Bizarre near-Earth asteroid is spinning faster every year — and scientists aren’t sure why

[admin]

Astronomers have discovered that a potentially hazardous near-Earth asteroid, 3200 Phaethon, has an unusual accelerating spin that could eventually change its trajectory through the solar system.

Bizarre near-Earth asteroid is spinning faster every year — and scientists aren’t sure why : Read more

 

[Hayseed]

If the gravitational/acceleration forces occurring when the rock cuddles the sun have a compression/compaction or shrinking effect on the rock, the spin will increase. The density of the rock can change the spin of the rock.