Rajaa
Hakutulokset: Hakutulos
Rajaa
yksi hakutulos.
Don't Know Much about Space
pokkari,
2001,
englanti,
ISBN 9780064408356
If Earth is round, why don't people on the other side of the world fall off? (see page 26)Is Mars red because it's embarrassed? (see page 49)If black holes are invisible, how do we …