If a person died in outer space, will it decompose too?
No. If you do die in space your body won’t decompose in the normal way it does here on Earth since there is no oxygen, and without oxygen…
Could Earth be the most technologically advanced civilization in the universe? How likely is this scenario?
According to the latest research, the nearest technological civilization in our Milky Way Galaxy might be about 33,000 light-years away, assuming such civilizations tend to exist for at…
Has something ever left the Milky Way?
Yes, something that we have created already left the Milky Way Galaxy; it might have even reached Andromeda Galaxy, 2.5 million light-years away and 59 currently known satellite…
Why did NASA not see Atlas (the comet that is roughly 1/2 the size of the Sun that will come within 70 million miles of the Earth) before?
First, let’s get something out of the way: comet C/2019 Y4 (sometimes called ATLAS after the telescopes that found it) is not “half the size of the sun.” The comet’s…
Since Jupiter is a gas planet, why can’t comets collide with Jupiter and pass right through it?
Jupiter is the largest planet in the solar system, with a diameter of approximately 143,000 kilometers and a mass 318 times that of Earth. As a gas giant,…
What is the largest structure discovered so far in the known universe?
The largest known structure in the Universe is called the ‘Hercules-Corona Borealis Great Wall‘, discovered in November 2013. This object is a galactic filament, a vast group of…
Could planets with 99% oxygen exist in space?
We actually already have one of those! Though it’s a moon, not a planet. And it only qualifies because of a loophole. This is Europa. It’s a moon…
If you poured water into space, would it freeze or evaporate first?
Why should it freeze? Contrary to popular misconception, space is not cold. Being a near-perfect vacuum, space itself has no temperature at all. If a given object is in space…
If we could travel 1 billion times faster than the speed of light, will we reach other galaxies in seconds, or what would happen?
Here’s the thing, If you travel to the next galaxy at the speed of light YOU will arrive instantaneously If you travelled FASTER than light .. if were…
Scientists say the universe is 14 billion years old. What if it has always been here and never had a beginning?
That was the thought a long time ago until this guy noticed something: George Lemaitre. Astronomer, mathematician, physicist and priest. He noticed something interesting. Objects were moving away…