San Antonio Astronomical Association: Classroom

Calendar

March 2010

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Upcoming Events

03-11	Globe at Night Campaign
03-11	Kelly Elementary
03-12	Monthly Meeting
03-12	Globe at Night Campaign
03-13	Globe at Night Campaign
Updated: 3/11/2010 10:54:23 AM

von Kármán Lecture Series

Using NASA Satellites to Study the Earth's Climate Presented by Dr. Eric J. Fetzer Jet Propulsion Laboratory, California Institute of Technology Tune in at 9 p.m. CST on Thursday, March 18, 2010 and again on Friday, March 19, 2010 (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

Member of the International Dark-Sky Association

Member of NASA's
Night Sky Network

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