Finding Planet 9 by Time for Kids

Time For Kids
Edition 3-4
February 5, 2016
Vol. 6, No. 16
U-$0.33-B-0.006065-BE-55


Finding Planet 9 by Time for Kids

Go to Directory of Books
Go to Questions

Answer Key
1. California Institute of Technology
2. Caltech found signs of a large object in space.
3. Scientists at Caltech are saying it is the ninth planet in our solar system.
4. Scientists at Caltech are calling this object Planet 9.
5. No one has seen this object.
6. The scientists believe it exist by studying six objects near it.
7. These six objects travel around the sun in a similar path.
8. “The shape of an object’s orbit tells scientists a lot about what is near it.”
9. Mike Brown is the name of the Astronomer that was interviewed for the Time for Kids article.
10. Scientists think Planet 9 is 10 times the mass of Earth.
11. It will take Planet 9 20,000 years to circle the Earth.
12. There have only been 3 new discoveries of planets since ancient times.

Reference
Caltech Planet 9
https://www.caltech.edu/news/caltech-researchers-find-evidence-real-ninth-planet-49523