Planets

·        How many planets are there in our solar system? _______

What is the correct order of planets, starting from the sun?
_________________________________________________

http://www.seds.org/nineplanets/nineplanets/nineplanets.html

·        What are three major types of surface features on Mercury?
http://csep10.phys.utk.edu/astr161/lect/mercury/surface.html

·        Venus is the ______ planet from the sun, and the    _________ largest.
http://www.seds.org/nineplanets/nineplanets/venus.html

·        What is Earth’s core composed mainly of?
http://www.seds.org/nineplanets/nineplanets/earth.html

·        Name the minimum and maximum surface temperature of Mars. 
min-_____      max-_____
http://pds.jpl.nasa.gov/planets/welcome/mars.htm

·        Jupiter is about ______% hydrogen, and ______% helium.
http://www.seds.org/nineplanets/nineplanets/jupiter.html

·        Who discovered the rings of Saturn?  ___________________
When?  _________
http://ringmaster.arc.nasa.gov/saturn/saturn.html

·        Uranus is the most distant object yet visited by a __________.
http://vraptor.jpl.nasa.gov/voyager/vgrur_fs.html

Answers

·        What is the name of Neptune’s largest moon?  ___________
http://pds.jpl.nasa.gov/planets/welcome/neptune.htm

·        When was the planet Pluto discovered?  ________________
http://dosxx.colorado.edu/plutohome.html