News tagged with stellar core

Hubble sees an aging star wave goodbye

This planetary nebula is called PK 329-02.2 and is located in the constellation of Norma in the southern sky. It is also sometimes referred to as Menzel 2, or Mz 2, named after the astronomer Donald Menzel who discovered ...

dateOct 12, 2015 in Astronomy
shares1824 comments 26

A 3-D model of stellar core collapse

( —What happens when massive stars collapse? One potential result is a core-collapse supernova. Astronomers can make observations of such events that tell us what is happening on the surface of a star when it explodes ...

dateMay 02, 2014 in Astronomy
shares0 comments 0

Hubble eyes a smoldering star

( —This new image, snapped by NASA/ESA Hubble Space Telescope, shows the star HD 184738, also known as Campbell's hydrogen star. It is surrounded by plumes of reddish gas—the fiery red and orange hues are caused ...

dateSep 23, 2013 in Astronomy
shares0 comments 0

The violent birth of neutron stars

( —A team of researchers at the Max Planck Institute for Astrophysics conducted the most expensive and most elaborate computer simulations so far to study the formation of neutron stars at the center of collapsing ...

dateJun 27, 2013 in Astronomy
shares0 comments 4

The Helix nebula: Bigger in death than life

(—A dying star is refusing to go quietly into the night, as seen in this combined infrared and ultraviolet view from NASA's Spitzer Space Telescope and the Galaxy Evolution Explorer (GALEX), which NASA has lent ...

dateOct 04, 2012 in Astronomy
shares0 comments 2

Stellar embryos

( -- Stars form as gravity coalesces the gas and dust in interstellar clouds until the material produces clumps dense enough to become stars. But precisely how this happens, and whether or not the processes are ...

dateJan 23, 2012 in Astronomy
shares0 comments 6