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Extra content ONLINE Visit www.skyatnightmagazine. com/bonus-content/UTDXPBX to access this month’s selection of exclusive Bonus Content
MARCH HIGHLIGHTS
Inter view: When white dwarfs collide
Astronomer Robert Fesen reveals how he observed an 850-year-old stellar collision, and looks at its implications.
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This month’s contributors
Maria-Theresia Walach
Ionosphere scientist
“The aurorae allow us to see the interaction between what’s in space and Earth’s atmosphere, and interrogate the physics that drives this incredible phenomenon.” Discover the science of the aurorae, page 28
Steve Richards Expert astronomer
“Patrick Moore’s 100th birthday is a great excuse to explore his own deep-sky catalogue and observe some wonderful celestial objects.” Join our tour of 10 Caldwell Catalogue targets on view this month, page 66
Melissa Brobby Science community
“It was fascinating to learn from Dr Gramellini about how neutrinos could hold the key to understanding our Universe.” Turn to page 98 to find out how these tiny particles could solve the riddle of antimatter
View our online astrophoto galler y See this month’s selection of photos captured by Sky at Night Magazine readers and humanity’s most powerful telescopes.
Access ex tra observing materials t
Download and print out forms to sketch and record your planetary observations throughout the year ahead.
The Vir tual Planetarium
Pete Lawrence and Paul Abel guide us through the best sights to see in the night sky this month.
March 2023 BBC Sk y at Night Magazine 5
