Space

Get Ready For The Sun's Magnetic Pole To Flip

Get Ready For The Sun's Magnetic Pole To Flip

In the next few months, something big is going to happen - but don't worry if you miss it, in about 11 years, it will happen again. The sun's vast magnetic field is about to flip. The sun's magnetic…
Comet ISON: A Tadpole Swimming In A Celestial Sea

Comet ISON: A Tadpole Swimming In A Celestial Sea

In this Hubble Space Telescope composite image taken in April 2013, the sun-approaching Comet ISON floats against a seemingly infinite backdrop of numerous galaxies and a handful of foreground stars…
How Do Quenched Galaxies Continue To Grow?

How Do Quenched Galaxies Continue To Grow?

When some galaxies stop forming new stars, they become "quenched". Quenched galaxies in the distant past appear to be much smaller than the quenched galaxies in the Universe today, which is…
Capturing Black Hole Spin In NLS1 PG1244+026

Capturing Black Hole Spin In NLS1 PG1244+026

Astronomers have found a new way of measuring the spin in supermassive black holes. By viewing optical, ultra-violet and soft x-rays generated by heat as the black hole fed, they were able to…