This colorized image of Europa is a product of clear-filter grayscale data from one orbit of NASA’s Galileo spacecraft, combined with lower-resolution color data taken on a different orbit. The blue-white terrains indicate relatively pure water ice, whereas the reddish areas contain water ice mixed with hydrated salts, potentially magnesium sulfate or sulfuric acid. The […]
Posted on
June 25, 2025
Sign up for our newsletter:
Categories
10
1
12
4
4
13
1
2
199
1
37
16
1
1
25
1
1
3
1
2
158
19
1
2
1
24
135
18
1
18
79
25
2
40
1
2
14
10
1
9
1
6
15
4
9
1
4
13
6
6
2
1
1
299
3
15
100
3
42
1
10
8
1
29
1
11
324
12
2
3
3
16
12
1
14
1
35
1
18
1
4
9
6
6
1
5
48
144
10
41
5
1
2
23
5
6
1
2
1
3
10
2
31
62
1
37
1
281
7
16
3
3
2
2
150
1
2
97
4
1
7
596
24
2
9
6
103
30
14
1
55
4
1
235
1
1
90
31
1
8
1
1
106
1
13
10
3
3
2
10
51
28
1
29
2
1
146
185
1
1
3
335
2
1
324
360
132
10
1
42
13
128
210
18
2
50
Blog Posts
NASA’s IXPE Gets Fresh Look at Supernova
March 26, 2026