Archive for December 2008
SGAC IYA2009 Essay Competition
Posted by: destinyofaries on: December 17, 2008
The International Year of Astronomy 2009 is a global effort initiated by the International Astronomical Union and UNESCO to help the citizens of the world rediscover their place in the Universe through the day- and night-time sky, and thereby engage a personal sense of wonder and discovery.
SGAC is pleased to announce an essay competition.
“What does [...]
Astronomers ‘Time Travel’ to 16th Century Supernova
Posted by: destinyofaries on: December 15, 2008
On November 11, 1572 Danish astronomer Tycho Brahe and other skywatchers observed what they thought was a new star. A bright object appeared in the constellation Cassiopeia, outshining even Venus, and it stayed there for several months until it faded from view. What Brahe actually saw was a supernova, a rare event where the violent [...]
The Christmas Star
Posted by: destinyofaries on: December 13, 2008
‘This is the season… And every year around this time people notice the brilliant ’star’ to the west just after sunset. For astronomers, we know it’s the appearance of the planet Venus, but noticing it for the average person brings on questions about the holidays. Was the Christmas Star real?
Regardless of your [...]
Photometry (Part 1)
Posted by: destinyofaries on: December 7, 2008
- In: Material
- 2 Comments
Photometry is a branch field of astrophysics which learned the quantity, quality, and the direction of the electromagnetic radiation from the sky’s objects. “Photo” in photometry which means “visual light” was used because the observation was used to limited in visual light.
Photometry was based on our knowledge about radiation law. We hypothesize [...]
Trivia : Identifying the constellation
Posted by: destinyofaries on: December 7, 2008
- In: trivia
- 2 Comments
Can you identify at least TWO constellations shown in the photograph above? Also, can you mention in what direction (north or south) this photograph was taken? You can submit the answer in the comment section.
Deepest Ultraviolet Image Shows a Sea of Distant Galaxies
Posted by: destinyofaries on: December 7, 2008
Dive right in to this image that contains a sea of distant galaxies! The Very Large Telescope has obtained the deepest ground-based image in the ultraviolet band, and here, you can see this patch of the sky is almost completely covered by galaxies, each one, like our own Milky Way galaxy, and home of hundreds [...]
Recent Comments