Copyright © Didi Bok 2020 Copyright illustrations © Hein Mevissen / John Doe BV 2020 All rights reserved
NUR 273 / ISBN 978 90 258 6839 0
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Olli isn't sure what he wants to be but he knows he can be whoever he wants to be. Can you guess who Olli wants to be?
Do you know the answers?
Are there more grains of sand than stars?
The population of stars are enormously, it is estimated to 70 thousand million, million, million stars in the observable universe. So we've got multiple stars for every grain of sand — which means, sorry, grains, you are nowhere near as numerous as the stars.
Where does all the sand come from?
Nearly all sand in deserts came from somewhere else – sometimes hundreds of kilometers away. This sand was washed in by rivers or streams in distant or blown by the wind in dry times.
Why is the night sky black?
At night, when that part of Earth is facing away from the Sun, space looks blackbecause there is no nearby bright source of light, like the Sun, to be scattered. If you were on the Moon, which has no atmosphere, the sky would be black both night and day.
Why is Olli grey?
Thee colour grey seems to be the best compromise between black and white for heat balance in large animal like Olli
What is Olli’s favorite spot to sleep?
On a branch of a big tree.