CORRECTIONS

In the ‘Edwin Hubble’ section of the feature ‘Hubble turns 30’ on page 33 of the May 2020 issue, the accelerating expansion of the Universe is attributed to dark matter, when it is dark energy that scientists put the acceleration down to.

On page 39 of the May 2020 issue Shaoni Bhattacharya is credited as the author of Secrets in the Skies: Galileo and the Astonishing Solar System.

The book’s authors are Giles Sparrow and James Weston Lewis.

In the table of brightest comets on page 65 of the May 2020 issue, Comet C/2006 P1 McNaught’s peak magnitude is given as +5.5, when its peak magnitude was –5.5.

In the caption of the image of a Kreutz comet on page 66 of the May 2020 issue, the SOHO spacecraft was described as a NASA mission, when it is a joint ESA/NASA endeavour.