Dec 12, 2025 · NASA's iceberg data includes current and historical measurements useful for mapping icebergs, glaciers that calve them, and their characteristics.

Dec 12, 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 · The embedded view above shows a series of false-color corrected reflectance images of iceberg A23a in the Southern Ocean, Antarctica. Press "Play" in the lower left corner of the …

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 platform on …

Jan 14, 2025 · NASA's true-color corrected reflectance image of a very large iceberg A23A moving toward South Georgia Island in Antarctica was captured by the MODIS instrument aboard the Terra …

May 3, 2025 · 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. …

Nov 21, 2025 · Find answers to segment review questions included in Glacier Power chapters.

Dec 11, 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!

Dec 27, 2020 · MacAyeal and his colleagues discovered the effect of these waves after an iceberg they were studying, named B-15A, abruptly shattered on October 27, 2005. B-15A was a large iceberg, …

Dec 17, 2025 · Glaciers are massive and incredibly powerful but they begin with small snowflakes. Each lacy, delicate crystal flake is unlike any other; imagine how many it takes to make a glacier as snow …