June 18, 2019

October 2009: Life in the AstroBlog-o-Sphere.

(Editor’s note: If case you haven’t noticed, we’re shaking things up here a bit at Astroguyz. Specifically, our news bits have gone to a daily affair, to allow for more nimble and timely coverage. It’s a swiftly changing world out there in the realm of space blogging, and Astroguyz is right there with you! Our monthly news round up will instead be a sneak peak at the month ahead, some bits old and some new. Read on…

Coming to an October Sky near you: This month, all telescopes will be turned on the south pole of the Moon on the 9th as the Delta Centaur upper stage known as LCROSS slams into the lunar surface. Will anything be visible? The only sure way to know is to look! The Harvest Full Moon, a rarity for October, arrives this month on the 4th. [Read more...]

September 2009:News & Notes.

Is Betelgeuse shrinking? Everyone’s favorite candidate for a nearby supernova has been exhibiting some alarming behavior as of late. The red giant star Betelgeuse, located in the shoulder of Orion, has decreased in size by 15 percent since 1993, equating to a loss of 1% of diameter per year. The finding comes from monitoring conducted by researchers at the University of Berkeley using the Infrared Spatial Interferometer atop Mount Wilson. This shrinkage is all the more stupefying when one considers that recent research places Betelgeuse at a distance of 640 light years, making this bloated star over 5 astronomical units in diameter! AAVSO volunteers that have been monitoring the star have noted that the shrinkage has not been accompanied by a magnitude drop. [Read more...]