A giant hole the size of Kansas appeared in the Antarctic ice in 2017 and scientists now know why
[ad_1] In 2017, a giant hole appeared in the Antarctic ice. It appeared in mid-September and initially measured 3700 square miles. In six weeks, it reached more than 30,000 square miles – an area almost as large as that of Kansas. Known as a polynya, the hole was a zone of unfrozen ocean surrounded by … Read more