On 24/02/2016 5:05 PM, Steve Willner wrote:
It was always clear that asteroids passing close enough to the Sun
would be destroyed. What's new is that "close enough" is somewhat
farther than was known. The destruction mechanism that leads to this
is still not known.

Since they're talking about solar radii distances here, rather than
something like AU, so could it be a combination of the Roche Limit of
the Sun plus it's solar radiation pressure?

Yousuf Khan