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

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Questions
1. Caltech is also known as ______________________________.
2. What did Caltech find?
3. Who is saying that it is the ninth planet in our solar system?
4. What are they calling this object?
5. Has anyone seen this object?
6. How do they know it exists?
7. How do these six objects travel?
8. “The ______ of an object’s orbit tells scientists a lot about what is near it.”
9. What is the name of the Astronomer that was interviewed for this article?
10. How big is Planet 9?
11. How long would it take Planet 9 to circle the sun?
12. How many new discoveries of planets have been made since ancient times?


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