Prøve GULL - Gratis
RARE GREEN COMET SEEN RACING THROUGH THE SKY FOR THE FIRST TIME IN MORE THAN 50,000 YEARS
BBC Science Focus
|March 2023
The comet, C/2022 E3 (ZTF), last Neanderthals passed by when walked the Earth
-

Anyone looking to the stars in early February may have been treated to a rare sight. The luminous green A comet C/2022 E3 (ZTF) could be seen making its way across the night sky as it made a close flyby of Earth. While some comets are reasonably regular visitors Halley's Comet, for example, comes past us every 75 to 79 years - C/2022 E3 (ZTF) only makes the trip once every 50,000 years.
Denne historien er fra March 2023-utgaven av BBC Science Focus.
Abonner på Magzter GOLD for å få tilgang til tusenvis av kuraterte premiumhistorier og over 9000 magasiner og aviser.
Allerede abonnent? Logg på
FLERE HISTORIER FRA BBC Science Focus

BBC Science Focus
ART FOR HEART'S SAKE
Practising art - or just looking at it - can improve your health. Here's why we shouldn't brush off the benefits
2 mins
September 2025

BBC Science Focus
I KEEP HAVING NIGHTMARES. SHOULD I BE WORRIED?
Most of us have the odd bad dream. But if you're regularly waking in a cold sweat, you might be wondering: is it just stress, or something more serious?
1 min
September 2025

BBC Science Focus
THE PLATYPUS
When European scientists first set eyes on the platypus, in the form of a pelt and a sketch shipped over from Australia in 1798, they couldn't believe it.
2 mins
September 2025

BBC Science Focus
THE EXPERTS' GET-TO-SLEEP-QUICK TRICKS
Everyone has trouble sleeping from time to time, even the scientists who spend every waking hour studying it. So, what steps do the experts take when they can't drop off?
7 mins
September 2025

BBC Science Focus
DO ANY FOODS TASTE BETTER IN SPACE?
Not usually.
1 min
September 2025

BBC Science Focus
WAS THE SEA ALWAYS BLUE?
Our planet has had an ocean for around 3.8 billion years, but new research suggests it hasn't always been blue.
1 mins
September 2025

BBC Science Focus
HOW MUCH OF THE OCEAN IS JUST WHALE PEE?
It's not true that the seas are salty because of whale pee, although a single fin whale can produce as much as 250 gallons of urine a day.
1 mins
September 2025

BBC Science Focus
Do pheromones control human attraction?
Could invisible chemical signals sway our behaviour, or who we're attracted to - all without us knowing?
4 mins
September 2025

BBC Science Focus
EDITOR'S PICKS...
This month's smartest tech
3 mins
September 2025

BBC Science Focus
ASTRONOMY FROM THE FAR SIDE
THERE'S ONLY ONE PLACE TO GO IF WE WANT TO CATCH SIGHT OF THE COSMIC DAWN
7 mins
September 2025
Translate
Change font size