Science News Roundup: Mongolia in talks with SpaceX to launch first national satellite; Saturn's 'Death Star' moon has a hidden secret - a subsurface ocean

Astronomers said on Wednesday that data obtained by NASA's Cassini spacecraft on the rotational motion and orbit of Mimas confirm the presence of an ocean of liquid water beneath an ice layer 12-19 miles (20-30 km) thick. This ocean, they said, appears to have formed recently, in cosmic terms - less than 25 million years ago and likely between 5 and 15 million years ago.

Following is a summary of current science news briefs.

Mongolia in talks with SpaceX to launch first national satellite

The Mongolian government said on Thursday it is in talks with Elon Musk's SpaceX to launch the country's first national telecommunications satellite, its latest move to improve connectivity and develop its "domestic space economy." The satellite, currently being constructed by French company Thales Alenia Space, is tasked with improving Mongolia's disaster management and emergency response, increasing broadband internet access and supporting its scientific research and education among other purposes, the government said in a statement.

Saturn's 'Death Star' moon has a hidden secret - a subsurface ocean

Saturn's moon Mimas is known for its uncanny resemblance to the dreaded Death Star in the original "Star Wars" movie. But it has another intriguing distinction as well, according to researchers - a subsurface ocean hidden under its icy and crater-scarred outer shell. Astronomers said on Wednesday that data obtained by NASA's Cassini spacecraft on the rotational motion and orbit of Mimas confirm the presence of an ocean of liquid water beneath an ice layer 12-19 miles (20-30 km) thick. This ocean, they said, appears to have formed recently, in cosmic terms - less than 25 million years ago and likely between 5 and 15 million years ago.

(With inputs from agencies.)