This interactive crossword puzzle requires JavaScript and a reasonably recent web browser, such as Internet Explorer 5.5
or later, Netscape 7, Mozilla, Firefox, or Safari. If you have disabled web page scripting, please re-enable it and refresh
the page. If this web page is saved to your computer, you may need to click the yellow Information Bar at the top of
the page to allow the puzzle to load.
Welcome!
Click a word in the puzzle to get started.
Congratulations!
You have completed the crossword puzzle.
Across
A person trained to travel into outer space
A group of stars that form a pattern when viewed from Earth
Furthest planet from the Sun
Planet we live on
Largest planet in the Solar System
It has rings
Giant spheres of superhot gas
The hottest planet
Our galaxy
The path an object takes around a star or planet
Gases that surround a planet
There are eight of these in the Solar System
A chunk of rock and metal that orbits around the Sun
Down
The study of outer space
____ planet, Pluto is now considered one of these
It is everything
It includes the Sun and all the planets and other objects that orbit the Sun
A dark area on the surface of the Sun
Planet closest to the Sun
It helps you see really far
Neil ____, first man to walk on the Moon
A ____ eclipse occurs when the Moon passes through the Earth's shadow
It is made up of ice, dust, and rock and orbits the Sun
or 
