Some gamma rays can be produced by
radioactive elements within Ceres itself, but most are byproducts of cosmic rays originating from elsewhere in space.
Researchers bored a microscopic hole into it with a laser and measured traces of
radioactive elements within.
Not exact matches
This timescale is well
within the half - lives of many of the
elements in
radioactive waste, yet all the locations for nuclear new - builds that I have seen mooted are in low - lying coastal locations, and all would be threatened or inundated by a 5 - metre rise.
Located in the Mapimí Desert in Mexico, this almost uninhabited area is steeped in mystery akin to the Bermuda Triangle — radio signals and compasses do not work
within, and in 1970 it was the crash site of a U.S. Athena test - missile that veered 400 miles off course; the missile was carrying two small containers of the
radioactive element cobalt 57.
Apparently the original source of the heat is the
radioactive decay of some
elements within the hot dry (granite) rock.