The Planets and Beyond
Are we alone? Do asteroids theaten us? How do you start astronomy? The answers are in the planets and beyond.
Are we alone? Do asteroids theaten us? How do you start astronomy? The answers are in the planets and beyond.
A cosmic detective story
![The SWIFT satellite and gamma ray burst [Image: NASA]](http://www.open2.net/open2static/source/file/root/0/57/52/236832/sunburst_progfront.jpg)
A cold-war nuclear treaty sparked a fascinating search for the source of gamma-ray bursts.
Newton's G
Needed to understand astrophysics and discovered through table-top experiments: what is the gravitational constant?
Are we alone in the universe?
The only sure way to prove there's life beyond this planet is by making contact.
Threat or blessing?
If an asteroid heads our way, should we take evasive action - or grab our mining equipment? Do we avoid or exploit?
Taking it further
The universe is a huge place; there's much to explore. If we've captured your interest, start taking it further.
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