Archive – Page 15 – Astronomy Now

Phosphorous detection strengthens case for Enceladus’ habitability

16 June 2023 Astronomy Now

Researchers find high concentrations of phosphorous in water ice spewed from Saturn’s moon Enceladus, more evidence of a habitable sub-surface environment.

Best evidence yet for second supermassive black hole orbiting more massive companion

7 June 2023 Astronomy Now

Emissions from a supermassive black hole orbiting a much more massive hole at the heart of a brilliant quasar have finally been detected.

Gemini North back in action in spectacular fashion after mirror repair, recoating

7 June 2023 Astronomy Now

Back in action after its primary mirror was repaired and recoated, the Gemini North Telescope captures a spectacular view of a just-discovered Type II supernova in the Pinwheel Galaxy.

New software shows promise for coping with photobombing satellites

6 June 2023 Astronomy Now

Astronomers develop software to help eliminate streaks marring Hubble Space Telescope images caused by rapidly increasing numbers of Earth-orbiting satellites.

Vela supernova remnant in all its glory as seen by ESO’s OmegaCAM

1 June 2023 Astronomy Now

The Vela supernova remnant just 800 light years away shows the awesome aftermath of a Type II supernova that exploded some 11,000 years ago.

Webb spots vast plume of water vapor spewing from Saturn’s moon Enceladus

1 June 2023 Astronomy Now

Despite the huge distance to its target, the Webb telescope has managed to “see” a vast plume of water vapour jetting from geysers on Saturn’s moon Enceladus.

Galaxy NGC 4565: Coma’s edge-on wonder

29 May 2023 Mark Armstrong

It’s quite an accolade for NGC 4565, a stunning edge-on galaxy in Coma Berenices that’s also known as Caldwell 38 and the Needle Galaxy, to be widely regarded as the finest in its class.

Seeing the universe in X-rays, optical and infrared, all at once

26 May 2023 Astronomy Now

New images of two galaxies, a star cluster and the famed “Pillars of Creation” showcase the value of multi-wavelength astronomy when it comes to seeing the Big Picture.

Call on the Coma Star Cluster

23 May 2023 Mark Armstrong

Melotte III is a sprawling open cluster that can be spotted with the naked eye tucked away in far north-west of Coma Berenices.

Searching for hidden black holes in the hearts of densely-packed globular clusters

23 May 2023 Astronomy Now

Some tightly-packed globular clusters show signs of unseen black holes affecting the movements of their stars. Astronomers are using the Hubble Space Telescope to look for evidence of such hidden monsters.