Space Weather and Searching for Alien Life | Starhopping Guide | Gwynne Shotwell Talks Spaceflight Future

Extreme Space Weather of Common Stars Could Make Alien Life Scarce Extreme space weather from red dwarfs may doom any chances for alien life to evolve, scientists say. See what it means for the rarity of life in our universe.
See Double Stars in the Night Sky: A 'Starhopping' Guide The double star systems of the night sky, like the one in constellation Boötes, are rich stargazing target. Here's how 'starhopping' can help lead the way.
	Found! Oldest Known Alien Planet That Might Support Life Astronomers have discovered the oldest known alien world that may be capable of supporting life, and it's just a stone's throw away from Earth.
	REPLAY: SpaceX President Gwynne Shotwell Talks US Spaceflight Future SpaceX's Gwynne Shotwell will discuss the private spaceflight company's progress and challenges ahead for its commercial space program.
	Space History Photo: Navy Frogmen Swim to Spacecraft to Begin Retrieval Deployed from the hovering helicopter, the U.S. Navy frogmen make contact with the astronaut waiting inside.
	NASA 'Flying Saucer' Launch to Test Mars Landing Parachute Tech A saucer-shaped vehicle that could help NASA land big payloads on the surface of Mars is about to take to the skies for the first time.
	Mechanics of Materials For Dummies - Space Sponsored Content Tracking a typical undergraduate course, Mechanics of Materials For Dummies gives you a thorough introduction to this foundational subject. You'll get clear, plain-English explanations of all the topics covered, including principles of equilibrium, geometric compatibility, and material behavior; stress and its relation to force and movement; strain and its relation to displacement; elasticity and plasticity; fatigue and fracture; failure modes; application to simple engineering structures, and more.
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