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Dimming Betelgeuse likely isn't cold, just dusty, new study shows（图）
Dimming Betelgeuse just dusty
2020/3/13
Late last year, news broke that the star Betelgeuse was fading significantly, ultimately dropping to around 40% of its usual brightness. The activity fueled popular speculation that the red supergiant...
NASA Study Shows Asteroids May Have Accelerated Life on Earth
NASA Asteroids Accelerated Life Earth
2009/5/21
The study focused on a particularly cataclysmic occurrence known as the Late Heavy Bombardment, or LHB. This event occurred approximately 3.9 billion years ago and lasted 20 to 200 million years. In a...
national Aeronautic and space administration Study Shows Titan and Early Earth Atmospheres Are Similar
Saturn's moon haze Titan
2006/11/15
6 NOV 2006,Organic haze in the atmosphere of Saturn's moon, Titan, is similar to haze in early Earth's air -- haze that may have helped nourish life on our planet-- according to a NASA Astrobiology In...