Read article 'Modern Cosmology and Particle Astrophysics'
Modern Cosmology and Particle Astrophysics
Paul H Frampton reviews in 2003 Modern Cosmology by Scott Dodelson and Particle Astrophysics by Donald Perkins.
Read article 'Modern Cosmology and Particle Astrophysics'
Read article 'Laser spectroscopy tests for inconstant constants'
Laser spectroscopy tests for inconstant constants
Recent astrophysical measurements of distant quasar spectra indicate that the fundamental constants may be changing with time.
Read article 'Gamma-ray burst supports hypernova hypothesis'
Gamma-ray burst supports hypernova hypothesis
After decades of speculation on the nature of gamma-ray bursts (GRBs), the very bright event known as GRB030329 is finally unveiling their origin.
Read article 'Hot gas reveals cold dark matter'
Hot gas reveals cold dark matter
The long controversy between cold-dark-matter and hot-dark-matter models is rapidly nearing an end. A recent study of the X-ray emission of hot gas in a massive cluster of galaxies has allowed astrono...
Read article 'Gamma-ray bursts made by supernovae'
Gamma-ray bursts made by supernovae
The discovery of the supernova SN2003dh at the location of the Gamma-ray burst GRB030329 enlightens the search for the origin of GRBs.
Read article 'The race to observe gamma-ray bursts'
The race to observe gamma-ray bursts
After the precise localization of a new gamma-ray burst, several institutes try to obtain an image of its optical counterpart as quickly as possible.
Read article 'Neutrinos: universal messengers at all scales'
Neutrinos: universal messengers at all scales
The beautiful interior of the San Vidal church in Venice was the setting for a workshop on neutrino telescopes, which looked at the many messages neutrinos carry.
Read article 'Neutrinos limit role of CNO cycle'
Neutrinos limit role of CNO cycle
The Sun burns through various nuclear reactions with the same net effect - the fusion of four protons to form a nucleus of helium, with the release of energy.
Read article 'Universe may end in a Big Rip'
Universe may end in a Big Rip
“Some say the world will end in fire, Some say in ice” wrote the poet Robert Frost in 1916. A third, even more fantastic possibility for the death of the universe has just been proposed. T...
Read article 'Microwaves map the early universe in detail…'
Microwaves map the early universe in detail…
The eagerly awaited first full-sky map from the Wilkinson Microwave Anisotropy Probe (WMAP) has been released by NASA. The satellite, which has been observing the cosmic microwave background radiation...
