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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.
Multiple Independent Animal Types Use Structural Color
August 24, 2017
The phenomenon is found in butterflies, fish, birds, and snakes, and scientists are rushing to imitate their secrets.
Facing Reality About Life on Other Planets
August 11, 2017
by Dr Henry Richter For a number of years I have been amused to watch many in the scientific community conduct a frantic campaign to identify life elsewhere in the universe. There has been a plethora of articles and significant dollars dedicated to the search for extraterrestrial life, particularly intelligent life. In recent times several […]
Evolutionary Storytelling Evolves: the Case of Origin of Life
August 4, 2017
The Latest Episode in Evolving Origin-of-Life Stories by Dr Jerry Bergman The origin-of-life story is evolving. Before the middle 1600s most people believed that many forms of life originated by spontaneous generation from either inanimate matter, or once-living but now dead matter. Aristotle even believed that animals he considered “simple”, such as worms, fleas, bees, […]