References & Sources

Icy cracks may betray Europan ocean

A new study adds to the circumstantial evidence that Jupiter’s moon Europa harbors a subterranean ocean—a possible haven for extraterrestrial life.

References:

Hoppa, G.V. . . . and P.E. Geissler. 1999. Formation of cycloidal features on Europa. Science 285(Sept. 17):1899.

Sources:

Paul E. Geissler
University of Arizona
Lunar and Planetary Laboratory
Tucson, AZ 85711

William K. Hartmann
Planetary Science Institute
620 North 6th Avenue
Tucson, AZ 85705-8331

Gregory V. Hoppa
University of Arizona
Lunar and Planetary Laboratory
Tucson, AZ 85711

From Science News, Vol. 156, No. 14, October 2, 1999, p. 219. Copyright © 1999, Science Service.