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More Data Needed On Space Rocks
Washington scientists plan to photograph and radar test asteroid Icarus as it passes within four million miles of Earth on June 15. Researchers describe Icarus as about three-fifths of a mile thick, part of a larger set of nearly 1,650 known asteroids, and discuss the potential for asteroid detection, tracking, and deflection as a planetary defense concern.
MENTIONED IN THIS ARTICLE
Washington
APD
Earth
B. F. Mintz
U.S. Naval Observatory
Tearus
Mercury
Icarus
Massachusetts Institute of Technology
Hermes
Igarus
Smithsonian Astrophysical Observatory
Cambridge
Mass