Mars Section        


Probable Comet Impact on Mars in 1973

Evidence is presented that a comet consisting of large amounts of ice probably impacted Mars on September 2, 1973. Four members of the McDonnell Douglas Amateur Astronomers Club observed the aftermath of the proposed comet impact. Descriptions of visual telescopic observations are given beginning with two very large side-by-side circular white clouds. Black-and-white images of the clouds are shown that were recorded over a period of 2 hours and 52 minutes, including one beginning at 07:50 UT, then one at 08:21 UT and the last at 10:42 UT.  Click on link below for the complete paper in JALPO62-3-Summer-2020 .

Comet Impact on Mars




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