25 Space Facts You’ve Always Wanted To Know

The concept of Space and Space exploration can lead to many questions. Why isn’t Pluto a planet? Can you hear anything in Space? How many space stations are there? What happens when an astronaut farts in Space? Want the answers to these questions and so much more? Here are 25 Space Facts You’ve Always Wanted To Know.

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25

How old is the Sun?

sunsetSource: http://www.angrylearnerr.com Image Source: pixabay (public domain)

About 4.6 Billion years. Billion, with a B. A Billion is a thousand millions.

24

Do astronauts really wear diapers?

Apollo_11_space_suitSource: http://www.chabotspace.org Image Source: wikimedia commons (public domain)

Yep. During liftoff, returning to Earth, and anything they do outside of their spaceship or space station. They aren’t called “diapers” though, they’re called Maximum Absorbency Garment, or MAG.

23

Is it true that in Space, no one can hear you scream?

Sound_waveSource: http://curious.astro.cornell.edu

Well…yeah. What we hear is sound waves, which are actually vibrations in the air. There’s no air in space, so there’s nothing to vibrate. Radio and light waves travel through space, but they don’t need air to travel like sound waves do.

22

When will Halley's comet pass again?

halleys cometSource: http://www.todayifoundout.com

Halley’s Comet will be visible from Earth again in 2061. Interestingly, Mark Twain was born under Halley’s Comet; then he died the next time it came around. Twain was quoted as saying, “Now here are these two unaccountable freaks; they came in together, they must go out together.”

21

Why is Space black?

moon-and-earth-in-spaceSource: http://www.livescience.com Image Source: goodfreephotos.com (public domain)

Because most of the universe is empty of anything, including light. And it may be that there IS light in the black spot you’re looking at, we just can’t pick it up with the human eye, or the light-waves are still hundreds of light years away.



Photos: Feature Image: Pixabay (public domain), 23. Luis Lima89989, Sound wave, CC BY-SA 3.0, 22. NASA Blueshift via flickr, CC BY 2.0, 20. ESO/M. Kornmesser, Eso1509a – Mars planet, CC BY 4.0, 14. Orin Zebest via flickr, CC BY-SA 2.0, 13. No machine-readable author provided. Towsonu2003~commonswiki assumed (based on copyright claims)., Fart, CC BY-SA 3.0, 12. ESA/Hubble, Ngc6397 hst blue straggler, CC BY 4.0, 9. Miguel Soares, S4-space-junk-045, CC BY-SA 4.0, 5. Hubble ESA via flickr, CC BY 2.0, 4. Max Pixel (public domain), 2. NASA, ESA, and A. Schaller (for STScI), 2006-16-a-full-1-, CC BY 4.0

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