WHAT WE DON’T KNOW ABOUT THE UNIVERSE

#221 OCTOBER 2023

Sky at Night

THE UK’S BEST-SELLING ASTRONOMY MAGAZINE TH BEST SEL ING AS RONOM MAGAZINE

RING OF

FIRE

Discover what’s behind the stunning solar eclipse sweeping

the Americas this month

SEE ALL THE WINNERS

INSIDE!

BOOST YOUR STARGAZING WITH 10 FRESH TARGETS COMET WATCH: HARTLEY 2 REACHES PEAK BRIGHTNESS

MISSION TO PROSPECT A FULL-METAL ASTEROID

12-BILLION-YEAR-OLD ORGANIC MOLECULES

CAPTURE A LUNAR ECLIPSE’S COLOURS