Cosmic Search for a Missing Limb

This new Picture of the Week, taken by the NASA/ESA Hubble Space Telescope, shows the dwarf galaxy NGC 4625, located about 30 million light-years away in the constellation of Canes Venatici (The Hunting Dogs). The image, acquired with the Advanced Camera for Surveys (ACS), reveals the single spiral arm of the galaxy, which gives it an asymmetric appearance. But why is there only […]

Read More Cosmic Search for a Missing Limb

Jupiter’s Colourful Clouds

By Calla Cofield Jupiter’s southern hemisphere is a swirling, curling sea of colorful clouds in a new image from NASA’s Juno spacecraft and two citizen scientists. The new image comes from data collected by the JunoCam instrument on Oct. 24, 2017, as Juno performed its ninth close flyby of Jupiter (its eighth science flyby), according to a statement […]

Read More Jupiter’s Colourful Clouds

Cosmic Radiation

Cassiopeia A is a famous supernova remnant, the product of a gigantic explosion of a massive star about 350 years ago. Although discovered in radio observations 50 years ago, we now know that its emitted radiation spans from radio through high-energy gamma rays. It is also one of the few remnants for which the birth […]

Read More Cosmic Radiation

The Moon is Full of Money

By Pope Brock was slung in my favorite deck chair, drink in hand, having a gawk at the night sky. Andromeda, Pisces … I trawled the constellations, mind abandoned, still aware in some curve at the back of my brain that the world is coming apart at the seams and we’re all fucked, and enjoying […]

Read More The Moon is Full of Money