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  1. Icebergs - NASA Earthdata

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

  2. Glacier Power: What is Glacial Calving? - NASA Earthdata

    Sep 30, 2025 · When a piece of a glacier breaks off, it's called calving, and results in an iceberg.

  3. Iceberg A23a in the Southern Ocean, Antarctica - Earthdata

    Oct 22, 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 …

  4. Iceberg A23A Grounded Near South Georgia Island - Earthdata

    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 …

  5. Iceberg A23A Moving Toward South Georgia Island, Antarctica

    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 …

  6. Glacier Power: Why is Glacier Ice Blue? - NASA Earthdata

    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!

  7. Antarctic Iceberg A23A Continues to Crumble - NASA Earthdata

    NASA's true-color corrected reflectance image of Iceberg A23A and iceberg A23F was captured on August 17, 2025, from the MODIS instrument aboard the Aqua satellite.

  8. Earth Science Data Roundup: May 2025 - NASA Earthdata

    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 …

  9. Cryosphere - NASA Earthdata

    May 3, 2025 · NASA has data on sea ice, glaciers, snow cover, and other frozen features that comprise Earth’s cryosphere and effect human activity and our planet.

  10. Glacier Power: Teacher's Guide for Segment Review Questions

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