AAS 227: Day 4
Reporting from the fourth day at the 227th AAS Meeting in Kissimmee, FL. Follow along for the latest updates!
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AAS 227: Day 3
Reporting from the third day at the 227th AAS Meeting in Kissimmee, FL. Follow along for the latest updates!
AAS 227: Day 2
Reporting from the second day at the 227th AAS Meeting in Kissimmee, FL. Follow along for the latest updates!
AAS 227: Day 1
This week we’re at the 227th AAS Meeting in Kissimmee, FL. Follow along for the latest updates from the meeting!
AAS 227: Welcome!
This week we’ll be bringing you updates from the 227th AAS meeting in Kissimmee, FL.
Selections from 2015: Close Encounter of Our Solar System with Another Star
A low-mass binary star system passed by our solar system only 70,000 years ago, clipping the outer edge of the Oort cloud as it passed.
Selections from 2015: Earth-Sized Planet Found in Star’s Habitable Zone
In July, a team reported the discovery of Kepler-452b, the first near-Earth-size world to be found in the habitable zone of star that is similar to our Sun.
Selections from 2015: Two Kinds of Type Ia Supernovae
Two different color classes of type Ia supernovae have been discovered. This discovery may mean that supernovae-based measurements of distances are inaccurate.
Selections from 2015: An Ancient System of Small Planets
Kepler-444 is a system of five sub-Earth-sized planets transiting a Sun-like star. This ancient system has been measured to be 11 billion years old.
Selections from 2015: Mixing in Two Stars that Touch
The binary star system VFTS 352 is an “overcontact binary” — the two stars orbit each other so closely that they actually touch!
Selections from 2015: EGSY8p7, the Galaxy Far, Far Away
EGSY8p7 has a spectroscopic redshift of z=8.68, making it the most-distant known object in the universe.
Selections from 2015: Discovery of Diffuse Galaxies in the Coma Cluster
A survey of the Coma galaxy cluster unexpectedly revealed 47 diffuse, uncataloged galaxies roughly the size of the Milky Way.