claim: Venus is not hot because of a runaway greenhouse.
evidences.evidence_id: Carl Sagan:138
evidences.article: Carl Sagan
evidences.evidence: He also perceived global warming as a growing, man-made danger and likened it to the natural development of Venus into a hot, life-hostile planet through a kind of runaway greenhouse effect.
evidences.votes: REFUTES REFUTES
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: REFUTES REFUTES
evidences.evidence_id: Runaway greenhouse effect:57
evidences.article: Runaway greenhouse effect
evidences.evidence: Venus is sufficiently strongly heated by the Sun that water vapor can rise much higher in the atmosphere and be split into hydrogen and oxygen by ultraviolet light.
evidences.votes: SUPPORTS REFUTES
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: REFUTES REFUTES
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: REFUTES NOT_ENOUGH_INFO