6ESS3 Outer Planets

Match it! Select the correct answer from the pull down...Good luck!

Life cycles of the universe happen in.....

What year did Pluto lose its planetary status and become a dwarf planet?

Pluto crosses over into Nepune's orbit every..... YEARS

What are some of the limiting factors for humans living in space?

What planet did two different scientists discover two days apart?

What is the center of all massive galaxies?

The Greek word for cloud is....

What is the only spacecraft to reach Uranus and Neptune?