Planetary fragment identified in a disk of debris circling a dead star 400 light years away and is thought to be rich in heavy metals

Planetary fragment identified in a disk of debris circling a dead star 400 light years away and is thought to be rich in heavy metals
The white dwarf is surrounded by a ring of dust and debris and is making astronomers rethink the how planetary systems form
Often found around a star or black hole, we find out what an accretion disc is
Einstein predicted gravitational lensing over one hundred years ago
A white dwarf has been found lashing its red dwarf companion with a mysterious ray
Scientists have determined the likely cause for the most recent supernova in our galaxy
We caught up with Paul McNamara, lead scientist of LISA Pathfinder, before the mission’s launch
The shimmering colours visible in this new shot show off the object’s remarkable complexity
An alien world that looks billions of years younger than its actual age may have been found
We find out the answer to this intriguing question
Josh Barker from the National Space Centre answers this one for us.
Could worlds brimming with life orbit the dead stars known as white dwarfs? A duo of theoretical scientists think it’s possible.