Enigmatic depressions on the surface have puzzled scientists since the 1970s NASA’s MESSENGER spacecraft discovered strange hollows on the surface of Mercury. Images taken from orbit revealed thousands of mysterious depressions, pitted and uneven, in areas all across the planet, up to a half-mile (800 meters) across and 120 feet (37 meters) deep. This mosaic […]
Category:
The Solar System
Posted on
October 17, 2023
Sign up for our newsletter:
Categories
11
34
235
4
5
2
281
4
134
28
13
1
10
18
373
3
41
1
37
6
663
13
1
14
1
8
24
55
15
3
29
1
1
19
10
1
19
9
6
3
3
1
152
1
2
1
18
387
26
300
211
19
3
1
48
222
2
13
3
4
7
1
6
46
17
95
55
6
10
1
41
3
17
46
30
20
46
2
4
141
3
1
1
202
107
1
1
7
11
10
1
4
109
159
3
3
19
1
6
2
2
46
3
1
2
14
1
7
3
1
1
1
2
11
3
2
1
1
2
10
364
21
1
1
30
5
136
59
410
11
13
1
114
10
1
2
1
1
14
1
14
29
4
1
13
38
2
1
102
1
46
14
3
1
172
6
188
2
1
112
2
1
3
21
6
1
62
18
2
12
1
6
67
37
17
1
390
33
11
5
59
12
35
3
70
1
1
11
1
8
113
Blog Posts
Rains Swamp the Gandak River
October 2, 2026
10 Things: Movie Night
October 2, 2026