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Exoplanets get a cosmic front-row seat to find backlit Earth（图）
系外行星 背光地球 行星物理学
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2023/5/24
Scientists at Cornell and the American Museum of Natural History have identified 2,034 nearby star-systems – within the small cosmic distance of 326 light-years – that could find Earth merely by watch...
A shock front in the merging galaxy cluster Abell 754: X-ray and radio observations
the merging galaxy cluster Abell 754 X-ray radio observations
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2011/1/11
We present new Chandra X-ray and Giant Meterwave Radio Telescope (GMRT) radio observations of the nearby merging galaxy cluster Abell 754. Our X-ray data confirm the presence of a shock front by obtai...
Ionization Front Instabilities
Ionization Front Instabilities
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2009/6/15
Ionization Front Instabilities。