I'm a science journalist and host of Cosmic Controversy (brucedorminey.podbean.com) as well as author of 'Distant Wanderers: the Search for Planets Beyond the Solar System.' I primarily cover aerospace and astronomy.
the transit of Venus on June 5, 2012 in New York, New York. The Transit of Venus involves the planet Venus crossing in front of the sun. The next pair of events will not happen again until the year 2117 and 2125. To paraphrase Winston Churchill, our sister planet Venus remains a riddle, wrapped in a mystery, inside an enigma. Remarkably similar in size, mass, and bulk makeup, today, Earth and Venus couldn't be more different.
Venus represents an astrobiological cautionary tale. That’s because observations of terrestrial mass exoplanets that —- at first glance —- would appear to be habitable may simply be producing an abundance of abiotic oxygen. That is, oxygen that has nothing to do with life on the planets’ surfaces.of any planet in the Solar System. It orbits the Sun every 224.7 Earth days, making a Venusian year shorter than an Earth year. Artist NASA.
In order to really understand how you obtain conditions which are suitable for life to form in the first place, you really need to understand the past the present and future of planets and how they evolve with time, Stephen Kane, the paper’s lead author and a planetary astrophysicist at the University of California, Riverside, told me via phone. That's why we argue that Venus is really the key to that because it shows an extremely different evolution from Earth, he says.
Byrne points out that although Venus and Earth formed in the same manner as the other rocky planets in our solar system, it’s still a puzzle as to why they took such divergent evolutionary paths.
Venus Pioneer Venus Earth Stephen Kane
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