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Spaced out – a quick quiz

By , 18 November 2020

Here are five space science questions to challenge you. Is your mind a great expanse, or are you a bit spaced out?

#1. What was the name of the first artificial satellite to orbit Earth?

Sputnik 1 was launched by the Soviet Union in 1957.

#2. What is the name of the galaxy that our Solar System is a part of?

We live in a spiral galaxy called the Milky Way. The spiral shape is hard for us to observe, because we’re inside it!

#3. Which is bigger – Pluto or the Moon?

The Moon is bigger. It’s about 3500 kilometres across, while Pluto is only 2400 kilometres wide.

#4. Which element is named after the Moon?

Selenium is named after Selene, the Ancient Greek goddess of the Moon.

#5. How many planets are closer to the Sun than Earth is?

Mercury and Venus are both closer to the Sun than Earth is.

Was I right?


Congratulations! You are a real science whiz!

Oh dear! Better brush up before the next quiz!



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