Archive – Page 17 – Astronomy Now

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.

Make eyes at Messier 64, the Black Eye Galaxy

15 May 2023 Mark Armstrong

There are so many bright galaxies to choose from in springtime, but one you definitely shouldn’t miss is the marvellous ‘Black Eye Galaxy’, or Messier 64.

A record-setting explosion as a supermassive black hole gorges on gas

15 May 2023 Astronomy Now

A supermassive black hole gorging on surrounding gas produces the brightest ongoing explosion yet observed.

Globular cluster mystery may be explained by short-lived ultra-massive suns

13 May 2023 Astronomy Now

Webb telescope observations indicate super-massive stars in an infant galaxy that may explain the elemental abundances in globular clusters.