NISAR’s L-Band Radar Reveals ‘Hummingbird’ in Antarctica

Description Data from the Earth-orbiting U.S.-India NISAR (NASA-ISRO Synthetic Aperture Radar) satellite’s L-band radar was used to produce an image of Nunatak Zaterjavshijsja — a mountaintop in East Antarctica — poking out amid a stream of ice flowing northeast to the ocean. The obstruction causes stresses in the ice, heavily fracturing the surrounding surfaces with […]
Posted on July 22, 2026
Sign up for our newsletter:

Categories

11
1
240
7
1
2
1
1
10
3
12
64
5
1
1
3
9
1
14
1
17
396
29
14
1
118
21
6
4
1
679
4
6
67
6
38
29
15
1
284
207
5
1
1
10
11
17
6
2
1
215
30
Io
5
13
1
11
164
2
3
93
1
14
20
1
1
14
4
2
3
14
1
3
1
3
3
3
17
47
5
2
2
1
6
371
1

Blog Posts

Newsletter Archive