SEPTEMBER
1997Browse every NASA Astronomy Picture of the Day entry published in September 1997.
31Arp 230: Two Spirals in One?
01Infrared Helix
02Dark Sky, Bright Sun
03A Partial Eclipse in Southern Skies
04Rivers in the Sun
05Apollo 17: Boulder on the Moon
06Isaac Newton Explains the Solar System
07Luna 9: First Soft Lander
08A Map of Asteroid Vesta
09A Green Flash from the Sun
10Comet Hale-Bopp Outbound
11Mars Global Surveyor: Aerobraking
12The Center of NGC 6251 is Glowing
13Kepler Discovers How Planets Move
14MyCn18: An Hourglass Nebula
15Olympus Mons on Mars: The Largest Volcano
16Moon Over Mongolia
17GRB Fireball Persists
18Erupting Sun
19Globular Cluster 47 Tucanae
20The Clouds of Jupiter
21Looking Down on Saturn
22Antares and Rho Ophiuchi
23A Martian Autumn Begins
24Moon Occults Saturn
25T Pyxidis: Recurrent Nova
26A Lonely Neutron Star
27The Ecliptic Plane
28A Wolf Rayet Star Bubble
29Jupiter And Family
30Half Dome Rock on Mars
01Maria Mitchell Inspires a Generation
02Colliding Supernova Remnants
03Comet Halley and the Milky Way
04In the Center of 30 Doradus