Iceberg A‑23A broke away from Antarctica’s Filchner Ice Shelf in 1986. Four decades on, it is on the verge of complete ...
Modern Engineering Marvels on MSN
NASA’s blue megaberg shows how ice breaks from within
A23a’s sudden blue tint is not a curiosity of color so much as a sign that a floating slab of Antarctica can fail from the ...
NASA imagery shows Antarctic iceberg A-23A turning blue from meltwater pools as it shrinks and fragments in warmer seas, marking the likely end of its four-decade journey.
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