Well done to Laaibah and Abdul for last week's winning answers (their earliest memories):

Painting pictures in nursery at David Lloyd;
Asking my mum and dad why the night comes.

Send your answers into the website by clicking on the comment button below or put your answer in the Curiosity Question box in KS2. We've already had some brilliantly thought out answers - make sure you put it down on paper and put it in the box before Tuesday!

We watched this amazing video captured on-board the International Space Station to inspire our curiosity. Send in any more questions to add to the ones below or if you can answer any of our questions, please do!

How large is the Earth?
Why is the Earth a sphere?
What is the light around the Earth that you can see during the video?
How did they get the International Space Station there?
What are the flashing lights on the Earth?
Why do the stars spin in the opposite direction to the Earth spinning?
Who was the person on-board the space station?