Two more sun-grazing comets discovered. (SOLWIND 4 and 5)

Science News | November 23, 1985| | Copyright

The Air Force satellite that was deliberately destroyed Sept. 13 in a test of the U.S. anti-satellite system (SN: 9/28/85, p. 197) was probably best known for its discovery of three previously unknown comets whose orbits took them so close to the sun that they failed to reappear on the other side -- presumably due to the sun's heat -- following the initial observations. Now two more sun-grazing comets have been reported in later images from the same satellite.

All five were discovered by the P78-1 satellite's coronagraph/polarimeter, a Naval Research Laboratory ...

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