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15 October 2008
Feeding Time at the Stellar Zoo: Infant Stars Generate Lots of Gas
Understanding how stars form is critical to astronomers. If we can gain a better understanding of how intermediate-size infant stars grow, we can begin to answer some of the most perplexing questions hanging over the evolution of our own Solar System. Unfortunately, the nearest star forming regions are about 500 light years away, meaning that [...]
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19 September 2008
The Cepheids Aren't Falling
Cepheid variable stars have been used for years as a way to determine distance to other galaxies. The correlation between their period of variability and absolute luminosity provides a cosmic yardstick to measure distances out to a few tens of millions of light-years. Additionally, Cepheids closer to home are used as tools to [...]
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01 May 2008
What's Up - The Weekend SkyWatcher's Forecast - May 2-4, 2008
Greetings, fellow SkyWatchers! Are you ready for a great dark sky weekend? Then it's time to walk into the galaxy field of dreams as we take a closer look at part of Markarian's Chain. Even smaller telescopes and larger binoculars will be happy with this weekend's globular clusters! Need more [...]
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15 April 2008
Universe Today Exclusive - Cygnus Nova V2491 Revealed for Readers
Clouds got you down? No chance of seeing V2491 Cyg because of the weather? Are you sleeping when Cygnus is up? One of the most beautiful facets of having an astronomer around is being able to share information with other observatories around the world and put them to work. This time [...]
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21 January 2008
Flying Telescope Passes Its First Stage of Tests
Telescopes on the ground – while having all sorts of good qualities – have the disadvantage of peering through the whole of the atmosphere when looking at the stars. Space-based telescopes like Hubble are an effective way around this, but launching a telescope into space and maintaining it is not exactly cheap. What about something [...]
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