Today, Tuesday, June 30, 2015 will get an extra second, or also called leap second. The folks at NASA are the right people to explain why today is longer.“Earth’s rotation is gradually slowing down a...
NASA Explains Why June 30 Gets an Extra Second
Today, Tuesday, June 30, 2015 will get an extra second, or also called leap second. The folks at NASA are the right people to explain why today is longer.“Earth’s rotation is gradually slowing down a...