Tony Finch
dot@dotat.at
https://dotat.at/
https://dotat.at/:/A24JY.html
2019-03-25T22:16:23Z
Gravitational lensing: a new Einstein cross is discovered.
2019‑03‑25
Gravitational lensing: a new Einstein cross is discovered.
https://phys.org/news/2019-03-einstein.html
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