San Antonio Astronomical Association: Classroom

Calendar

August 2008

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Upcoming Events

08-20	Astronomy in the Park
08-23	Blanco State Park
08-27	Astronomy in the Park
09-03	Astronomy in the Park
09-04	"X" Marks the Spot
Updated: 8/20/2008 3:50:27 AM

von Kármán Lecture Series

Keeping an Eye on Earth's Changing Climate: The Ocean Surface Topography Mission Presented by Dr. Parag Vaze Ocean Surface Topography Mission Project Manager Tune in at 9 p.m. CST on Thursday, August 21, 2008 and again on Friday, August 22, 2008 (requires RealPlayer).
Lecture archives

IYA USA National Node

Current Lunar Phase

Current Moon Phase

Courtesy: U.S. Naval Observatory

Current Sun

Current Sun Image

Courtesy: National Solar Observatory

Weather

San Antonio Clear Sky Chart

Listen to NOAA Weather Radio

This Month's Sky

Sky Chart
Meteor Showers

Comets

Comets from Gary Kronk
Comet Ephemeris

Home > Observatory > Wonders of Space

San Antonio Astronomical Association

Mysteries and Wonders of the Universe

Cassini Photo Essay: A Ring-Side View of Saturn
All That Planetary Jazz: Among the most exciting and challenging questions facing 21st century astronomy are these: Is our solar system typical of the planetary systems around stars? In what sense? And how does this affect the chances for life elsewhere?
Scientists prove Einstein right again,: The first effort to measure how quickly gravity exerts its influence indicates that it matches the speed of light, upholding Einstein's theory of relativity
Speed-of-light debate flashes again,: The speed of light may not be a constant, based on a study of quasars and the surroundings of black holes.
Defenses Down,: Galactic Dust Storm Hits Solar System
Questioning the Big Bang,: Could universe follow a cycle without end?
Cosmic Orphans: Stray Stars found Wandering Between Galaxies