Science news articles about 'cosmic distances'
To 300 million light years, and beyond -- a new way to measure cosmic distances
... error -- a rate typical of other methods that make up the cosmic distance ladder. "We hope to reduce that error ... every few days, make good distance markers in space because their period is directly ...New Gamma-Ray Burst Smashes Cosmic Distance Record
... from a star that died when the universe was only 630 million years old, or less than five percent of its present age. The event, dubbed GRB 090423, is the most distant cosmic explosion ever seen.New Gamma-Ray Burst Smashes Cosmic Distance Record
A gamma-ray burst detected by NASA's Swift satellite has smashed the previous distance record for the most powerful explosions in the Universe. Researchers are calling it 'an incredible find' and a ' ...Colliding White Dwarfs May Mimic Supernovae Used to Gauge Astronomical Distances
... explosions known as type Ia supernovae have proved invaluable to astrophysicists as markers of cosmic distance. Their brightness and consistency in observed properties allow astronomers to use them ...Cosmology's best standard candles get even better
... accurately than ever before. These exploding stars are the best standard candles for measuring cosmic distances, the tools that made the discovery of dark energy possible. SNfactory member Stephen ...Keck study sheds new light on 'dark' gamma-ray bursts
... thickening fog of hydrogen gas at increasing cosmic distances, astronomers see no visible ... led the study. If these galaxies were located at extreme distances, not even the Keck telescope could see them ...Variability of type 1a supernovae has implications for dark energy studies
... of dark energy and determine if it is constant or variable over time, scientists will have to measure cosmic distances with much greater precision than they have in the past. "As we begin the next ...Variability Of Type 1a Supernovae Has Implications For Dark Energy Studies
... used as "standard candles," their uniform brightness giving astronomers a way to measure cosmic distances and the expansion of the universe. But a new study reveals sources of variability in type 1a ...XMM-Newton uncovers a celestial Rosetta stone
... kind of supernova in a few million years. These supernovae are used as beacons to measure cosmic distances and ultimately understand the expansion of our Universe. Astronomers have been on the trail ...
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