The team behind the new Fermi proposal said it's likely what Fermi's seeing isn't dark matter — but they'd rather know for sure.
"I think you always hope a little bit, but then you have to remember: You're a scientist; you just want to get to the truth," Finkbeiner said. "If the truth is there's a 130-GeV WIMP, then that will be fantastic; we'll understand something new about physics."
And if that's not the case, then they'll know it's time to move on, he said. At least they will have left no stone unturned.
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