12 Questions
How many pieces of space junk are estimated to be orbiting Earth today?
500,000 pieces
According to recent evidence from NASA, which planet in our solar system has intermittent running water?
Mars
What is the approximate height of the highest mountain known to man on the asteroid Vesta?
22km
Which planet's sunset appears blue?
Mars
What do comets consist of?
Sand, ice and carbon dioxide
How many Earths could fit inside the Sun?
One million
Why is it not possible to walk on Jupiter, Saturn, Uranus, or Neptune?
They have no solid surface
What is space junk?
Human-made objects orbiting Earth with no useful purpose
What is the approximate number of pieces of space junk orbiting the Earth today?
100,000 pieces
Which planet in our solar system has no solid surface?
Jupiter
What is the approximate height of the highest mountain known to man on asteroid Vesta?
25km
Which planet's sunset appears blue?
Mars
Test your knowledge about our solar system with these interesting facts about the Sun, Mars, comets, and the gas giants like Jupiter and Saturn.
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