Results tagged “quasar”

Storm In A Cosmic Teacup

This image shows a quasar nicknamed the Teacup due to its shape. A quasar is an active galaxy that is powered by material falling into its central supermassive black hole.

The question of how quickly the universe is expanding has been bugging astronomers for almost a century. Different studies keep coming up with different answers -- which has some researchers wondering if they've overlooked a key mechanism in the machinery that drives the cosmos.

Physicists have provided strong support for quantum entanglement, the seemingly far-out idea that two particles, no matter how distant from each other in space and time, can be inextricably linked, in a way that defies the rules of classical physics.

Astronomers with the Sloan Digital Sky Survey (SDSS) announced that a distant quasar ran out of gas.

At the ends of the Universe there are black holes with masses equaling billions of our sun. These giant bodies - quasars - feed on interstellar gas, swallowing large quantities of it non-stop.

QSO 0957+561: Hubble's Double Take

In this new Hubble image two objects are clearly visible, shining brightly. When they were first discovered in 1979, they were thought to be separate objects -- however, astronomers soon realized that these twins are a little too identical!

For the first time, astronomers have seen the image of a distant quasar split into multiple images by the effects of a cloud of ionized gas in our own Milky Way Galaxy.

Hubble astronomers have looked at one of the most distant and brightest quasars in the universe and are surprised by what they did not see: the underlying host galaxy of stars feeding the quasar.

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