[ExI] but does it really dark matter?

[spike at rainier66.com]

A couple yrs ago the big news (outside of LIGO) was the finding of an
oddball diffuse galaxy made up almost entirely of dark matter:

 

https://www.space.com/33850-weird-galaxy-is-mostly-dark-matter.html

 

 

Now they found its counterpart, a galaxy that is almost missing dark matter.

 

https://www.space.com/40119-ghostly-galaxy-almost-no-dark-matter.html?utm_so
urce=sdc-newsletter
<https://www.space.com/40119-ghostly-galaxy-almost-no-dark-matter.html?utm_s
ource=sdc-newsletter&utm_medium=email&utm_campaign=20180329-sdc>
&utm_medium=email&utm_campaign=20180329-sdc

 

 

Cool!

 

spike

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