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Extra-terrestrial Geology
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From SolarSailWiki Sunlight pushes gently on spacecraft with large, lightweight, mirrored solar sails . They enable travel throughout the solar system and beyond without rocket propellant. SolarSailWiki covers everything from the science of light pressure, what they can do for us, to technologies and missions of the future. Please help SolarSailWiki become a comprehensive source of solar sail information. Ask for an account by sending an email to admin at solarsails dot info .
National Geographic
After years of preparation and days of uncooperative weather conditions, James Cameron is sinking fast to Earth's deepest, and perhaps most alien, realm in his futuristic sub. A freshly exploded star has been confirmed in a relatively nearby galaxy, offering astronomers a glimpse at the earliest stages of a supernova. Are day and night equally long today, the 2012 vernal equinox (or spring equinox)? Get the answer—and other first-day-of-spring facts and oddities.
PtyS/LPL Faculty: Dr. John S. Lewis
NATS 102 Universe and Humanity: Origin and Destiny PtyS 106 Survey of the Solar System PtyS 407 Chemistry of the Solar System
Whenever someone proposes to do something that has never been done before, there will always be skeptics. So when I started SpaceX, it was not surprising when people said we wouldn’t succeed. But now that we’ve successfully proven Falcon 1, Falcon 9 and Dragon, there’s been a steady stream of misinformation and doubt expressed about SpaceX’s actual launch costs and prices.
Space Exploration Technologies Corp. - SpaceX
Space