試す 金 - 無料
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.
このストーリーは、BBC Sky at Night Magazine の October 2025 版からのものです。
Magzter GOLD を購読すると、厳選された何千ものプレミアム記事や、10,000 以上の雑誌や新聞にアクセスできます。
すでに購読者ですか? サインイン
BBC Sky at Night Magazine からのその他のストーリー
BBC Sky at Night Magazine
Crush: Close Encounters with Gravity
Gravity is something that we're all innately familiar with. It keeps our feet on the ground, fights against a rocket trying to leave Earth and governs the movement of the planets and stars.
1 mins
April 2026
BBC Sky at Night Magazine
Exploring the Universe
There's no shortage of children's books about astronomy.
2 mins
April 2026
BBC Sky at Night Magazine
Make your Milky Way images pop
Simple, free processing techniques using FastStone Image Viewer
3 mins
April 2026
BBC Sky at Night Magazine
Nightfaring: In Search of the Disappearing Darkness
This book is a manifesto for dark skies, written as a travel memoir.
1 mins
April 2026
BBC Sky at Night Magazine
Flying saucers- The making of a modern myth
Our obsession with UFOs goes back further than you might think. Robert Pateman traces how early science fiction, dubious sightings and an alien-mad media led to the 1950s saucer fever
9 mins
April 2026
BBC Sky at Night Magazine
STAR OF THE MONTH
Alphecca, the brightest jewel in the Crown
1 min
April 2026
BBC Sky at Night Magazine
How to use a planisphere
Navigate the sky with the original stargazer's tool. No batteries, apps or Wi-Fi required!
3 mins
April 2026
BBC Sky at Night Magazine
Why rockets don't launch straight up
For a rocket to get its payload into space, it has to follow a curved path. But what would happen if it didn't?
2 mins
April 2026
BBC Sky at Night Magazine
Q&A WITH A DARK MATTER SPECIALIST
Dark matter makes up 27 per cent of all matter in the Universe. So why is it so hard to find? Meet one of the people making a map that leads us to it
3 mins
April 2026
BBC Sky at Night Magazine
Why I want to put a hotel on the Moon
Bored of the beach? Sick of city breaks? Step this way. Space entrepreneur Skyler Chan explains how he'll build a holiday destination on the Moon by 2030
2 mins
April 2026
Listen
Translate
Change font size