Discovery Alert: ‘Super-Earth’ Swings from Super-Heated to Super-Chill

The Discovery A possible “super-Earth” orbits a relatively close, Sun-like star, and could be a habitable world – but one of extreme temperature swings, from scorching heat to deep freeze. Key Facts The newly confirmed planet is the outermost of three detected so far around a star called HD 20794, just 20 light-years from Earth. […]
Posted on March 11, 2025
Sign up for our newsletter:

Categories

323
12
2
13
6
1
3
48
1
1
1
6
8
1
5
7
297
4
1
2
3
29
1
55
4
2
1
7
595
10
6
6
10
141
9
233
10
1
90
1
1
2
1
2
42
2
29
184
14
3
1
18
1
1
1
3
12
2
4
135
37
1
13
23
10
1
4
2
209
9
1
18
6
1
1
3
Io
4
9
3
1
2

Blog Posts

Newsletter Archive