News

Turn the Earth to find out how the earths rotation is related to night and time of day. For instance, you'll see that when the Sun shines on one side of the Earth, the other side is in darkness.
That's how humans have chosen to measure days: not by the Earth's exact rotation, but the position of the sun in the sky. Technically, these are two different types of day. A day measured by the ...
While Earth's slowdown is not noticeable on human timescales, it's enough to work significant changes over eons. One of those ...
The Earth completes one rotation every 24 hours to give us day and night. When Britain faces the Sun it is daytime, but the other side of the world is in darkness. So in Australia it is the middle ...
The earth spins, the sun rises and sets, we have day and night. Each rotation cycle takes roughly 24 hours. But that hasn’t always been the case—and eventually, it will change again.
Scientists recorded the shortest day on Earth since the invention of the atomic clock. Our planet’s rotation measured in at 1.59 milliseconds short of the normal 24-hour day on June 29 ...
For many years, scientists have been attempting to improve on measures of the precision of the Earth's rotation—to more clearly describe the length of a given day. Making things more difficult ...
followed quickly by a day that lasted 1.50 milliseconds less on July 26, 2022. The previous record for the shortest rotation was July 19, 2020, when the Earth’s rotation took 1.4602 milliseconds ...
The Earth completes one rotation every 24 hours to give us day and night. When Britain faces the Sun it is daytime, but the other side of the world is in darkness. So in Australia it is the middle ...