying star to emit gamma rays.
Suppose the sun were replaced by a star with twice as much mass could earths orbit stay the same?
No, if the sun were replaced by a star with twice the mass, Earth's orbit would likely change. The gravitational force between the Earth and the new star would be stronger, causing the Earth to orbit closer to the star and potentially leading to a different orbital path.
What would happen if the sun were a blue star?
I think that it would be to hot to live on earth and we would have never existed
What would change in terms of gravity and heat for the Earth if the Sun was suddenly replaced by a super giant star?
earth wouldn't support life. and earths water would evaporate.
What would happen if Betelgeuse was your solar system star?
If Betelgeuse replaced our Sun, it would likely cause drastic changes in our solar system. Betelgeuse is a red supergiant star, much larger and hotter than our Sun, so Earth would be too close to it and would likely be engulfed by the star's expanded outer layers. The intense radiation and heat would also have significant effects on the other planets in our solar system.
How big would the star VY Canis Majoris look like in the sky if it replaced the Sun in your solar system?
It wouldn't exactly "look like" - it would engulf the Earth; that is, we would be INSIDE the star.
What would happen if a neutron star collided with earth?
It is extremely unlikely that a neutron star (or any star or planet) will collide with the Earth, so this is not something that you need to worry about, however, if a neutron star were to collide with the Earth, the Earth would be captured by the intense gravitational field of the neutron star, and would be absorbed by the star. Under sufficient pressure, electrons and protons will merge to form neutrons, and so the atomic matter of which the Earth is composed can be converted into pure neutrons.
What will happen to the earth's gravity if there was no other planets?
The earth would only rotate the sun because the sun is a star so only stars and meteors would be left.
