The discovery of a rare Einstein Cross — five images of the same galaxy — reveals a trillion-solar-mass dark matter clump.
The post Astronomers Spot Rare Einstein Cross — and a Massive Clump of Dark Matter appeared first on Sky & Telescope.
The discovery of a rare Einstein Cross — five images of the same galaxy — reveals a trillion-solar-mass dark matter clump.
The post Astronomers Spot Rare Einstein Cross — and a Massive Clump of Dark Matter appeared first on Sky & Telescope.