I'm certainly not any authority or expert but since you were asking
for a ballpark, I'll toss this answer in on the second question...
Judging from the pieces I have found using my magnets, I believe the
minimum size of survivors graduates up from the barely visible and
possibly the microscopic.
Mike in CO
On Oct 4, 2009, at 8:51 PM, [email protected] wrote:
Hi all:
I am involved with a teacher professional development workshop this
week
and the teachers give us questions that they hope we can answer for
them.
I am fine with most of them (such is Pluto a planet?), but I figured
that,
before I give them a partially correct answer, I would ask the
experts out
there for their responses:
What is the rate at which things burn up when they enter Earth’s
atmosphere?
About how much material is burned up (mass per unit time)?
Along that same idea, for a "typical" chondritic meteoroid, what is
the
minimum size that you might expect to make it through the atmosphere
and
land as a meteorite? Ballpark is fine since, clearly there are many
factors involved (initial velocity, angle of entry, material strength
etc.).
Thanks in advance.
Larry
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