skyandtelescope.com • FEBRUARY 2020 17
BLOWHOLESMany micro-
meteorites, made spherical due
to atmospheric heating, have
crater-like holes where hot gases
or boiling liquid materials erupted
from the center during reentry.
skyandtelescope.com • FEBRUARY 2020 17
BLOWHOLESMany micro-
meteorites, made spherical due
to atmospheric heating, have
crater-like holes where hot gases
or boiling liquid materials erupted
from the center during reentry.