Space & Astronomy
Exploring "Why" questions about Space & Astronomy
480 articles
Why is there no sound in space?
because there is no air or other matter. Sound is vibrations in air. No air=no sound.
Why is solar system is much or less like a plane but not a sphere?
When you've got a system forming you've got a huge cloud of stuff moving in many ways. If you add up all the ways 'everything' is moving, some way obviously comes out ahead. So you've got a direction
Why do we spend so much effort and money to explore space, if “over 95% of the oceans remain unexplored”. Could there still be incredible things we don’t know about?
I am an offshore/subsea engineer. I work with Remotely Operated Vehicle (ROV) pilots who have probably seen more of the seabed than any other group of people on the planet. I've seen a fair bit of it
Why does the dark side of the moon never face the earth?
Sometime the dark side of the moon *does* face us. It's called a [New Moon](_URL_0_). I believe your question is about the [far side of the moon](_URL_1_).
Why don’t more satellites get damaged from space debris?
While there is a lot of trash around, space is huuuuuge. And the chances of something beeing hit are pretty small. This map shows you all the sattelites in earth orbit _URL_0_ and just look at how muc
Why do people fill empty space between words with “uhh” and “umm” instead of silence?
To let you (the listener) know that they are still talking. In a polite conversation, when one person is silent that is usually seen as permission for the other person to talk. If I stop talking to th
Why is there so much clutter and loose wires on the International Space Station? Isn’t it dangerous? Why don’t they clean it up?
Weight is everything. The more weight, the large rocket required. More money.
Why hasn’t anyone else been to the moon? It seems like something that super rich people would do for fun, like James Cameron going to the Mariana Trench.
If' Elon Musk has taught you nothing else, it's that getting to space is really, really hard and expensive. Getting a submersible that can withstand the depths of the ocean is small potatoes in compar
Why would an asteroid collision wipe out life on earth?
> but would it stay there for so long that we would all freeze to death? Your bigger worry is starving because all the plants have died out due to lack of sunlight. But yes it would stay up there f
Why does a marshmallow, when burned completely, leave hard black charred material behind? Is that made up of carbon?
Marshmellows are essentially pure sugar. Sugar is made of of three elements: Carbom Hydrogen Oxygen The products of said reaction, given perfect quantities of all elements, are CO2 and H2O. That said,