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Physics News Update
Number 12 (Story #1), December 10, 1990 by Phillip F. Schewe and Ben Stein

VENUS IS STILL VOLCANICALLY ACTIVE, new Magellan pictures suggest. For example, an Australian-sized lava flood north of Venus' equator contains no meteorite craters, implying that the lava is no more than tens of millions of years old. Magellan's chief scientist, Stephen Saunders of JPL, said at the Fall meeting of the American Geophysical Union (AGU) that most of Venus' impact craters were relatively young and that older craters were possibly covered by a number of great lava flows. (Associated Press, December 3, 1990. Contact at JPL; Jim Doyle, 818-354-5011.)