Download claims the fastest winds in our solar system. Who killed Pluto? T or F

Name:_____________________
The Outer Planets
Date:_________________
1. _____________________ claims the fastest winds in our solar system.
2. Who killed Pluto? _______________________
3. T or F. Pluto’s moon, Charon, is very small compared to Pluto.
4. At the turn of the century, astronomers believe there was a ninth planet because
the orbits of Neptune and Uranus were ______________________?
5. Pluto was originally thought to be the size of ______________.
6. How much would a 150 lb person weigh on Pluto? __________.
7. How many pixels is Pluto with the use of the Hubble Telescope? _____________.
8. Pluto’s temp is cold… ________________°F
9. T or F. Pluto is a bit of a time machine. The surface is considered the most
‘ancient’ of the planets.
10. When near to the sun, Pluto develops a temporary _______________ that
dissipates as it travels away from the sun.
11. What planet did Mike Brown discover? _______________
12. How many years was Pluto a ‘planet’? ___________
13. The ______________ belt is a 3.5 billion mile wide region in the outer solar
system.
14. Pluto and Eris have been defined as __________ planets.
15. T or F. Dwarf planets are unable to clear their orbital path because they are not
massive enough to attract the debris within their orbit.
16. The _____ ________________ will be the first spacecraft to visit Pluto.
17. This spacecraft is fast. In fact, it travels at _________ miles/second. Even at this
rate it will not reach Pluto until 2015.
18. Uranus is spinning on its _________________________.
19. What color light does Uranus absorb? _______________ & ________________
20. T or F. Uranus has an internal heating source, like the other gas giants.
21. Uranus was the first planet observed by __________________________.
22. T or F. The moons of Uranus are very uniform and are not likely to collide.
23. If you weighed 150 lbs on earth you would weigh ______________ lbs on
Neptune.
24. Neptune has winds of over _________________ mph.
25. Neptune is 30 times further from the Sun than the Earth is. As a result it receives a
fraction of its energy from the Sun. What is the fraction? ________________.
26. Neptune has a huge storm that resembles the Great Red Spot of ______________.
27. Neptune’s largest moon is ____________________.
28. As New Horizons rockets closer to Pluto, it carries with it the ashes of
_______________ _____________________, the man who discovered Pluto.