Planets
The planet known for its rings
Saturn
When the Moon is fully lit
Full Moon
What is the name of the closest star to Earth
The Sun
A glowing streak in the sky caused by space debris burning up
Meteor
Pulsar
The largest planet in our solar system
Jupiter
When the Moon moves into Earth's shadow
Lunar Eclipse
The color of the hottest stars
Blue
A rock from space that lands on Earth
Meteorite
The point in Earth's orbit when it is closest to the Sun is called
Perihelion
The only planet that rotates on its side
Uranus
The Moon's gravity causes this on Earth
Tides
The state when a massive star explodes
Supernova
Nebula
The boundary around our solar system where the Sun's solar wind meets interstellar space
Heliopause
The planet with the longest day (slowest rotation)
Venus
Maria
Stars produce energy through this process
Nuclear Fusion
Rocky objects orbiting the Sun, mostly between Mars and Jupiter
Asteroid
The name for a "failed star" that's too small for fusion
Brown Dwarf
The region beyond Neptune filled with icy objects, where Pluto is located
Kuiper Belt
The line dividing the light and dark sides of the Moon
Terminator
The dense leftover core of a massive star after a supernova
Neutron Star
The boundary around a black hole where nothing can escape
Event horizon
The stretching effect caused by extreme gravity near a black hole
Spaghettification