The near-vacuum extending between the planets and stars, containing small amounts of gas and dust. Also called outer space to refer to the physical universe beyond the Earth's atmosphere.
Questions tagged [space]
200 questions
21
votes
4 answers
In a planetary system close to the galactic core, would it be possible to see the supermassive black hole?
I understand that radiation on planets near the galaxy’s center make life on these planets nearly impossible, and that one cannot truly “see” a black hole. However, if you could stand on the surface of a planet that orbits a star close to or within…
BeccaLew
20
votes
1 answer
Can I see "my own hand" in the void space?
If I were floating in a void (far away from any galaxy or cluster), would the light from these objects at such distances be enough to see for example, my hand?
JeanPaul
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4
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1 answer
Will the TESS telescope be much better than the Kepler telescope?
I would like to know please whether or not the TESS telescope will be much better than the Kepler one.
Thanks.
user22712
3
votes
2 answers
What does it mean to say 'space exists?'
From another question I posted, I learned that not only was matter created from the Big Bang, but more importantly, space itself. What does it mean for space to be created? Does it exist in the same way substances exist? In other words, what do…
Michael Lee
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Is space really empty?
So I have been thinking about this question for like five minutes. Is ‘space’ really empty? I know that technically there aren’t atoms in deep space and that would make it empty, but there has to be something to fill in those those gaps, right? So…
Prince Pugs
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3
votes
1 answer
Star map, where?
I have been looking at the website https://thenightsky.com and wanted to create a star map my self, from a specific place on a specific date. Where would I be able to find this?
3
votes
2 answers
What happened before the big bang?
Was there space before big bang? Or who knows there might be different heavenly bodies that we might not perceive?
user979
- 49
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2
votes
1 answer
What exactly does outer space contain?
Does outer space contain any gases? Recently i watched a video on youtube,in which NASA installs a camera on a spacecraft.The footage shows some dust particles or some matter floating over the space craft's surface and as well from the thrust.What…
Praveen Kadambari
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In India, what is the best time to view the geminid meteor shower in 2013
As of the time of writing this question, the meteors should have appeared, but so far I haven't seen any. What time would be the best to view them?
Sumit Singh
2
votes
1 answer
(Sound) Echo from X takes 5-7 days,
Hey I want to describe an event A happening roughtly 5-7 after event B. I'd like to describe it as the 'A happened after the sound of B echo'd off X', where X is recognisable space thingy...
(I'm talking mildly poetically, so I'm aware there is no…
Joe
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2
votes
1 answer
How long will it take to reach the closest earth like planet
Using the engines today how long will take humanity to reach earth like planets?
Rıfat Erdem Sahin
- 131
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1
vote
2 answers
Why is Space 3D?
Why is Space a THREE DIMENSIONAL ENTITY?
I know that In physics and mathematics, the dimension of a mathematical space is informally defined as the minimum number of coordinates needed to specify any point within it
I'm a student and I have tried to…
SPm
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vote
1 answer
Is it possible to use the vacuum of space to help with pollution
Would it be possible to use a pipeline from the ground and uses the vacuum of space to dispose of things that are hazardous to the environment? (Liquid waste in particular comes to mind) Essentially acting as a syphon that shoots the waste off into…
Jon Fretz
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1
vote
2 answers
Is the newly discovered exoplanet 'Teegarden b' habitable?
A new exoplanet has been just discovered around the star Teegarden, at only 12 light years away.
The Exoplanets Channel
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Is it relevant to ask the limits of space?
Yesterday I watched "The Orville" episode 4 and there was interesting moment where a kid and old man saw the space for the first time.
Kid: What is this?
Capitan: Kid, that is space.
Old man: I used to imagine how it would be. It was nothing like…
lava-lava
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