Name: 40個關於太空的不可思議的事實，很容易記住。 (40 Incredible Facts About Space That Are Easy to Remember)
Uploaded: 2021-01-14T09:54:01.000Z
Duration: 10 min 6 s
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black holes, making sounds distant Galaxies sending radio signals, my Tommy rumbling with hunger, thes air, just some of the curious sounds and stuff scientists have discovered in outer space.

Well, maybe not my tummy, but there are many other mind boggling fax to learn.

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Starting with, Saturn's rings are very thin compared to its size.

If you had a scale model of the planet that was three feet wide, the rings would be 10,000 times thinner than a razor blade.

Mercury is a few 1,000,000,000 years old.

In 2016 scientists discovered some abnormalities on the planet's surface, showing that it's getting smaller.

After more research, they found out that mercury hasn't finished cooling down yet.

Even though Venus is the hottest planet in our solar system, it still has snow.

Its nose medals and rains acid, not a great vacation spot.

A day on Uranus last 17 hours, 14 minutes and 24 seconds.

The planet has a tilt of around 98 degrees, and that makes a season on the gas giant.

Last 21 Earth years, Mars as two moons, Phobos and Deimos in the next 30 to 50 million years.

Mars gravitational forces will tear Phobos apart, and it will likely result in the formation of a ring around the planet.

I won't be around a light year is the unit of distance covered by light.

In a single year, Light moves a little more than 186,000 miles per second, so one light year is almost six trillion miles.

Which reminds me our Milky Way is 105,700 light years wide.

Trust me, there's a whole lot of water floating in space.

Astronomers discovered a huge vapor cloud that's 140 trillion times the mass of the Earth's ocean water.

It's 12 billion light years away, so we won't drown in that stuff anytime soon.

Saturn's rings were discovered all at once.

It happened gradually, and they were named alphabetically based on the time scientists found them.

They go like this D C B a F g e, which, of course, spells Dick Bosque.

There's a giant red spot on Jupiter that's bigger than Earth.

Astronomers confirm that it's a perpetual storm that has been going on for centuries.

Color me weightless astronauts on Lee, where orange space it's during launch landing or when they're in the spaceship for survival and rescue purposes.

They're white Suits are equipped differently to help them survive in outer space.

Closest neighbor to our Milky Way is the Andromeda Galaxy.

It's 2.5 million light years away, and you can see it on a clear night with an unaided eye.

And by the way, in a little more than four billion years, our galaxy will collide with the Andromeda Galaxy.

According to some predictions, the Galaxy's won't survive, but our solar system will place your bets.

It takes 243 Earth days for Venus to complete a rotation around its axis, but it takes 225 birthdays for the planet toe orbit.

That means a day on Venus is longer than a year now.

We always see the same side of the moon, no matter where we are on Earth.

That's because the moon rotates around the Earth at the same speed it rotates around its own axis.

NASA lost a Mars orbiter because half of the engineers were doing the metric system and the other half were doing their calculations using the imperial system.

What telescopes piece together were the effects of a black hole on its surrounding area.

For example, when a star is close to it, we can see it being ripped apart.

When astronauts go into space, they can grow 3% taller.

The lack of gravity causes their spines to expand, but that doesn't last long.

When they get back to Earth and adjust to the gravity, they shrank back.

NASA has an official office of planetary protection, just in case life is discovered on other planets.

There's a supermassive black hole, 250 million light years away that hums the deepest sound ever detected from any object in the universe.

That's one quadrillion times deeper than what we can here.

The International Space Station is the largest single human made structure to have entered space.

It weighs £925,000 it's the size of a kn American football field.

Now a space suit costs about 12 million bucks.

It protects astronauts from the sun space does that travels faster than the speed of sound and extreme weather conditions.

Their helmets even have Velcro patches to help them when they edge.

The moon is 400 times smaller than the sun, and the earth is 400 times further from the moon than the sun.

That's why they appear to be the same size during an eclipse.

There's a star 50 light years away from Earth, 90% of whose mass crystallizes and the interior is made of carbon.

That means it's the biggest diamond ever found.

You know, Lucy in the sky with Never mind.

Small space rocks enter the earth's atmosphere all the time we call them, Media writes.

A total of 61,000 such stones were found on Earth, and 224 of them came from Mars.

In 2011 scientists discovered a small Martian rock that's a few 1,000,000,000 years old.

There are 181 moons in our solar system orbiting planets, Yet two of those planets don't have any.

That's Venus and Mercury, the only to dwarf planets that don't have natural satellites are Siri's and Maki Maki.

Unearth Sound travels to our ears through vibrating air molecules.

But in space, the empty areas between stars and planets are well, molecule, less so the sound can travel, and we can hear anything out there.

Hey, next time you're in space outside the ship, take your helmet off and listen.

At 4.6 billion years old, the sun is considered a middle aged star.

It's halfway through its life, and it's known as a yellow door.

When it becomes a senior and burns up all its fuel, it will swell into a red giant and swallow Mercury, Venus and probably, But after that, it will shrink down and become a white dwarf.

There's something in mathematics that's opposite of what a black hole represents.

Nothing can enter it from the outside, and only light and matter can get out of it.

We've mapped 100% of the moon's surface and 99% of the surface of Mars, but we've barely studied 5% of the Earth's oceanic floor.

It takes 1.3 seconds for the moonlight to reach the earth, and it travels a distance of 239,000 miles.

There are five retro reflectors on the moon surface that mirror the light back to the source, so if you shoot at the moon with powerful lasers, the light will come back in 1.3 seconds.

There are 88 recognized star constellations in the Earth's night sky, and we can get a glimpse from the Northern and Southern Hemisphere decades ago.

Astronomers believe that mercury didn't rotate around its axis, and the same side of the planet always faces the sun.

It wasn't until 1965 when they discovered that it does actually rotate, but at a snail's pace.

Our moon is moving around one inch away from Earth every year.

That causes the Earth's rotation to slow down.

Most productive scientific instrument ever created is the Hubble Space Telescope.

It's been in operation for more than 25 years, and astronomers published more than 15,000 scientific papers using it.

Distance between the Sun and the Earth identifies as an astronomical unit.

It's exactly 95 million miles or one a u.

A telescope picked up radio waves from a dwarf galaxy that's three billion light years away from us.

When the signal started their journey, Earth was just beginning to form its continents.

The International space Station circles our planet every 92 minutes.

It orbits the Earth at 17,500 miles per hour.

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40個關於太空的不可思議的事實，很容易記住。 (40 Incredible Facts About Space That Are Easy to Remember)

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