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Planetary detection limits taking into account stellar noise. I. Observational strategies to reduce stellar oscillation and granulation effects
Earth and Planetary Astrophysics (astro-ph.EP)
2010/12/29
The radial velocity signature of stellar noise is small, around the meter-per-second, but already too much for the detection of Earth mass planets in habitable zones. In this paper, we address the imp...
Public Invited to Pick Pixels on Mars – Scientists Taking Suggestions on Where to Image the Red Planet Using NASA Satellite
Public Pixels Mars the Red Planet NASA Satellite
2010/1/26
The most powerful camera aboard a NASA spacecraft orbiting Mars will soon be taking photo suggestions from the public.
Since arriving at Mars in 2006, the High Resolution Imaging Science Experiment,...
Taking space in stride--New analysis could lead to better lunar, Mars spacesuits（图）
space lunar Mars spacesuits space suit
2009/8/18
Anyone who has watched videos of the Apollo astronauts moving across the surface of the moon has noticed the unusual loping gait they sometimes adopted and their slow, almost graceful, movements. Now ...
Revealing the physical changes taking place in z-track Motion in low mass x-ray binaries
z-track Motion low mass x-ray binaries
2009/6/17
Revealing the physical changes taking place in z-track Motion in low mass x-ray binaries。