Astronomy

2. The ___ Cloud is a spherical shaped collections of trillions of comets and dust surrounding the sun 1-3 lightyears away. Often considered the end of our solar system.
5. The ____ Giants group of planets include Jupiter, Saturn, Uranus and Neptune
6. The amount of time it takes a planet to completely orbit the sun once.
11. The largest planet in our solar system, yet it also has the shortest day (Less than 10 hours!)
13. The closest object in space to Earth
16. Once a planet but is now considered a "Dwarf Planet"
17. The ____ is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy.
18. A configuration of stars as seen from Earth imagined to form a picture
22. Stone or rocky object that enters Earths atmosphere
23. massive self-luminous celestial body of gas that shines by radiation derived from its internal energy sources. At least 1 is found at the center of almost every solar system.
24. 2nd Smallest planet in our solar system. Most of it's surface is a cold reddish dessert!
25. Furthest from the sun of the 8 planets in our solar system.
26. Earth is located in this Galaxy.
27. The time it takes for a planet to complete 1 rotation around its axis. 24 hours on Earth , but different on each planet

1. The Philosophy that the Earth is the center of the universe and everything else (sun, moon, stars, etc.) revolve around it.
3. Any object that orbits a planet (such as a moon).
4. Rocky objects that orbit the Sun like a planet, but are much smaller than planets
7. The ____ Belt is a large disc of objects beyond Neptune full of mostly icy objects like Pluto and future comets!
8. The hottest planet in our solar system! Also the only planet that spins clockwise and has days that last longer than years!
9. The _____ planets include Mercury, Venus, Earth, and Mars.
10. Attractive force between any two objects with mass.
12. 5th Largest planet in our solar system
14. The only planet in our solar system that spins on its side! It is the coldest, but not the furthest from the sun!
15. Heliocentrism is the philosophy that this object is at the center of our solar system.
18. Small body orbiting the Sun that has lots of ice the melts when closer to the sun (this leaves a gas trail)
19. The Asteroid ____ is located between Mars and Jupiter.
20. a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.
21. the branch of science which deals with celestial objects, space, and the physical universe
24. "The fastest planet" in our solar system