Space

Which is bigger?Earth or Mercury
Earth
Mercury
Can planets change over time?
Yes
No
Are roverbots solar-powerd?
Yes
No
Does Uranus have rings?
Yes
No
Does Earth have rings?
Yes
No
How hot is the outerlayer of the Sun?
5,500*c
2,200*c
How big is Mercury in width?
4,880 km
21,756
What are astoroids?
Rocks
Stars
Does Jupiter have a core?
Yes
No
Is it possible to breathe on Mars
Yes
No
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