Using these supernovae they have traced the expansion history of the universe with unprecedented accuracy and sharpened our knowledge of what it might be that…
The prize is given each year by the High Energy Astrophysics Division (HEAD) of the American Astronomical Society (AAS), the largest professional organization…
An international team of scientists — including physicists from the University of Calgary — will begin gathering the most detailed information yet about the…
At the first in a series of stakeholder consultation workshops held in Edinburgh on the 8/9th January 2007, hosted by the European Space Agency [ESA] and the…
QinetiQ's T5 ion thrusters will provide high precision drag compensation for the European Space Agency (ESA) GOCE spacecraft, due for launch later this year….
As Comet McNaught heads towards its closest approach to the Sun on 12 January 2007, it will disappear from view for earthbound observers, becoming lost in the…
This is the first definitive measurement of the porosity of dust outside our solar system, and is akin to looking back 4 billion years into the early days of…
“Given their distance, the light that we see today from these clusters was emitted more than one billion years ago and may hold important clues for…
A light echo was produced when X-ray light generated by gas falling into the Milky Way's supermassive black hole, known as Sagittarius A* (pronounced…
The satellites, all carrying identical suites of electric, magnetic, and particle detectors, are part of the NASA THEMIS mission (for “time history of events…
Quasars were discovered 40 years ago, when astronomers noticed that theseobjects – thought at the time to be stars – were emitting far more radio waves than…
Frederic Rasio, a theoretical astrophysicist and professor of physics and astronomy in the Weinberg College of Arts and Sciences at Northwestern, presented the…
The reason apparently is supersonic winds, perhaps as strong as 9,000 miles an hour, that constantly churn the planets' atmospheres and keep temperatures on…
Found within the Small Magellanic Cloud – a galactic neighbor of the Milky Way – the large region of ionized hydrogen gas is designated “LHa115-N19,” and…
This new view of the debris of an exploded star helps astronomers solve a long-standing mystery, with implications for understanding how a star's life can end…
Ongoing observations of the exploded star, called supernova 1987A, provided important tests for theories of how stars die, but it also raised some new…
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