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What else can I help you with?
What do all planets have?
All planets have a core.
Do all planets have an orbit?
Yes all planets have a orbit
Why does all the planets have craters?
Meteorites crashed into all of the planets.
Do all of the eight planets have craters?
No not all the planets have craters on.
What is the period of rotation and revolution of all planets from the sun?
You can look up information on the individual planets on Wikipedia. I am not sure the information is readily available as a ready-made list, so you may have to compile it yourself. The revolution around the Sun is listed as "orbital period".
Do all the planets have smaller planets orbiting them?
No. Planets orbit suns, while moons orbit planets. Planets do not orbit planets.
Which planets rotate on an axis?
All of the planets in the Universe rotate on an axis. They all do.
What are astronomical planets?
all planets in the universe
Is all the planets stars?
No, planets are not stars. Stars are huge balls of burning gas, planets are not. At certain times, there are 5 planets that are visible with the naked eye in the night sky. Some of these are similar to stars but much closer. They are Mercury, Venus, Mars, Jupiter and Saturn. See the related link for more information.
Are all outer planets gas?
yes but all inner planets are rock
How did Galileo map all the planets?
he used his telescope to map all of the planets.
Among all the planets which planets have moons?
All except the inner two.
