HUBBLE’S LEGACY: THE MYSTERY OF DARK ENERGY A new mission joins the 20-year search for answers

APRIL 2020

Sky at Nightht

THE UK’S BEST SELLING ASTRONOMY MAGAZINE

D D D 50TH ANNIVERSARY E E E

APOLLO 13

The epic story of the stranded crew and the mission controllers who brought them back

VISITING THE SISTERS This month, see Venus in

the Pleiades and more

METEORS, MINUS THE MOONLIGHT

Prepare for the Lyrids with our expert observing guide

DIVIDING THE CROWD Can diffraction spikes be used responsibly?

TRIPLET ON TEST

We look through Altair’s new short-tube scope