Tag: John C. Raymond
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Science & Tech
Suns of all ages possess comets, maybe planets
Astronomers observed a comet puffing out huge amounts of carbon, one of the key elements for life. The comet also emitted large amounts of water vapor as the Sun’s heat baked its outer surface. When combined with previous observations suggesting the presence of evaporating comets near young stars like Beta Pictoris and old stars like…