A Gap in TW Hydrae’s Disk
Recent observations of TW Hydrae, a star just 176 light-years away, have confirmed the existence of a gap within the disk surrounding it. Could this be a sign of an orbiting planet?
Highlights RSS
AAS Publishing: What Can WorldWide Telescope Do for You?
WorldWide Telescope has moved to the AAS! Read on to find out how you can use WWT for research, education, and fun.
The Hunt for Dwarf Galaxies’ Ancestors
Can we detect the distant ancestors of local dwarf galaxies? A recent study aims to find out.
AAS 227: Day 4
Reporting from the fourth day at the 227th AAS Meeting in Kissimmee, FL. Follow along for the latest updates!
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.