MY AMERICAN SCIENTIST
LOG IN! REGISTER!
SEARCH
 
RSS
Logo IMG
HOME > SCIENCE IN THE NEWS > Science Detail

SCIENCE IN THE NEWS DAILY

White Dwarf Star Measurements Bring Milky Way into Focus

from the Los Angeles Times (Registration Required)

White dwarf stars are dying stars--burned-out cinders that have exhausted the hydrogen that sustains them. But scientists may soon count on these stellar flameouts to unravel the history of the Milky Way.

In a study published online Wednesday by the journal Nature, astronomer Jason Kalirai described a new technique for calculating the masses and ages of old stars based on the masses of the white dwarfs they have become.

The new information will help researchers better understand the formation of Earth's galaxy. "If we want to assess when components of the Milky Way formed, we need the ages of the stars," said Kalirai, who is based at the Space Telescope Science Institute in Baltimore.

Read more...

 

Connect With Us:

    Pinterest Icon Google+ Icon Twitter Icon Facebook Icon Sm


Subscribe to Our Content!

Visit our RSS Feeds page to choose among 13 customized feeds, or create a free My AmSci account to request an email notice whenever a specified author, department or discipline appears online.


Subscribe to Free eNewsletters!

  • Sigma Xi SmartBrief:

    A free daily summary of the latest news in scientific research. Each story is summarized concisely and linked directly to the original source for further reading.

  • American Scientist Update

  • An early peek at each new issue, with descriptions of feature articles, columns, Science Observers and more. Every other issue contains links to everything in the latest issue's table of contents.

  • Scientists' Nightstand

  • News of book reviews published in American Scientist and around the web, as well as other noteworthy happenings in the world of science books.

    To sign up for automatic emails of the American Scientist Update and Scientists' Nightstand issues, create an online profile, then sign up in the My AmSci area.


EMAIL TO A FRIEND :

Of Possible Interest

Science In The News Daily: Particles Point Way for NASA's Voyager

Science In The News Daily: X-Ray Telescope Promises Insight into Black Holes

Science In The News Daily: At Home in the Universe

Subscribe to American Scientist