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Take a look at Landsat 8, the advanced planetary explorer with a 900 million dollar price tag! It is designed to peer across multiple wavelengths to reveal complex and ever-changing details that are undetectable by the human eye.
The Fermi Paradox asks the ultimate question: Given a few reasonable assumptions about the chance of life arising elsewhere in the universe and the distance between the stars, why has an alien civilization not presented itself?
Cosmic rays can tell us much about the universe. They are not simply another form of light, but carriers of information about powerful and unseen processes at work thousands or even millions of light years away.
Mercury is one Earth's closest neighbors, but for centuries it eluded astronomer's best efforts to learn its secrets. But that has changed thanks to missions like Mariner and most recently, Messenger.
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- Premiered: September 15, 2009
- Rating: TV-G
- Premise: In-depth examination and exploration of the sun, planets and moons of our solar system. (more)