Astronomer
Cartoon of Dr. Marc Rayman looking through a telescope

Dr. Marc Rayman is an astronomer who answers questions for The Space Place. Image Credit: NASA

      someone who studies the planets, stars and space




Sentences:
NASA astronomers discover new things in the universe.

Astronomers think the solar system is more than 4 billion years old.



More Information:
http://spaceplace.nasa.gov/en/kids/phonedrmarc/index.shtml   →
http://coolcosmos.ipac.caltech.edu/cosmic_classroom/ask_astronomer/video/index.html   →
http://starchild.gsfc.nasa.gov/docs/StarChild/StarChild.html   →