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Study - Earth in Space

Our best links about studying Earth and the space around it. Covering why we have seasons, night and day, gravity, weight and mass, weightlessness, orbits, planets and phases of the moon.

1. Astronomy and space science - Introduction Rated: 3/5 by users

Astronomy and space science - Introduction

Introduction, ideal for 11-14 year olds, to astronomy and space science.

2. Phases of the Moon Rated: 3/5 by users

Phases of the Moon

Great animation which shows the different phases of the moon

3. Weight & Mass Rated: 4/5 by users

Weight & Mass

What's the difference between weight and mass?

4. Why is there night and day? Rated: 3/5 by users

Why is there night and day?

NASA answers why we have night and day.

5. Here comes the Sun Rated: 3/5 by users

Here comes the Sun

Everything you wanted to know about the sun and seasons.

6. How does gravity work? Rated: 3/5 by users

How does gravity work?

A scientist from Cornell University tackles the question of how does gravity work

7. What is microgravity? Rated: 3/5 by users

What is microgravity?

NASA page on microgravity, free fall and weightlessness in space.

8. Circular Motion and Satellite Motion Rated: 3/5 by users

Circular Motion and Satellite Motion

In depth site explaining circular motion and how satellites orbit the Earth.

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