Welcome

Editor Chris Bramley welcomes you to the October issue

Eye on the sky

A newly released image shows the ‘light echoes’ from a briefly reignited black hole

FIRST LIGHT OPTICS

www.firstlightoptics.com

Sample slip-up for Mars rover Perseverance

Rock specimen appears to have crumbled when it was picked up

Tiny planet could be water world

The body is the smallest exoplanet ever measured by looking at its star’s wobble

Galaxy arms feed hungry black holes

The structures slow down gas until it falls to a galactic centre

Sun’s supernovae siblings kept Earth warm

Radioactive elements source is discovered in Ophiuchus

News in brief

A brief roundup of the latest astronomy news

Recent volcanism seen on Venus

Planet may not have been dormant for as long as believed

Origin of Curiosity site in doubt

New research suggests that region is formed by sand and silt deposited by the wind