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

9
5
2
2
1
336
1
1
3
1
2
14
1
7
51
614
11
140
13
6
1
24
3
254
3
1
1
6
4
10
4
215
12
1
11
1
29
1
188
1
4
2
93
2
3
3
1
10
6
18
1
1
4
1
2
37
1
18
29
10
15
43
6
350
14
1
2
1
1
Io
4
2
57
10
3
189
9
1
1
6
11
2

Blog Posts

Newsletter Archive