Astronomy
Dissolving Star Systems Create Mess in Orion
For young stars, stellar outflows are the rule. T Tauri stars and other young stars eject matter in generally collimated…
Cosmologist Allan Sandage Dies
[/caption] Cosmologist Allan R. Sandage, who helped define the fields of observational cosmology and extragalactic astronomy, died November 13, 2010,…
Spectroscopy in 1881
[/caption]Presently, I've been reading a lot of very old papers and books in astronomy. The work I'm currently reading a…
The Furor over FUORs
[/caption] In 1937, an ordinary 16th magnitude star in the constellation Orion began to brighten steadily. Thinking it was a…
Galaxy Zoo Searches for Supernovae
Aside from categorizing galaxies, another component of the Galaxy Zoo project has been asking participants to identify potential supernovae (SNe).…
Costs for James Webb Telescope Soar — Again
[/caption] The price tag for NASA’s next big space telescope keeps rising and the launch date will likely be delayed…
ω Centauri’s Red Giants Confirm Stellar Evolution Models
[/caption] While science education often focuses on teaching the scientific method (or at least tries to), the real process of…
PSA: Bars Kill Galaxies
[/caption]Many spiral galaxies are known to harbor bars. Not the sort in which liquor is served as a social lubricant,…
Missing Milky Way Dark Matter
[/caption]Although dark matter is inherently difficult to observe, an understanding of its properties (even if not its nature) allows astronomers…
Sagan Day Essays
[/caption] Tuesday (11/09) is Carl Sagan Day -- a chance to remember the legacy of one of the great spokespersons…