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(AST) Universe

QuestionAnswer
What are the 8 planets in order? Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Are the 4 inner planets terrestrial? yes
Are the 4 outer planets gas giants and Jovian? yes
What are the 5 dwarf planets? Ceres, Pluto, Haumea, Makemake, Eris
What is the organization of the universe in order? solar system (stars, Kuiper Belt, nebula, galaxies, Milky Way, Local Group), superclusters, and the observable universe
Is the Sloan Great Wall one of the largest known superclusters? yes
What superclusters is home of the Milky Way? Laniakea
When was the universe born? nearly 14,000 years ago
What are galaxies? collections of planets, stars, gas, dust, satellites
What are the 3 galaxy categories? elliptical, spiral, and irregular
What do elliptical galaxies look like? round, oval shape with smooth edges. They contain older stars.
What do spiral galaxies look like? spiraled, central swirl. They contain young and old stars.
What do irregular galaxies look like> chaotic, no shape or structure. They interact with other galaxies.
Does the Hubble Tuning Fork diagram help classify galaxies? yes
What type of galaxy is the Milky Way? spiral
How far does the Milky Way stretch? 100,000 light years
Do average-sized galaxies contain about 100 million stars? yes
Do super-giant galaxies contain over 100 trillion stars? yes
How did gravity shape the universe? pulled matter, forming stars, planets, galaxies, and more. birthed celestial objects by gravity and mass attraction maintains a planet's orbit around stars, and moons in orbit around planets
How far away is the Andromeda Galaxy? 2.5 million light years
How big is the Local Group, and where is it found? 10 million light years, Laniakea
How big is the Laniakea supercluster? 520 million light years
Does a solar system contain planets, moons, asteroids, and comets; revolving around the Sun (central star)? yes
Are galaxies formed by stars and contain solar systems, are they also bigger than a solar system? yes
Created by: Beia Aria
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