Nicknamed 'Punctum,' this puzzling phenomenon is highly energetic, but is only seen in millimeter-wavelength light and cannot be explained by any known object.

Scientists may have found a powerful new space object: 'It doesn't fit comfortably into any known category'

Source: space
Source Link: https://www.space.com/astronomy/scientists-may-have-found-a-powerful-new-space-object-it-doesnt-fit-comfortably-into-any-known-category