More “Voorwerps”?
- By Maggie Masetti
- April 16, 2015
- Comments Off on More “Voorwerps”?
Back in 2010, Koji wrote a guest blog for us on Hanny’s Voorwerp. What is this? Back in 2007, a Dutch woman named Hanny van Arkel discovered an odd and until then unclassified ghostly gaseous structure near the galaxy IC 2497 while using the citizen science site, Galaxy Zoo. The … Continue Reading →
Awesomeness Round-up – 7/26/11
- By Maggie Masetti
- July 26, 2011
- 3 Comments
The James Webb Space Telescope has had a lot of recent milestones. All the primary mirror segments have been polished – and the secondary mirror has just been completed. You can read a NASA web feature all about what Webb’s secondary mirror does and why it’s important. (It’s quite large … Continue Reading →
Awesomeness Round-up – 12/13/10
- By Sara Mitchell
- December 13, 2010
- 1 Comment
Credit: Photo by Drew Noel One of the James Webb Space Telescope’s many feats of engineering will be its actuators – tiny mechanical motors on the back of its primary and secondary mirror segments that will help the telescope focus by changing the mirrors’ curvature. You can’t see the actuator … Continue Reading →
The Mystery of Hanny’s Voorwerp
- By Koji Mukai
- December 10, 2010
- 1 Comment
Astronomical headlines are often written about an object that was observed recently. It could be about the brightest stellar flare ever seen, the most recently formed black hole, or a newly discovered eclipsing pulsar that allows a strict test of general relativity. But a few headlines are about the “dog … Continue Reading →