Black holes are time machines, with a catch
Black holes form natural time machines that allow travel to both the past and the future. But don’t expect to…
Astronomy
Hidden’ supernova remnants in the Milky Way are found
Researchers from the Evolutionary Map of the Universe (EMU) and PEGASUS programs have combined the resources of both initiatives to…
Conjunction of Venus and Saturn
A spectacular conjunction of Venus and Saturn will occur in the evening skies of January 22. The two planets will…
Gravitational Lensing of the Early Universe – MACS0647
Gravitational lensing by the galaxy cluster MACS0647, in which the massive foreground cluster distorts and lenses the light emitted by…
M54, THE FIRST INTERGALACTIC CLUSTER DISCOVERED
M54 was first discovered in 1778 by Charles Messier, who included it in his famous deep sky catalogue. For more…
These Huge Neutron Stars Existed For Less Than The Blink of an Eye
Not much can be achieved in a few hundred milliseconds. Yet for the neutron stars glimpsed in the glints of…
The “great design spiral” of the Phantom Galaxy has been beautifully photographed by the James Webb Space Telescope
The James Webb Space Telescope just published photographs of the magnificently spiral M74 Phantom Galaxy, demonstrating why it is humanity’s…
The Eagle and The Swan
The Eagle Nebula and the Swan Nebula span this broad starscape, a telescopic view toward the Sagittarius spiral arm and…
A CASCADE OF STARS IN THE GIRAFFE
One of the most beautiful asterisms to admire in the sky is Kemble’s Cascade, a series of 20 stars aligned…
A PRECIOUS ROCK
About 80,000 years ago, an enormous mixture of iron and nickel entered the Earth’s atmosphere. The original weight was 66…