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

4
1
52
2
196
6
368
6
3
15
1
3
24
4
6
12
18
1
1
4
4
18
2
198
37
1
1
11
17
2
6
10
103
10
1
11
1
2
3
3
Io
4
14
29
1
43
58
5
12
14
6
3
2
10
1
10
262
2
2
1
1
221
7
10
1
10
1
4
148
345
624
3
1
1
1
1
29
2
1
13
1
1
1

Blog Posts

Newsletter Archive