Astrophysics and cosmology Archives – Page 45 of 58

COSMO-02 views the universe from Chicago

Christian Armendáriz-Picón and Géraldine Servant report from the sixth conference in the COSMO series.

Understanding the physics of the universe

A new institute at Stanford comes at just the right time, says Roger Blandford, future director of the Kavli Institute for Particle Astrophysics and Cosmology.

Gravitational lens sheds light on dark energy

Observations of radio emission from distant quasars have given new weight to the theory of dark energy – a kind of vacuum energy density that changes the acceleration of the universe. Quasars ar...

Cosmic accelerator reveals hot spots

Radio galaxies are characterized by enormous jets, up to millions of light-years across, shooting out charged particles at up to almost the speed of light. Bright spots of emission are seen at the end...

DASI measures CMB polarization

The Degree Angular Scale Interferometer (DASI) has announced the first measurements of the polarization of cosmic microwave background (CMB) radiation.

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2002 Nobel Prize for Physics is announced

The Royal Swedish Academy of Sciences has awarded this year's Nobel Prize for Physics to three astrophysics pioneers.

Gamma-ray facility inaugurated in Namibia

The first telescope of the high-energy stereoscopic system (HESS), named in honour of Victor Hess, the discoverer of cosmic radiation, was officially inaugurated in Namibia in September.

Happy 40th birthday to ESO

This autumn, the European Southern Observatory (ESO) celebrates its 40th anniversary. As current ESO director Catherine Cesarsky looks back fondly on the last four decades, she remembers “one fu...

VLT to help map the universe

Attempting to measure the evolution of the universe requires a huge sample of objects. Observations of millions of galaxies, looking further and further back in time, are needed to make an enormous 3D...