General Membership Meeting
We will be in our usual meeting room at UTD,the ScienceLearning Center (SLC), room# SLC.1.102. Here's a map. Only park in lots H, I, or J. Parking anywhere else on campus could result in a ticket.
Speaker: Dr. Ishak-Boushaki, UTD
Presentation: Why is the Expansion of the Universe Accelerating?
For more almost two decades, cosmological observations indicate that the expansion of the universe is accelerating. Cosmic acceleration and the questions associated with it are at the heart of one of the most challenging and puzzling problems in cosmology and physics. What is the cause of this acceleration? Is it because of a repulsive dark energy or cosmological constant pervading the universe, or perhaps an extension to Einstein’s General Relativity that takes effect at cosmological scales of distance, or because the expansion rate of space-time is uneven from one region to another in the universe? I will review these possibilities and discuss what recent results, including ours, have to say about it.
The Texas Astronomical Society of Dallas was chartered in 1955 to promote interest and research, and to give instruction in the science of astronomy and related disciplines. Membership is open to anyone having an interest in astronomy and related subjects and includes benefits such as a our monthly newsletter, discounts to the top astronomy magazines, access to our dark sky observing site and many more.
Our annual membership dues are very reasonable and can be paid on-line using the PayPal link listed below. Membership is open to anyone having an interest in Astronomy and the night sky.
New members can download the New Members Handbook from the Members Only Section of the website.Follow @TASObserve
We invite you to further explore our website for more information and hope you consider becoming a member of our Society. TAS is a registered 501(c)(3) nonprofit corporation, donations to which would be tax deductable for U.S. taxpayers under IRS rules. Donations may be given by using our secure PayPal site and indicating "donation" on the form.
Thank you for your gracious support of the Texas Astronomical Society of Dallas.
The latest issue of our award-winning monthly newsletter, the Spectrum, can be downloaded below.
Back issues are available under "Features->Spectrum Newsletter" in the main menu.
TAS Recurring Star Parties
TAS holds 4 regular monthly Star Parties where our members get together to observe and educate about the night sky. Come join us to look at planets, stars, and other celestial wonders. The monthly Star Party schedule is as follows:
Our full schedule of activities is on our calendar. Please come out and join us or volunteer at one of our events.Please call the Public Observing Hot Line at 214-800-6000 for the latest cancellation information.
Visit the members' discussion forum to discuss astro-type stuff with fellow TAS members.
Visit the Members Only section for access to:
Constellation of the Month: October: Cassiopeia and Cepheus
TAS is now 600
members strong....why not become a part of our family?
TAS is a member of
The World's Largest Federation of Amateur Astronomers AND the
Three column web layout courtesy of Matthew James Taylor
Sun, Moon, and Tonight's Sky
| Richardson, TX
(times in CDT):
Sunrise today: 7:39am
Sunset today: 6:44pm
Moonrise today: 2:05am
Moonset today: 3:36pm
37% of moon illuminated
Click the above image for a chart. Popup blockers must be disabled. Chart courtesy of Fourmilab Switzerland.
| Major Planets and Moon Charts
Minor planet and comet lists, and corresponding orbital elements, are courtesy of the Harvard-Smithsonian Center for Astrophysics. Charts courtesy of Fourmilab Switzerland
Special Interest Groups
APSIG (Astrophotography Special Interest Group) is sponsored by the Texas Astronomical Society of Dallas, Texas.
APSIG meets once a month to share information and learn more about the art and science of Astrophotography -- taking photographs of objects in the night sky such as planets, galaxies, nebulae, and star clusters. Imaging these celestial objects requires special techniques and equipment, but are attainable by anyone willing to point their camera skyward. Come learn how! For more information on APSIG just follow this link...
ATMSIG (Amateur Telescope Makers Special Interest Group) is sponsored by the Texas Astronomical Society of Dallas, Texas.
The ATMSIG meets every other month to explore the design, construction and adjustment of both do it yourself and professionally built telescopes. Anyone interested in building their first scope will find this group a big help in finding the best place to start. You don’t need to have a well equipped workshop, just a few simple tools and an interest in building or modifying it yourself. The ATMSIG is a wonderful place to see projects built locally by TAS members and to share new ideas for the future! For more information, just follow this link...