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10 Ways To Get Involved With NASA | GeekDad | Wired.com
Image: Pascal Lee / Haughton-Mars Project A few weeks ago, NASA announced the members of the astronaut class of 2009 . Like many kids growing up, I also wanted to be an astronaut.Molecular Expressions: Science, Optics and You - Secret Worlds:
Secret Worlds: The Universe Within View the Milky Way at 10 million light years from the Earth. Then move through space towards the Earth in successive orders of magnitude until you reach a tall oak tree just outside the buildings of the National High Magnetic Field Laboratory in Tallahassee, Florida. After that, begin to move from the actual size of a leaf into a microscopic world that reveals leaf cell walls, the cell nucleus, chromatin, DNA and finally, into the subatomic universe of electrons and protons. Once the tutorial has completely downloaded, a set of the arrows will appear that allow the user to increase or decrease the view magnitude in Manual mode. Click on the Auto button to return to the Automatic mode.
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Explanation: Although its colors may be subtle, Saturn's moon Helene is an enigma in any light. The moon was imaged in unprecedented detail last June as the robotic Cassini spacecraft orbiting Saturn swooped to within a single Earth diameter of the diminutive moon . Although conventional craters and hills appear , the above image also shows terrain that appears unusually smooth and streaked.
Astronomy Picture of the Day