Sep 30, 2025 · NASA's iceberg data includes current and historical measurements useful for mapping icebergs, glaciers that calve them, and their characteristics.

Sep 30, 2025 · Glacier Power: What is Glacial Calving? When a piece of a glacier breaks off, it's called calving, and results in an iceberg.

Feb 27, 2024 · Iceberg A23a calved from the Filchner–Ronne Ice Shelf (on the northwestern side of Antarctica) in 1986 and had been stuck in the Weddell Sea off the coast of West Antarctica …

Mar 4, 2025 · Iceberg A23A was captured in this false-color corrected reflectance (Bands 7-2-1) image from the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard the Aqua …

Iceberg A23A, which grounded in early March, is the rectangular feature in the center of the image. Iceberg A23C, which broke off in mid-April, can be seen on the right side of the image. …

Sep 30, 2025 · Glacial ice is a different color from regular ice. It is so blue because the dense ice of the glacier absorbs every other color of the spectrum except blue — so blue is what we see!

Sep 30, 2025 · From Snowflakes to Rivers of Ice Glaciers are massive and incredibly powerful, but they begin with small snowflakes. Imagine how many snowflakes make a glacier as snow …

Sep 30, 2025 · Find answers to segment review questions included in Glacier Power chapters.

Dec 4, 2022 · Animation starting November 20 and ending December 4, 2022, of Iceberg A76A swirling in the Drake Passage. A76A was part of the A76 iceberg that calved from the Ronne …

May 13, 2025 · This ASTER false color image (which combines visible and near-infrared wavelengths) shows the San Quintín Glacier, the largest in southern Chile’s Northern …