Fun to Know! A Collection of Space Trivia [Rec]
A sky full of twinkling stars… Space really is romantic, isn’t it?
When you think, “It stretches on forever, there are countless planets, and I’m living in that vast universe,” doesn’t it oddly make you feel excited?
What kind of world lies beyond this sky, I wonder?
In this article, I’ve put together intriguing mysteries and fun trivia about space!
It’s great for killing time, and also recommended as quiz material for school activity periods!
Enjoy yourself while picking up some knowledge about the cosmos!
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Fun to Know! A Collection of Space Trivia [Rec] (1–10)
The mystery of black holes
A black hole is often imagined as something “black that swallows everything.” But some people may find it hard to explain what it actually is.
In fact, a black hole is an astronomical object with extraordinarily strong gravity, not some special entity apart from other celestial bodies.
For example, the Sun produces immense thermal energy, and black holes, too, actually produce energy in the form of what’s called blackbody radiation! Research is even being conducted on how to harness this energy for human life, and it’s exciting to imagine how it might be put to practical use in the future.
Distance between planets
The Moon is about 380,000 km away from Earth, but did you know that the distance between Earth and the Moon can actually fit all the planets like Mercury and Venus in between? In simpler terms, you could line up the familiar planets—Mercury, Venus, Earth, Mars, Jupiter, and so on—right in the space between Earth and the Moon.
This is likely because the sizes of the planets vary greatly, and when you include the smaller ones, their total diameter isn’t as large as you might expect.
It’s a bit mind-bending when you try to picture this trivia, isn’t it?
How was the Moon formed?
The Moon is very familiar to us humans.
While the birth of the universe is often discussed, we surprisingly don’t have many chances to think about the birth of our nearby Moon.
There are various theories about the Moon’s origin, but the leading one today is the Giant Impact Hypothesis proposed in 1970.
It suggests that the Moon formed when the early Earth collided with a Mars-sized body.
Put simply, the Moon is the debris left over from a collision between two celestial bodies.
Other theories are interesting, too, so if you’re curious, give them a look!
Facilities of the ISS
Are you all familiar with the International Space Station, commonly known as the ISS? It’s a crewed artificial satellite orbiting the Earth, and it’s a facility where experiments that can only be done in space are conducted and research on the natural environment is carried out.
In recent years, it made headlines when a private spacecraft successfully docked with it.
Now, since the ISS is a place where people stay, it needs to be well equipped.
For example, just learning about how things like sleeping quarters, a galley, and toilets are set up is enough to make you keep saying, “Wow!”
Diamond planet
It has been determined through subsequent investigations that 55 Cancri e, discovered in 2004, is a planet containing a large amount of diamond.
While this hasn’t been confirmed with the naked eye, applying formulas and experimental results from specialized institutions suggests that diamond strata have formed within the planet.
The idea of an entire star—well, a whole world—made of diamond is truly dreamy.
And since there are countless stars in the universe, it’s believed that there are many other planets composed of diamond, just like 55 Cancri e.