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Science Fail: Shaky Assumptions Topple Long-Held Notions
October 3, 2017
Science is supposed to be self-correcting, we're told. But when towers of belief are built on assumptions later shown to be false, the consequences can be monumental.
Facing Reality About Life on Other Planets, 6: Chemistry and Probability
September 18, 2017
In this final segment about habitability of exoplanets, Dr Henry Richter looks at chemistry and probability.
Facing Reality About Life on Other Planets, 5: Water and Rock
September 12, 2017
by Dr Henry Richter There is much interest in searching for life elsewhere in the Universe. In previous articles I talked about the many criteria describing conditions and circumstances required to establish and maintain life on a planet. I talked about the importance of the location of the planet in its solar system. The location […]
Facing Reality About Life on Other Planets: Geophysics
September 5, 2017
by Dr Henry Richter This is a continuation of my discussion on the requirements to allow life to exist on a planet elsewhere in the universe. My discussion moved from our position in the galaxy, our position in the solar system, and then focused on the earth, looking at the influence of our moon, our […]
Cassini Grand Verdict: Saturn Rings Younger Than Expected
August 30, 2017
With the orbiter's best-yet images and data now coming down, a long-running debate about the age of Saturn's rings is concluding in favor of youth.
Facing Reality About Life on Other Planets: Moon, Atmosphere, and Mass
August 29, 2017
This is part 3 of Dr Henry Richter's discussion on the requirements for life to exist on a planet elsewhere in the universe.