Videos from Afternoon Astronomy Coffee

Every week, in universities and institutions around the world, astronomers meet over coffee to discuss the latest research in space and astronomy. This is your chance to join in on Thursdays, 3pm ET.

Found 50 videos in "Afternoon Astronomy Coffee" category

Comet Swarms or Alien Megastructures? The Strange Variations of the Star KIC 8462852

12th Jan, 2017 - 7277 views

A star with unusual changes in brightness was discovered the Kepler Mission Planet Hunters. This star is called KIC 8462852 or "Tabby’s star" and has strange irregular dips in brightness and also seemed to be getting fainter over the last 4 years.

The Nearest Earth-sized Planet Discovered Around Proxima Centauri

8th Sep, 2016 - 6314 views

Live chat at http://deepastronomy.com/live Also ask questions here: http://goo.gl/slides/nj9g8s ESO Press Release: http://www.eso.org/public/news/eso1629/ Proxima Centauri, the closest star to the Sun, is about 4 light-years from the Solar System.

Dragonfly 44: A Mysterious Galaxy Made of Mostly Dark Matter

8th Dec, 2016 - 5862 views

Hangout made possible by .SPACE Domains: https://goo.gl/j6BgTp If dark matter is, well, dark how can it be found? Remarkably, a team of astronomers found a galaxy made almost entirely of dark matter by using several powerful telescopes. The galaxy i

TESS First Discoveries Planets and So Much More

19th Feb, 2019 - 4348 views

NASA’s Transiting Exoplanet Survey Satellite (TESS) is an exciting mission anticipated to deliver a new catalog of extra-solar planets, many of them likely a few times the size of the Earth.

Latest Results from NASA's New Horizon Pluto Mission

27th Oct, 2016 - 4089 views

NOTE: Due to the poor video quality, the audio portion has been posted on the TWiST Podcast Stream here: http://deepastronomy.com/podcast/34/ep-31-pluto-new-horizons-latest. Here is a link to the graphics discussed: http://bit.ly/2f5jn8f Apparentl

Unusual Hot Jupiters

9th Feb, 2017 - 3957 views

Hot Jupiters are gas giant planets, somewhat similar to Saturn or Jupiter, but instead, they orbit very close to their host stars with orbital periods of less than 10 days. Because these planets are very near their parent star, they are heated to ext

One of the Fastest Spinning Black Holes Discovered!

26th Jan, 2017 - 3934 views

Black holes come in a variety of sizes from supermassive masses in galaxies to the mass of a single star. Objects even with stellar masses often emit X-rays and other radiation. The radiation comes from material near the black hole such as an accre

Why Are Distant Galaxies Aligned?

29th Jun, 2017 - 3551 views

The Hubble Space Telescope has observed massive, ancient galaxies in alignment in the distant universe. What is the significance of this alignment and why do these distant galaxies do that? We think that galaxies are scattered in the universe wit

A Gamma Ray Binary in Another Galaxy: A massive object paired with a crushed stellar core remnant

10th Nov, 2016 - 3472 views

Download all visuals here: http://bit.ly/2g1EQlo A search for binary stars that emit gamma-rays using NASA’s Fermi satellite turned up a luminous object in another galaxy. These objects are characteristically variable. Using additional telescopes

The Search for Planet 9: So, where is it? (audio remix)

11th May, 2018 - 3437 views

Astronomers believe there is an undiscovered super-Earth Sized planet lurking in our outer solar system. If it exists, then astronomers think it would have an estimated mass of ten Earths. So, where is it?

The Freezing of Io's Atmosphere During Eclipses of the Sun by Jupiter

22nd Sep, 2016 - 3252 views

Io is a moon of Jupiter which is volcanically active and, in fact, is the most active object in the solar system. This strong volcanism is stimulated by the gravitational interaction between Io and Jupiter. Not only that, Io’s volcanoes emit plumes

Neutron Decay and Parallel Universes Upcoming Experiment Explained

16th Jul, 2019 - 3222 views

In SFN #266 I reported about an experiment being planned at Oak Ridge National Laboratory that attempts to test an idea about parallel universes to help explain the difference in decay rates of neutrons from rest vs. those created in a beam from fiss