Astronomy & Space news

Water was plentiful in the early universe

Astronomers have long held that water—two hydrogen atoms and an oxygen atom—was a relative latecomer to the universe. They believed that any element heavier than helium had to have been formed in the ...

dateMay 13, 2015 in Astronomy
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VLT discovers new kind of globular star cluster

Observations with ESO's Very Large Telescope in Chile have discovered a new class of 'dark' globular star clusters around the giant galaxy Centaurus A. These mysterious objects look similar to normal clusters, ...

dateMay 13, 2015 in Astronomy
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Delta Cephei's hidden companion

To measure distances in the universe, astronomers use cepheids, a family of variable stars whose luminosity varies with time. Their role as distance calibrators has brought them attention from researchers ...

dateMay 12, 2015 in Astronomy
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Ceres animation showcases bright spots

The mysterious bright spots on the dwarf planet Ceres are better resolved in a new sequence of images taken by NASA's Dawn spacecraft on May 3 and 4, 2015. The images were taken from a distance of 8,400 miles ...

dateMay 11, 2015 in Space Exploration
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The cosmic evolution of galaxies

Our knowledge of the big bang has increased dramatically in the past decade, as satellites and ground-based studies of the cosmic microwave background have refined parameters associated with the very early ...

dateMay 11, 2015 in Astronomy
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An improved model for star formation

Star formation, once thought to consist essentially of just the simple coalescence of material by gravity, actually occurs in a complex series of stages. As the gas and dust in giant molecular clouds come ...

dateMay 08, 2015 in Astronomy
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