What is 27.3 days?
What is Milky Way?
Who is Neil Armstrong?
What is waning?
What is full?
What is a nebula?
What is revolve?
What is absolute magnitude?
Who is Galileo?
What is a meteorite?
What is a spectroscope?
What are asteroids?
What is ellipse/oval?
What is nuclear fusion?
What is Apollo?
What is a quarter?
What is gravity?
What is NASA?
What is rotation?
What is the International Space Station?
What is a crater?
What is the Big Bang Theory?
What is the corona?
What is a lunar eclipse?
What is the space shuttle?
The force that pulls Earth into orbit around the Sun
The actual brightness of a star
The phases when we see the whole lighted side of the Moon
An Italian astronomer who discovered Jupiter's four largest moons
The shape of Earth's orbit?
The galaxy to which our solar system belongs
The United States federal agency in charge of spaceflight
The combining of nuclei that gives the Sun its energy
Most of these rocky bodies are located in a belt between Mars and Jupiter
Earth does this almost exactly once around the Sun each year
The U.S. space program that landed astronauts on the moon
The spinning of Earth around its axis
The space station that has been built by many nations
The phase in which half the lighted side of the moon is visible
The reusable spacecraft that have been launched into Earth's orbit since 1981
A tool used to separate starlight into its colors
The theory that says the universe began from a small area in space and has been expanding ever since
The decreasing of the visible amount of the Moon's lighted surface after full moon
It occurs when the Moon passes through Earth's shadow during a full moon
A cloud of gas an ddust in which a star forms
The top layer of the Sun's atmosphere
How long it takes the Moon to revolve around Earth
The part of a meteor that doesn't burn up in the atmosphere and strikes Earth's surface
The first astronaut on the moon
A round pit formed by the impact of an object
