Poging GOUD - Vrij
Betelgeuse's companion star confirmed
BBC Sky at Night Magazine
|October 2025
Century-old mystery solved with direct detection of a binary to the famous variable star
-
Betelgeuse is the 10th-brightest star in the night sky, 700 times the size of our Sun, and has fascinated humans for millennia. Now, at last, a 100-year-old mystery has been put to rest with the discovery of what causes it to dim every six years: a binary companion.
Dit verhaal komt uit de October 2025-editie van BBC Sky at Night Magazine.
Abonneer u op Magzter GOLD voor toegang tot duizenden zorgvuldig samengestelde premiumverhalen en meer dan 9000 tijdschriften en kranten.
Bent u al abonnee? Aanmelden
MEER VERHALEN VAN BBC Sky at Night Magazine
BBC Sky at Night Magazine
Turn mono Sun shots into fiery colour
A simple, free technique to take your solar images from greyscale to gold
3 mins
October 2025
BBC Sky at Night Magazine
Create a striking moonrise composite
Here's how to showcase the Moon's graceful ascent from the horizon
3 mins
October 2025
BBC Sky at Night Magazine
NOVAStar long eye relief planetary eyepieces
Striking views at a pocket-friendly price point? Seeing is believing...
4 mins
October 2025
BBC Sky at Night Magazine
THE SKY GUIDE CHALLENGE
Make a composite that reveals how the Moon's diameter changes over a lunar cycle
2 mins
October 2025
BBC Sky at Night Magazine
Create a striking moonrise composite
Here's how to showcase the Moon's graceful ascent from the horizon
2 mins
October 2025
BBC Sky at Night Magazine
Q&A WITH A FAST RADIO BURST EXPERT
A significant amount of the Universe's matter from the Big Bang is missing. Now scientists believe they've found it hiding between galaxies
3 mins
October 2025
BBC Sky at Night Magazine
Last chance for Titan transits
It'll be 13 years before Titan crosses Saturn again. Here's how to grab shots of it now
3 mins
October 2025
BBC Sky at Night Magazine
Ripples in time
A decade of gravitational wave detections In 2015, a new field of astronomy opened with the very first observation made beyond the electromagnetic spectrum. Elizabeth Todd looks at the milestone and what it meant
8 mins
October 2025
BBC Sky at Night Magazine
How to find a speck in space
New Horizons proves stellar parallax can locate a probe in the vastness, using the light of just two stars
4 mins
October 2025
BBC Sky at Night Magazine
FIRST CONTACT
Seven missions that gave us our first real look at alien worlds
6 mins
October 2025
Listen
Translate
Change font size