Mat’ls Astronomy: Looking at (previously) standalone astrophysical bodies in the microscopy lab.
Transmission electron microscopes
Dynamic imaging secondary ion mass spectrometers, & WU’s nanoSIMS…
Interplanetary Dust
in
the Lab
Specimen prep: removal from the flag, showers, and more…
“Grape cluster” particle in the Scanning Electron Microscope
Solar flare tracks,
in the TEM
Refractory crystal spheres, intersecting…
Darkfield pictures of carbide plates on an iron crystal…
Lot’s of stuff can happen on a long trip…
C/O>1 giant stars: machines able to manufacture carbon atoms, and facilitate their condensation…
Silicon carbide
from
long ago, far away...
Some highlights of SiC isotopery; for updates check out... http://presolar.wustl.edu/research.html
Here’s a 200 mesh grid square of one ultra-microtome section
Zooming In: Is that thing round?
Homegrown onions in HREM: Rim layers in pre-solar onions are similar to this
Diffraction from Presolar Onion Rims and Cores
Simulated diffraction from graphene flakes
Comparing C images with increasing order, from Ap J Lett 578, 2 (2002) L153-156
A closer look at part of the 2nd inset in the previous slide, contrast reversed…