by Pamela | Mar 28, 2007 | Minor Planets, Space Craft
On Monday, March 26, a Chilean flight to New Zealand was almost struck by falling bits of space something. The pilot of the flight noted he could see burning up materials both in front and behind the flight. (Information obtained from numerous news sources). Some...
by Pamela | Mar 20, 2007 | Observing, Teaching
I have to admit I have spring fever. I seem to have moved to a part of the country where the seasons actually follow the solstices and equinoxes, and politely divide themselves into 4 fairly equal parts. My crocuses are blooming, shorts are starting to appear on some...
by Pamela | Mar 13, 2007 | Nebulae, Observing
As I’ve mentioned before, press releases that don’t really contain science are one of my pet peeves. That said, one such press release came across my inbox this morning and made me giggle happily. The image was of the Crab Nebula (above left: credit:...
by Pamela | Mar 10, 2007 | Planets, Teaching
In Astronomy we have two terrible patterns of words to try and remember. One is the order of the planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune (image left, credit: NASA). The other is the spectral types of stars: O, B, A, F, G, K, M. For both...
by Pamela | Mar 8, 2007 | Light Pollution, Observing, Politics
Star light, star bright, first star I see tonight…First star? Hello? You’re supposed to come out now. Stars? Someone? Shine? Please? While I was a graduate student at the University of Texas in Austin I watched the Ring Nebula (M57) disappear. When I first...
by Pamela | Feb 14, 2007 | Exo Solar Systems, Nebulae
It is easy in astronomy to lump different objects into specific groups. At the top-most level, there are stars, galaxies, planetary systems (including asteroids and comets), and dust-bunnies interstellar and intergalactic media (clouds and nebula). Looking a bit...