NASA Hubble Helps Detect ‘Wake’ of Betelgeuse’s Elusive Companion Star

Using new observations from NASA’s Hubble Space Telescope and ground-based observatories, astronomers tracked the influence of a recently discovered companion star, Siwarha, on the gas around Betelgeuse. The research, from scientists at the Center for Astrophysics | Harvard & Smithsonian (CfA), reveals a trail of dense gas swirling through Betelgeuse’s vast, extended atmosphere, shedding light […]
Posted on January 5, 2026
Sign up for our newsletter:

Categories

1
1
4
1
4
18
2
196
2
10
37
13
1
11
17
2
6
103
4
2
10
6
2
3
3
1
Io
4
14
29
6
5
12
43
1
6
1
2
1
13
3
260
10
1
2
1
7
220
1
10
1
1
10
11
4
624
344
3
1
58
1
29
1
1
2
1
10
1
52
1
24
193
366
6
1
3
15
1
3
147
18
4
12

Blog Posts

Newsletter Archive