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

12
3
1
17
16
293
1
6
1
4
145
1
1
1
2
2
3
1
6
4
4
1
1
1
41
3
2
103
227
2
1
9
1
4
38
10
5
1
6
1
1
7
10
2
6
Io
3
2
530
1
12
1
1
3
2
27
31
3
1
15
21
1
4
185
1
65
34
159
5
2
10

Blog Posts

Newsletter Archive