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Aging star's weight loss secret revealed

A team of astronomers using ESO's Very Large Telescope has captured the most detailed images ever of the hypergiant star VY Canis Majoris. These observations show how the unexpectedly large size of the particles of dust surrounding ...

date1 hour ago in Astronomy
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Cool, dim dwarf star is magnetic powerhouse

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered that a dim, cool dwarf star is generating a surprisingly powerful magnetic field, one that rivals the most intense magnetic regions ...

dateNov 19, 2015 in Astronomy
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A hot Jupiter around a sun-like star

There are almost 1800 confirmed exoplanets known today, and over 4000 exoplanet candidates. Astronomers have obtained estimates for the masses and radii (and hence the average densities) of over four hundred of these confirmed ...

dateNov 18, 2015 in Astronomy
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Inferring the star formation rates of galaxies

Our Milky Way galaxy produces on average a few new stars every year across the entire system. Massive young stars emit large amounts of ultraviolet radiation which heats the local dust, and so the star formation process results ...

dateNov 23, 2015 in Astronomy
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Dark matter dominates in nearby dwarf galaxy

Dark matter is called "dark" for a good reason. Although they outnumber particles of regular matter by more than a factor of 10, particles of dark matter are elusive. Their existence is inferred by their gravitational influence ...

dateNov 18, 2015 in Astronomy
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