If the Sun were replaced by a black hole of the same mass, the planets would continue to orbit the black hole at a safe distance. However, life would be impossible without the light and heat from the Sun. Earth’s temperature would change, and there would be no solar wind or solar magnetic storms.

Without the Sun, all living things would freeze to death in days, or possibly even hours. However, Earth would survive. 

If a black hole has a mass like the Sun, only objects that are in a radius of 1,718 kilometers will be sucked into the black hole. No material that falls inside a black hole could survive intact.

Scientists have agreed that all the stars in the universe are shrinking and will eventually disappear. Like the sun in our solar system, every second it loses about 4 million tons of mass.

All-Stars Will Fade Away

Well, all scientists agree that the stars in this universe will disappear because the mass continues to decrease. And the only energy in the universe will be black holes. Physicists in the 1980s believed that every galaxy contains at least one supermassive black hole.

Earth Freezes

After the sun is replaced by a black hole, the earth, and all the planets will lose their light source. This will lead to various events that end in the extinction of life. Well, the first thing that happens is that the atmosphere on Earth will rain like a liquid and it will freeze.

Could the Sun Become a Black Hole?

The good news, scientists categorize the sun as a dwarf star. So, the sun can never explode and evolve into a black hole because of its relatively small mass. Technically, black holes cannot form from stars that only have dwarf mass like our sun.

To become a black hole, the sun must have at least the mass of the star Betelgeuse. And so you know, Betelgeuse will soon explode, and he will become a Blackhole.

What if sun turn into a black hole. What would it be like for us? Well, the black-hole-Sun will not be giving out any light or heat, so prepare for miserable existence in freezing cold and pitch black environment. You will not be able to see the Moon and our neighbor planets on the permanently dark sky anymore, only stars. But here is good news: our black-hole-Sun will be so small, that “gravity-wise” we would hardly notice any difference. Even if the Sun somehow converted into a black hole without the initial expansion, explosion and, inevitably, mass loss that normally accompany such transformation, a solar mass black hole will still be tiny

LIFE ON A PLANET ORBITING A BLACK HOLE

As for the living things on our planet, life on Earth, even though it will stay on its current orbit, will not be a picnic. As the temperature on Earth drops, the surface water will quickly freeze. Without sunlight, photosynthesis will cease and plants and, consequently, plant eating species will die out. Humans might be able to survive underground using geothermal energy for heating and to generate electricity. Don’t fancy living underground? You will be surprised to hear that underground living becomes increasingly popular these days, even with no threat of the Sun turning into a black hole. Earth sheltered houses, either underground ones or bermed (that means one side is exposed and others are covered by earth), provide excellent protection from natural disasters, elements and noise pollution. You can go to Efficient Earth-Sheltered Homes to find out more.

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