Earth and Space

Big Idea: The Earth is a planet orbiting the Sun - one of many stars
in our galaxy, which is one of many galaxies in the Universe. More info...

Browse worksheets, ideas, lesson plans and more for students aged 5-19 and narrow your search using the filters below.

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Gravity lends a hand

Gravity assists are used to alter the path and speed of spacecraft. Perhaps the most extended gravity assist ever achieved was...

Stories from Physics 11-14 14-16