Svensmark on Venus: Mystery of the Unknown UV Absorber Solved?

Guest post by John Tillman Disulfur Dioxide, the Solar Cycle and Cosmic Rays in the Venusian Atmosphere In 1928, Yerkes Observatory astronomer and physicist Frank Ross published a journal paper, “Photographs of Venus”.  It reported finding in the Venusian atmosphere a strong absorption between 320 and 400 nm, ie in the near-UV, just overlapping light…

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Venus at Sunrise From the Space Station

From NASA image of the day. June 7, 2019 Venus at Sunrise From the Space Station From the International Space Station, NASA astronaut Christina Koch (@AstroChristina) snapped and posted this image of the planet Venus at sunrise. The blue glow of Earth’s atmosphere shimmers as the station orbits our planet. Image Credit: NASA Last Updated:…

Modelling the Climate of Noonworld: A New Look at Venus.

Guest Post by Philip Mulholland “Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.” Richard P. Feynman. 1. Introduction: The Science of Climate. A planetary climate consists of a dynamic mobile-fluid mass-transport and energy delivery system, organised in the form of closed loops or cells, that advects mass…

How Gorebal Warming Could Transform Earth Into Venus…

Guest ridicule by David Middleton Anthony covered this story a couple of days ago: MIT: Climate tipping point busted – globe needs to reach 152°F before runaway greenhouse effect kicks in. When I saw this headline on Real Clear Science, I assumed it had to be about some other study… How Earth Could Eventually Become Venus…

Transit of Venus today may reveal the "Mysterious Arc of Venus"

From Dr. Tony Phillips Science at NASA When Venus transits the sun on June 5th and 6th, an armada of spacecraft and ground-based telescopes will be on the lookout for something elusive and, until recently, unexpected: The Arc of Venus. “I was flabbergasted when I first saw it during the 2004 transit,” recalls astronomy professor…