planets
- Are the planets perfectly round?
+ No. All planets spin and this makes them flattened at their poles.
- Which planet has the shortest day?
+ Jupiter. Its day less 10 hours.
-Is pluto the farthest planetfrom the sun?
+ Usually but not always.
- Are there planets going around other stars?
+ yes astronomers have discovered more than 200 planets in orbit around stars other than the sun.
- How long would it take radio signals to reach Earth from pluto?
+ About 5/5 hours. Radio signals tavel at the speed of light 186282 miles per second.
- which planets have the most moon?
+ Jupiter and Saturn with at least 60 each.
- Which moon is closet to its parent planet.
+ Phobos. It circles Mars at a distance of just 5761 miles.
- What is the diameter of Mercury?
+ Miles upon millions of icy rocks, ranging in size from less than an inch to several feet in diameter.
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