Astronomy
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NASA Science
March 21, 2012 In Orbiter Processing Facility-2 at NASA's Kennedy Space Center in Florida, space shuttle Endeavour’s left orbital maneuvering system OMS pod ...
The Known Universe
The Known Universe zooms out from Tibet to the limits of the observable universe. Dim the lights, full-screen it in HD , and you're in for a treat. Like Powers of Ten , except astronomically accurate. It's not a dramatization, it's a map; the positioning data was pulled from Hayden Planetarium's Digital Universe Atlas , which is available for free download .
Daylight Hours Explorer
Shows the hours of daylight received during the year for an observer at a given latitude. This is an important factor contributing to the seasons.
Your Age On Other Worlds
The Days (And Years) Of Our Lives Looking at the numbers above, you'll immediately notice that you are different ages on the different planets. This brings up the question of how we define the time intervals we measure. What is a day? What is a year? The earth is in motion.
s Curiosities
This series of pictures show the moon going from the new moon stage to full moon and then back again in a sequence that is pretty to look at in real time, but amazing when a month goes by in a few seconds.
The Lander The Northern Light lander probe has a mass under 50 kg (including payload) and is made of an advanced composite material that includes thermal shielding and shock absorption. The probe includes solar arrays to generate power for the instrumentation and lander avionics. Explore
Mars Rocks