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Think you know the universe like the back of your hand? Well, it’s time to prove it with this space quiz that only real experts can ace! We’ve got mind-blowing questions that will test just how well you know the stars, planets, and everything in between. It’s not for the faint-hearted—this quiz separates the stargazers from the true space buffs. Ready to show off your cosmic knowledge? Hit play and let’s see if you can name all the right answers!

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Transcript
00:00Alrighty then, are you ready to test your knowledge of the universe?
00:03We've got 40 questions for you.
00:05Let's see how long you can last.
00:08Now, let's get going with the easy level.
00:11Can you guess the celestial body from this photo?
00:21With those famous rings, of course it's Saturn.
00:25What force keeps us grounded on Earth?
00:28Magnetism, gravity, or friction?
00:37It's gravity, the same force that put an apple on Newton's smart head.
00:41The Moon is an asteroid, a satellite, or a planet.
00:53The Moon is a natural satellite of Earth.
00:56Which star is closest to our planet?
00:59The North Star, Alpha Centauri, or the Sun?
01:08Well, it would be weird if it wasn't the Sun.
01:12Pluto is a dwarf planet.
01:14Is this true or false?
01:15The answer is true.
01:25Poor Pluto got kicked out of the main planet sequence,
01:28but joined its own family of dwarf planets in our solar system.
01:33What is the largest planet in our solar system?
01:36Jupiter, Pluto, or Earth?
01:37It's Jupiter, the gas giant.
01:48What planet is known as the Red Planet?
01:51Venus, Mars, or Jupiter?
01:52Jupiter, Earth, or Jupiter?
02:00It's Mars.
02:01NASA's Curiosity rover showed us all its awesome red-orange desserts.
02:07Wait a minute.
02:07I mean, deserts.
02:09My bad.
02:11The Sun is a planet, a comet, or a star.
02:15The Sun is a star, which was kind of spoiled in question 4.
02:27What event marks the beginning of the universe according to science?
02:31The Great Fission, the Big Bang, or the Huge Boom?
02:39The answer is the Big Bang, hence the name Big Bang Theory.
02:43Uh-huh.
02:45Black holes exist. True or false?
02:56The answer is true. We weren't sure before, but now we have even two photos of them.
03:03How many did you get? Write in the comments.
03:06Now let's move to the medium level.
03:10Guess the name of this scientist.
03:11What can we call a group of stars forming a recognizable pattern?
03:29A galaxy, constellation, or nebula?
03:36It's a constellation.
03:38Although, to be fair, galaxies and nebulas are also full of stars in different patterns.
03:43What is this phenomenon called?
03:46A lightning bolt, a shooting star, or an aurora borealis?
03:50This is a shooting star.
03:58Hey, make a wish.
04:00What is the smallest planet in our solar system?
04:03Venus, Mercury, or Mars?
04:05The answer is Mercury.
04:15Remember that Pluto is a dwarf planet.
04:17How many planets are in our solar system?
04:21Give yourself some time to count.
04:22We have eight major planets.
04:33Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
04:38Who is the first person to walk on the moon?
04:42Jeff Bezos, Neil Armstrong, or Elon Musk?
04:45Neil Armstrong, he's the only astronaut on the list.
04:56What is the name of our galaxy?
04:59The Milky Way, the Andromeda Galaxy, or the Steel Way?
05:08The Milky Way, like the chocolate bar.
05:10And the Andromeda Galaxy is our nearest neighbor.
05:13Man has already walked on Mars.
05:16Is this true or false?
05:26The answer is false.
05:28Only robots have been on Mars.
05:30But NASA believes that the first human Mars mission
05:33will take place in the 2030s.
05:36Saturn is a gas planet, Earth-like planet, or dwarf planet.
05:43Saturn is a gas giant, just like Jupiter.
05:52They're the biggest planets in our solar system.
05:55The Earth rotates on its own axis.
05:57True or false?
05:58The Earth rotates while it revolves around the sun,
06:11which is why we have days and nights.
06:14Well, that level was a bit tougher.
06:16Are you keeping up so far?
06:18Well, prepare for the hard level.
06:20What is this object called?
06:33This is actually a telescope.
06:35Specifically, the James Webb Telescope.
06:37It's based in space instead of on Earth.
06:39Which of these planets has the most moons?
06:44Saturn, the Earth, or Mars?
06:53While we have only one moon and Mars has two,
06:56Saturn has 146 moons.
06:59All because of its huge size and crazy gravity.
07:02Which planet is the farthest from the sun?
07:06Uranus, Neptune, or Jupiter?
07:15It's Neptune.
07:16We mentioned it when counting the number of planets.
07:19It was also in order.
07:21How long does it take for light from the sun to reach Earth?
07:258 minutes?
07:2624 hours?
07:27Or a second?
07:28Now, remember that light also travels at a certain speed.
07:33It's 8 minutes, 20 seconds.
07:35The speed of light is 186,000 miles per second.
07:39What is the hottest color for a star?
07:42Yellow, orange, or blue-white?
07:52The answer is, surprisingly, blue or blue-white.
07:55A bit counterintuitive, right?
07:58What is the true color of the sun?
08:01White, yellow, or red?
08:10The answer is white.
08:12This makes sense because we know that white light,
08:14which comes from the sun,
08:15breaks down in all the colors.
08:17So we only see the sun as yellow
08:19because the atmosphere filters some of them.
08:21Earth has the most volcanoes in our solar system.
08:26True or false?
08:35It's false.
08:36Venus is the one with most of the volcanoes.
08:39It's actually the most toxic and crazy planet in our solar system.
08:42What is the name of the galaxy closest to the Milky Way?
08:47If you watch the video carefully, you'll get this one.
08:56It's the Andromeda galaxy.
08:58But while it's our closest neighbor,
09:00it's still 2.5 million light-years away.
09:03What is the coldest planet in our solar system?
09:07Uranus, Neptune, or Pluto?
09:16It's Uranus.
09:17Pluto's not a planet.
09:19And you think that it should be Neptune,
09:21since it's farther away from the sun,
09:23and average temperatures on Neptune are colder,
09:25minus 330 degrees Fahrenheit.
09:27But the lowest number,
09:29about minus 371 degrees Fahrenheit,
09:32was recorded on Uranus.
09:34So this place can also be considered the coldest planet.
09:39Now, which planet has the most moons?
09:51Well, we mentioned this one before.
09:53It's Saturn with an insane number of moons.
09:55Ooh, pat yourself on the shoulder for that one.
09:59Finally, let's tackle the impossible level.
10:03Good luck!
10:04What's the maximum speed of light in a vacuum?
10:07A million miles per second?
10:09A hundred eighty-six thousand miles per second?
10:11Or forty-two miles per second?
10:13If you don't know, try to guess this one.
10:16It's a hundred eighty-six thousand miles per second.
10:19And the distance that light covers in one year of traveling
10:22is called one light year.
10:25Now, on which planet can you jump the highest?
10:28The Earth, Venus, or Mercury?
10:37On Mercury!
10:38It's the smallest and lightest planet in our solar system,
10:41so the gravity there is very weak.
10:44What is the main component of the sun?
10:47Oxygen, hydrogen, or nitrogen?
10:49The answer is hydrogen.
10:59It's what makes up most stars.
11:00And it's the most common element in the entire universe.
11:04What is the approximate age of the universe?
11:07Three billion years,
11:0813.8 billion years,
11:10or a hundred billion years?
11:12Well, it's 13.8 billion years.
11:20Meanwhile, our sun is about 4.6 billion years old.
11:23Hey, I wasn't around then.
11:26Guess the name of this guy.
11:27This is a portrait of Isaac Newton.
11:41What is the hottest planet in our solar system?
11:44Venus, Mercury, or Earth?
11:45Well, you might think it's Mercury
11:54because it's closest to the sun,
11:56but it's actually Venus.
11:58Like we said,
11:59it's the most toxic and volcanic planet
12:01we have around here.
12:03What type of star is the sun classified as?
12:06A red giant,
12:07a white dwarf,
12:08or yellow dwarf?
12:09Even though the sun's light is white,
12:18the sun is a yellow dwarf,
12:20one of the colder star types.
12:22There's a black hole
12:23in the center of most big galaxies.
12:26True or false?
12:35That's actually true.
12:36While they don't suck in the entire galaxy,
12:38supermassive black holes
12:40usually hang out in the centers.
12:43What phenomenon causes the northern lights?
12:46Earth's magnetic field,
12:48cosmic rays,
12:48or black holes?
12:55It's the Earth's magnetic field.
12:58When sun particles reach the Earth
12:59and interact with the atmosphere,
13:01they release bright energy,
13:03which causes beautiful colors in the sky.
13:06Time for some math.
13:07If the speed of light
13:09is 186,000 miles per second
13:11and it reaches the Earth
13:12in 8 minutes,
13:13what is the distance
13:14between Earth and the sun?
13:17Bonus points for calculating
13:19this in your mind.
13:24It's about 93 million miles.
13:27Now,
13:28did you crack the impossible level?
13:30Alright,
13:31let's see if you're smart enough
13:32to answer the final bonus question.
13:35If you were standing on the Moon
13:37and the Earth was directly overhead
13:39in the lunar sky,
13:40how often would you see
13:41the Earth rise or set?
13:43Think about it.
13:49The answer is
13:50never.
13:52The Moon is tidally locked to Earth,
13:54which means that we can always see
13:56its one side,
13:57while the other side
13:58is always hiding away from us.
14:00Ooh,
14:00maybe it's shy.
14:01So,
14:02the Earth would stay nearly fixed
14:03in the lunar sky
14:04at all times.
14:07So,
14:08how many questions did you get?
14:09Write it down
14:10in the comments below.
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