Science Updates - A look at CfA discoveries from recent journals

July 18, 2014

Our Milky Way galaxy is a barred spiral galaxy, a flattened disk of stars, gas and dust about 100,000 light-years in diameter containing several hundred billion stars.

July 11, 2014

The universe contains some galaxies more than a thousand times brighter than our own Milky Way galaxy. Many of them are practically invisible at optical wavelengths because the star formation that powers their emission is buried deep inside obscuring clouds of dust, but at infrared wavelengths the starlight-heated dust glows brightly.

young stellar object
July 4, 2014

Astronomers in the past decade have been able to examine some of the key physical processes underway in early stages of stellar gestation, thanks in part to submillimeter and infrared telescopes that can peer through the heavy obscuration of dust in the birth clouds.