6 Min Quiz Image: cemagraphics / E+ / Getty Images About This Quiz. A black hole has infinite gravity — get close enough, and nothing can escape its pull.

Mars is named for the god of war, so it shouldn't surprise anyone that its moons are "Phobos" and "Deimos," the Greek words for "fear" and "dread." Earth's crust is composed of which of the following.

2 Which object lost its status as a planet in 2006? 19. Preview this quiz on Quizizz. SCIENCE By: Torrance Grey. 6 Min, 5 Minute Quiz 11 Vesta is which type of heavenly body?

Quizzes > Science > Astronomy quizzes. A naturally formed, solid mixed with organic material and minerals is known as a. Some people believe, erroneously, that because Saturn has rings, it does not have moons as well. 4 What is the third brightest astronomical object in the sky? Did the answers leap to mind? 6 Minute Quiz The onetime ninth planet, Pluto, was downgraded to dwarf-planet status in 2006, despite the protests of astronomy buffs who loved the little guy. How many people are in hospital now compared to the first lockdown? Rogue planets move through the galaxy independent of any solar system. All the mass of a truly massive star can sometimes collapse into a single point of infinite gravity known as a black hole. It sounds like it should be time, doesn't it? scores: Alt Names & Constellations 1: 7.58: Alt Names & Constellations 2 This newspaper has been a central part of community life for many years. Which is the world’s largest producer of coffee? Early on, we considered the sun and moon to be gods. One of the largest and best-known is the Mare Tranquilltatis, or "Sea of Tranquility." 6 Who discovered the four main moons of Jupiter in 1610?
"Magnitude" is actually measured backward, to our way of thinking. The stellar wind plays a prominent role in star system creation. Moons & Planets. Earth is one, though this definition might seem odd to us, as we mostly encounter the soil that is a fine layer atop earth's crust.

Most galaxies seem to revolve around a supermassive black hole. ‘Some people have maybe been a little naive... what he does is incredible’ - Lambert’s praise for Hawkins, How to watch Town’s FA Cup clash with Portsmouth for free this weekend, Hospital chief executive: Why I’m worried about people’s mental health during lockdown. Well, a little. A wormhole could allow rapid travel across vast distances or even time travel. How did it form? Sunspots appear as dark areas on the sun's surface because they're cooler, although they're still well over 7,000 degrees Fahrenheit (4,000 degrees Celsius). The line between a huge exoplanet and a nonviable star is a fuzzy one; sometimes astronomers aren't sure what they're looking at. Answer: Brazil. The sun's corona is the beautiful and somewhat irregular outer halo. 18. At the time, most people believed in the geocentric system put forth by Ptolemy. Continued expansion, leading to the heat death of the universe, is one of the leading theories on the universe's ultimate fate.
71% average accuracy. However, we also have words like "selenology" for the geology of the moon, and "pericynthion" for the point at which the moon is closest to the Earth. For crying out loud, "Milky Way" is also a candy bar frequently given out as minis at Halloween! Quiz Mixed Astronomy quiz. And how do you use a proper noun? Voyager I left our solar system and is now traveling through the interstellar medium, the space between solar systems.

The answers are at the bottom. The first two planets beyond Mars are gas giants, meaning they are made primarily of hydrogen and helium. If you said "nine," you've revealed yourself as a quiz-taker Of A Certain Age. A black hole occurs when a massive star collapses under its own weight. Which essential stores will stay open during lockdown - from B&M to Wilko, Poundland and Superdrug? It emits detectable radio energy, though its actual existence can't be confirmed with current methods. 15 How many terrestrial planets are there in the Solar system? Today, our guides to understanding the universe include astrophysicist and science educator Neil DeGrasse Tyson, who revived the popular show "Cosmos" in 2014. It might have come together to form an actual planet, but the contradictory pulls of Mars' gravity and Jupiter's didn't allow this, and so it has remained a group of orbiting asteroids, with one dwarf planet in the mix. It's named after, uh, soil. Redshift can be the result of actual movement of one object away from another or apparent movement due to the expansion of the universe.

By clicking "Sign Up" you are agreeing to our Miscellaneous Trivia Quiz Part 2 . The ancient Romans referred to this astronomical phenomenon as a "coma stellata," or "a star with long hair." HARD. The energy given off by stars comes from the fusion of atoms within the star. Jupiter's moons are all named after the great Roman god's wives and mistresses. Of course, we're talking about the moon, Earth's only natural satellite. "Lunar" is the most common term. It is where the Apollo 11 lunar lander touched down. Orion and the Big Dipper are two of the most-recognized constellations. To be fair, there is a broader definition of "event horizon" in the theory of general relativity, but we're not going to worry about that here. Betelgeuse is the left shoulder of Orion the Hunter (well, left as you're looking at it; it would be his right if he were an actual person). Test your smarts on astrophysics with this quiz. The main sequence shows the changes that stars of a given mass undergo throughout their lives.

What it actually is and whether it really exists is a matter of great debate and experimentation. Playing quizzes is free! Descriptions of Astronomers. Our award-winning website offers reliable, easy-to-understand explanations about how the world works. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Outside of photography, it's best seen during a total solar eclipse. The reddish color of its soil is due to a high iron oxide content. And how do you use a proper noun? Lucky for you, HowStuffWorks Play is here to help. 20. For our purposes, when you're approaching a black hole, the event horizon is the point at which suddenly no one's posting on your Facebook wall anymore. Avg. It goes: Earth, the Solar System, the Milky Way, the Local Group, the Virgo Supercluster to the Observable Universe. Playing quizzes is free! Solar eclipses are amazing to watch because of a remarkable coincidence: The moon is 400 times smaller than the sun, but 400 times closer to Earth as well, resulting in a perfect "cap.". Sometimes we explain how stuff works, other times, we ask you, but we’re always exploring in the name of fun! But a light-year is the distance that a particle of light can travel in one year. Meteors tend to burn up in the Earth's atmosphere. Click the link in the orange box above for details. Infection rates drop across almost all of Essex - but Suffolk remains a mixed bag. Because learning is fun, so stick with us!


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