When one celestial object passes in front of another, it can cast a shadow that travels across space – and sometimes across Earth. These moments of alignment, known as eclipses, occultations, and transits, allow scientists to study distant objects in remarkable ways. By observing how light changes when an object briefly blocks another, astronomers can measure sizes and shapes, detect atmospheres, and refine the orbits of asteroids and planets.
Posted on
March 23, 2026
Sign up for our newsletter:
Categories
1
23
24
41
193
341
366
5
6
2
1
1
51
44
3
15
18
1
3
15
147
17
1
103
1
2
1
87
39
36
16
101
4
14
134
10
12
18
383
5
1
4
5
1
1
4
18
2
196
2
10
1
13
1
8
25
1
6
37
3
11
2
17
2
6
6
103
4
43
5
2
1
2
2
10
2
3
14
6
2
149
10
32
3
28
11
1
3
3
1
3
107
1
4
42
1
14
29
1
10
1
12
33
43
1
1
6
1
5
6
1
13
1
2
10
1
13
2
39
11
3
1
260
10
1
53
65
31
2
1
170
351
119
1
10
2
1
7
1
134
220
10
1
1
10
106
11
1
157
25
4
1
30
10
3
624
20
344
1
291
3
58
1
1
17
1
29
1
1
211
4
20
1
2
1
1
25
4
10
18
1
52
10
1
Blog Posts
Rising Waters Swamp Lake Naivasha
June 23, 2026
NASA Sounding Rocket to Launch Student Experiments
June 22, 2026