Snowballs in Space: Comets can put on spectacular shows.

Gives information about a snowball fight with giant dirty snowballs that happened millions of years ago in space. Hence we have space on Earth for the oceans and the Moon has craters. Also explains how the snowballs that are left in space can turn into comets meteors or rings around planets like Saturn.

© 2020 Highlights (دفتر الصوت ): 9781792210051

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