Did giant impacts start plate tectonics?

Did giant impacts start plate tectonics?

One of Earth’s defining features is its plate tectonics, a phenomenon that shapes the planet’s surface and creates some of its most catastrophic events, like earthquakes, tsunamis, and volcanic eruptions. While some features of plate tectonics have been spotted elsewhere in the Solar System, the Earth is the only planet we know of with the … Read more

Gigantic Crowds Expected for Inaugural Launch of NASA’s Mega Rocket

Gigantic Crowds Expected for Inaugural Launch of NASA’s Mega Rocket

Spectators watch the Space Shuttle Atlantis blasting off on July 8, 2011. The launch was the 135th and final Space Shuttle launch for NASA. Photo: Phil Sandlin (AP) NASA’s SLS rocket is slated to launch for the first time in just three weeks, rumbling off the launch pad with 8.8 million pounds of thrust. There … Read more

Earth’s Days Have Been Mysteriously Increasing in Length – Scientists Don’t Know Why

Earth’s Days Have Been Mysteriously Increasing in Length – Scientists Don’t Know Why

Precise measurements show that Earth’s rotation has been mysteriously slowing down since 2020, making the day longer. Precise astronomical observations, combined with atomic clocks, have revealed that the length of a day is suddenly getting longer. Scientists don’t know why. This has critical impacts not just on our timekeeping, but also on things like GPS … Read more

Tongavolcano blasted amount of water into atmosphere

Tongavolcano blasted amount of water into atmosphere

Comment on this story Comment The Hunga Tonga-Hunga Ha’apai eruption lasted less than a day, but it unleashed the most water vapor into the atmosphere by a volcano on record. Researchers say the blast may temporarily warm surface temperatures in years to come and also deplete stratospheric ozone. On Jan. 15, the underwater volcano erupted … Read more