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