Well, good news! Time to talk about Betelgeuse. Why it might be dimming and what could happen if it explodes as a supernova. #365DaysOfAstro
Feb 24th: Betelgeuse
Astronomy Cast Archive
Feb 17th: The Surface of the Sun
A brand new telescope has completed on Maui’s Haleakala, and it has just one job: to watch the Sun in unprecedented detail. It’s called the Daniel K. Inouye telescope, and the engineering involved to get this telescope operational are matched by the incredible resolution of its first images.
Feb 10th: Supernova SN 2006gy
We’ve been following this story for more than a decade, so it’s great to finally have an answer to the question, why was supernova 2006gy so insanely bright? Astronomers originally thought it was an example of a supermassive star exploding, but new evidence provides an even more fascinating answer.
Feb 3rd: Red dwarfs: Friend or Foe
Red dwarfs are the longest lived stars in the Universe, the perfect place for life to hang out for trillions of years. But they’re tempestuous little balls of plasma, hurling out catastrophic flares that could wipe away life. Are they good or bad places to live?
Jan 27th: Multi Messenger Astronomy
Now astronomers can study objects in both visible light, neutrinos, gravitational waves and more. The era of multi-messenger astronomy is here.
Jan 20th: Satellite Constellations and the Future of Astronomy
There are already 180 Starlinks in orbit, & thousands more are coming. What will be the impact on astronomy & what can we do about it?
Jan 13th: Big Telescope Controversy in Hawai’i
In this episode they talk about the issues surrounding the construction of the Thirty Meter Telescope on Mauna Kea.
Jan 6th: What To Look Forward To In 2020
Let’s take a look at some of the space and astronomy stories we’re looking forward to in 2020. More with @AstronomyCast at #365DaysOfAstro
Dec 30th: Boyajian’s star and other strange stars
Today we’re going to talk about some unusual objects astronomers have discovered, and why this number is only going to go way way up.
Dec 23rd: Missing Epochs: Observing before the CMBR
There are regions which we still haven’t seen: the Cosmic Dark Ages. What’s it going to take to observe some of these earliest moments in the Universe?