New Worlds, New Horizons in Astronomy and Astrophysics, a new report from the National Research Council, surveys the field of space- and ground-based astronomy and astrophysics and recommends priorities for the most important scientific and technical activities in the coming decade.

Committee members participating in the briefing are:

Roger Blandford (chair), Luke Blossom Professor, School of Humanities and Sciences, Stanford University, Stanford, Calif.

Martha Haynes, (co-vice chair) Goldwin Smith Professor of Astronomy, Cornell University, Ithaca, N.Y.

Debra Elmegreen, Maria Mitchell Professor of Astronomy and chair of the department of physics and astronomy, Vassar College, Poughkeepsie, N.Y.

Fiona Harrison, Professor of Physics and Astronomy, Space Radiation Lab, California Institute of Technology

Michael Turner, Rauner Distinguished Service Professor and director of the Kavli Institute for Cosmological Physics, University of Chicago, Chicago

Neil deGrasse Tyson, research associate in the department of astrophysics, American Museum of Natural History, and the Frederick P. Rose Director of the Hayden Planetarium, New York City