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Right. The article doesn't explain why an electromagnetic sighting is better than the gravitational one.
by guelo 7y ago
Right. The article doesn't explain why an electromagnetic sighting is better than the gravitational one.
- webmaven 7y agoThat's because it isn't "better", it's just different. The unspoken assumption is that two different types of evidence are generally better than just one type, not that one type is better than the other.
- joe_the_user 7y agoWell, I think this supposed "sighting" of dark matter rests on an assumption that this version of dark matter actually decays via particle-anti-particle annihilation. If that is true, then one could begin to describe or speculate on it's quantum and electromagnetic properties and look for other places these properties manifested. IE, the matter would be no longer literally dark but could be fit within our broader understanding of atomic particle ... or might force us to expand this understanding. Either way, it seems like a significant advance.