Mysterious mass beneath lunar surface altering Moon's gravity

Updated: few hours ago

Washington, Jun 12 (PTI) Scientists have discovered a mysterious large mass of material, hidden beneath the largest lunar crater, that is altering the Moon's gravitational field.

The mass was found under the Moon's South Pole - Aitken basin, and may contain metal from the asteroid that crashed into the Moon and formed the crater, according to the researchers from Baylor University in the US.

"Imagine taking a pile of metal five times larger than the Big Island of Hawaii and burying it underground. That's roughly how much unexpected mass we detected," said Peter B James, an assistant professor at the Baylor University.

The crater itself is oval-shaped, as wide as 2,000 kilometres and several miles deep. Despite its size, it cannot be seen from Earth because it is on the far side of the Moon.