Astronomy

Covers

January 1997:

	The summer Milky Way, as can be seen from the north hemisphere. A wide-angle photograph taken by Tom Polakis . (10 minutes exposure at f/2.8 on Fujichrome Provia 1600) How many constellations do you see? A hint: Polaris lies at the upper right corner.
	map of the same area

February 1997:

Eta-Carinae nebula,

by Jerry Lodriguss.

March 1997:

Hale Bopp at Cygnus,

(February 16, 1997), by Jerry Lodriguss.

April 1997:

	A great photo for a great comet! The sun still silhouettes the mountains at 10PM in Alaska. The comet points to the divide between the Alaskan and Aleutian mountain ranges across Cook Inlet. Copyright© 1997 Bill Hutchinson. The Kenai Peninsula Eagle Press®
	How many constellations and stars can you name here?

May 1997:

The North American and Pelican Nebulas,

by Jerry Lodriguss.

June 1997:

Family Portrait of Jupiter's Great Red Spot and the Galilean Satellites,

This image and other images and data received from Galileo are posted on the World Wide Web, on the Galileo mission home page. Background information and educational context for the images can be found at: http://www.jpl.nasa.gov/galileo/sepo.
Launched in October 1989, the spacecraft's mission is to conduct detailed studies of the giant planet, its largest moons and the Jovian magnetic environment. The Jet Propulsion Laboratory, Pasadena, CA, manages the mission for NASA's Office of Space Science, Washington, DC.

July-August 1997:

Mars as seen with the NASA Hubble Space Telescope,

Ares Valles, where Pathfinder will land
on July 4, 1997, is centered in the upper left image.
The Valles Marineris canyon system stretches to the west across the lower left portion of the planet.
The bright, orangish desert of Arabia Planitia is to the east.
Acidalia Planitia is the prominent sand-covered dark area fanning southward from the polar region.

September 1997:

The Andromeda galaxy,

by Jerry Lodriguss.

October 1997:

The Horsehead Nebula, at Orion,

by Jerry Lodriguss.

November 1997:

Galaxy Collision: The Antennae

Brad Whitmore (ST ScI), and NASA.

December 1997:

Eagle Nebula: Molecular Cloud at M16

Jeff Hester and Paul Scowen (Arizona State University), and NASA.