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CONTENTS of entire timeline

CONTENTS of 59,999,999 BC- 51,000 BC Large land and aquatic mammals appear; many kinds of primates appear (almost as many go extinct); an island continent finally disappears for good; the Mediterranean valley turns into the Mediterranean Sea; human beings emerge, develop housing, clothes, lamps, and drugs, breed dogs, use horses; Mars dies (or goes dormant)

This page last updated on or about 10-31-05
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98,000 BC: Humanity has definitely developed the mental skills necessary to support spoken language by now (if not much earlier); A tsunami beginning with a height of possibly a quarter-mile strikes portions of coastal Australia and New Zealand (as well as miscellaneous other isles)

The tidal wave may have been triggered by a Hawaiian landslip or an asteroid impact in the Pacific.

-- "Was The Lack Of Language The Force Of Driving Stone Age Art?", 12-9-98, New Scientist ["http://www.newscientist.com"]

-- TWO TSUMANI TALES From Science Frontiers Digest of Scientific Anomalies ["http://www.knowledge.co.uk/frontiers/"] #85, JAN-FEB 1993 by William R. Corliss, citing Garry Davidson; "A Tsunamis Tale from Sydney," New Scientist, p. 17, October 17, 1992, and Jan Smit, et al; "Tektite-Bearing, Deep-Water Clastic Unit at the Cretaceous-Tertiary Boundary in Northeastern Mexico," Geology, 20:99, 1992

-- EVIDENCE FOR A GIANT PLEISTOCENE SEA WAVE From Science Frontiers Digest of Scientific Anomalies ["http://www.knowledge.co.uk/frontiers/"] #37, JAN-FEB 1985 by William R. Corliss, citing James G. Moore, and George W. Moore; "Deposit from a Giant Wave on the Island of Lanai, Hawaii, Science, 226:1312, 1984

A super nova explosion around this time in our vicinity creates a 200-600 lightyear diameter 'bubble' of space around us largely cleared of interstellar dust and gas. Our 'local bubble' is located on the inner edge of the Orion galactic arm. The Sagittarius galactic arm lies corewards from the Sun about 1500 parsecs away.

-- Ask the Astronomer: Is there anything interesting about the Sun's location in the Milky Way? (http://www2.stx.com/cafe/qadir/q662.html) by Dr. Sten Odenwald, found on or about January 15, 2000

Our local bubble is but one of several such regions within 2000 lightyears. They are called Loops I, II, and III respectively. Each consists of a roughly spherical region a few hundred lightyears in diameter.

Though the bubbles possess a lower density of interstellar dust and gas than the regions outside them, they are not completely empty, but populated by very diffuse clouds, such as the Local Fluff, which our solar system will appear to be entering around the end of the 20th century. Aging bubbles also tend to slowly refill again, to eventually regain their original densities of dust and gas. Entering and exiting bubbles can expose solar systems to changes in cosmic ray environments.

-- >Ask the Astronomer: Are the properties inside 'Local Bubbles' the same everywhere? (http://www2.stx.com/cafe/qadir/q2402.html) by Dr. Sten Odenwald, found on or about January 15, 2000

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