Astrophysics and cosmology Archives – Page 54 of 57

Cosmology not constant

A simulation of the evolution of the universe suggests that it is expanding at an accelerating rate. This is more evidence for the existence of Einstein’s cosmological constant a kind of ...

Astrowatch

Millennium ‘delayed’ by space mission to Saturn Hold the champagne! Millennium celebrations throughout the world will be delayed. The culprit is the Cassini-Huygens space mission, which fl...

Looking at cosmic rays with accelerator detectors

Large detectors constructed at accelerator labs can also be used in parallel for cosmic-ray studies. Effects measured in distant detectors could be correlated to provide a broader view of particles fr...

Pulsars as Astrophysical Laboratories for Nuclear and Particle Physics

The physics of neutron stars of which there are estimated to be about one billion in the Milky Way alone is covered, along with Strange quark matter when additional quarks come into play beyo...

Chandra blasts off

An X-ray equivalent of the Hubble Space Telescope, the Chandra X-ray observatory, was launched on 23 July. Astronomers look forward to a new view of the violent universe with the highest-quality image...

Astrowatch

Gemini to see furthest stars Cosmology gains a twin as the first of two new international telescopes starts observations. The Gemini pair will explore the skies in both the northern and southern hemis...

Fundamental physics in space

What better way of launching science in the new millennium than embarking on a programme of fundamental physics research in space? Maurice Jacob looks at existing plans and new possibilities.

Space agency looks to the future

“The decisions taken here in Brussels will set the direction for the agency for the next five years and beyond,” said European Space Agency (ESA) director Antonio Rodota, following a meeti...

Astrowatch

Planck and FIRST given go-ahead The planning of two major astrophysics missions has been approved by ESA’s scientific policy committee. The satellites Planck and FIRST will be launched together ...