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Gravitational lensing

A tiny galaxy brightening up a distant supernova

A distant type Ia supernova that was significantly magnified by a tiny foreground galaxy may imply a large population of small compact galaxies.

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Fig. 1: The Hubble Space Telescope image of SN Zwicky.

NASA, ESA, STScI

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Correspondence to Masamune Oguri.

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The author declares no competing interests.

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Oguri, M. A tiny galaxy brightening up a distant supernova. Nat Astron 7, 1013–1014 (2023). https://doi.org/10.1038/s41550-023-02017-6

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