The Story of the Fossil Meteorites
The story of the fossil meteorites
What four small pieces of rock can teach
us about the history of the solar system.
By David Boehnlein, Astronomy, November 29, 2017
Yours,
Paul H.
Thursday 30 November 2017
Saturday 18 November 2017
What Happens If China Makes First Contact? 18NOV2017
What Happens If China Makes First Contact?
What Happens If China Makes First Contact?
As America has turned away from searching for
extraterrestrial intelligence, China has built the
world’s largest radio dish for precisely that purpose.
The Atlantic, Ross Andersen, December 2017
With Massive Radio Telescope, China Takes World's Lead
In Search For Alien Life, here and Now, November 16, 2017
http://www.wbur.org/hereandnow/2017/11/16/china-radio-telescope
The Alien Observatory --China's Preeminent Philosopher of
'First Contact' Visits New FAST Radio Telescope: "Warns of
Extinction By a Hidden Hunter" The Daily Galaxy,
November 08, 2017
Yours,
Paul H.
Wednesday 1 November 2017
Did Ice Age Cause Mastodon Extinction? 01NOV2017
Did Ice Age Cause Mastodon Extinction?
Did Ice Age Cause Mastodon Extinction?
New Research Suggest Several Causes
Central Washington University, Oct. 29, 2017
Emery-Wetherell, Meaghan M., Brianna K. McHorse, and
Edward Byrd Davis. "Spatially explicit analysis sheds new
light on the Pleistocene megafaunal extinction in North
America." Paleobiology (2017): 1-14.
Another paper is:
Brault, M.O., Mysak, L.A., Matthews, H.D. and Simmons,
C.T., 2013. Assessing the impact of late Pleistocene
megafaunal extinctions on global vegetation and
climate. Climate of the Past, 9(4), p.1761.
Yours,
Paul H.
Chicxulub Impact Cooled Earth's Climate More than Previously Thought 01NOV2017
Chicxulub Impact Cooled Earth's Climate More than Previously Thought
Asteroid impact plunged dinosaurs into catastrophic 'winter'
By Jonathan Amos, BBC, October 31, 2017
Dinosaur-killing asteroid impact cooled Earth's climate more
than previously thought. PhysOrg, October 31, 2017
The paper is:
Natalia Artemieva et al, 2017, Quantifying the Release of
Climate-Active Gases by Large Meteorite Impacts With a Case
Study of Chicxulub. Geophysical Research Letters (2017). DOI:
10.1002/2017GL074879
A related paper is:
Pierazzo, E. and Artemieva, N., 2012. Local and global
environmental effects of impacts on Earth. Elements, 8(1), pp.55-60.
Yours,
Paul H.
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