An enormous rock orbiting close to Earth seems to have originated from the moon, the second such object identified to exist, with perhaps greater than a dozen awaiting discovery.
The asteroid, known as 2024 PT5, is about 10 metres vast. Spotted in August, it was later snared by Earth’s gravitational pull, changing into a second moon of our planet, known as a mini-moon, between September and November.
Re-examining the asteroid, Teddy Kareta at Lowell Observatory…