4 ms·
As I understand it, Oumuamua spectra is very similar to that of a D-type asteroid. It appears to be covered by a dull red organic gunk (tholins), which would ma
by KnightOfWords 8y ago
As I understand it, Oumuamua spectra is very similar to that of a D-type asteroid. It appears to be covered by a dull red organic gunk (tholins), which would make a very inefficient solar sail.