Hobbies / Amateur Science - Astronomy
New Rocket Fuel Mixes Ice and MetalA propellant made of water and aluminum nanoparticles could provide greener rocket propellant and store hydrogen for fuel cell usage.
SPACE.com Wednesday, October 21, 200932 new planets orbiting stars found outside solar systemEuropean astronomers announced they had found 32 new planets orbiting stars outside our solar system and said on Monday they believe their find means that 40 percent or more of Sun-like stars have such planets.One of these is surrounding the star Gliese 667 C, shown here in an artist's impression.
Topix.net Wednesday, October 21, 2009'UFO' a result of rocket testBy Shaun Smillie It came from outer space, a strange object blazing across the Johannesburg sky.
Topix.net Wednesday, October 21, 2009Nobel-prize winning science from Boulder to serve as springboard for planet hunting(University of Colorado at Boulder) The University of Colorado at Boulder and the National Institute of Standards and Technology have been awarded a $495,000 grant to look for Earth-like planets around other stars using technology based on 2005 Nobel Prize-winning research conducted at JILA, a joint institute of the two Boulder institutions.
Eurekalert.org Wednesday, October 21, 2009NASA Administrator Orders Study of Heavy Lift AlternativesNASA Administrator Charlie Bolden has asked for an evaluation of alternative heavy lift rockets, including DIRECT's Jupiter launch vehicle. The evaluation is a "top priority," according to NASASpaceflight.com, and a special team from the Marshall Space Flight Center has been commissioned to conduct the study, with the directive to have a report [...]
Universe Today Wednesday, October 21, 2009Have a Galileo MomentStarting tomorrow (Oct. 22) professional and amateur astronomers around the world will be out in force to encourage as many people as possible to look through a telescope. The International Year of Astronomy 2009 Cornerstone project, Galilean Nights, will be a global experience, with more than 1000 public observing events in over 70 countries. If [...]
Universe Today Wednesday, October 21, 2009This Week's Where In The Universe ChallengeIt's time once again for another Where In The Universe Challenge. Test your visual knowledge of the cosmos by naming where in the Universe this image was taken and give yourself extra points if you can name the spacecraft responsible for this picture. Post your guesses in the comments section, and check back later at [...]
Universe Today Wednesday, October 21, 2009Earliest evidence of humans thriving on the savannahHumans were settled on open grassland in Africa as early as 2 million years ago, making stone tools and using them to butcher zebra and other grazers
Newscientist.com Wednesday, October 21, 2009Timewarp: How your brain creates the fourth dimensionTime is an illusion: your brain stitches it together until it seems continuous. But what happens when it goes wrong?
Newscientist.com Wednesday, October 21, 2009Rethinking relativity: Is time out of joint?An analysis of ancient light from distant galaxies suggests that gravity once distorted time more than space. That's not the way Einstein saw things
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