claim: Venus very likely underwent a runaway or ‘moist’ greenhouse phase earlier in its history, and today is kept hot by a dense CO2 atmosphere.
evidences.evidence_id: Greenhouse effect:6
evidences.article: Greenhouse effect
evidences.evidence: The planet Venus experienced runaway greenhouse effect, resulting in an atmosphere which is 96% carbon dioxide, with surface atmospheric pressure roughly the same as found 900 m (3,000 ft) underwater on Earth.
evidences.votes: SUPPORTS NOT_ENOUGH_INFO
evidences.evidence_id: Venus:13
evidences.article: Venus
evidences.evidence: It may have had water oceans in the past, but these would have vaporized as the temperature rose due to a runaway greenhouse effect.
evidences.votes: NOT_ENOUGH_INFO SUPPORTS
evidences.evidence_id: Venus:27
evidences.article: Venus
evidences.evidence: Conditions on the Venusian surface differ radically from those on Earth because its dense atmosphere is 96.5% carbon dioxide, with most of the remaining 3.5% being nitrogen.
evidences.votes: SUPPORTS NOT_ENOUGH_INFO
evidences.evidence_id: Venus:88
evidences.article: Venus
evidences.evidence: The CO 2-rich atmosphere generates the strongest greenhouse effect in the Solar System, creating surface temperatures of at least 735 K (462 °C; 864 °F).
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO
evidences.evidence_id: Venus:91
evidences.article: Venus
evidences.evidence: Studies have suggested that billions of years ago, Venus's atmosphere was much more like the one surrounding Earth, and that there may have been substantial quantities of liquid water on the surface, but after a period of 600 million to several billion years, a runaway greenhouse effect was caused by the evaporation of that original water, which generated a critical level of greenhouse gases in its atmosphere.
evidences.votes: SUPPORTS SUPPORTS