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1 agos 2017 anni - Astronomers made the first-ever observation of a cosmic event using both light and gravitational waves. This is called multi-messenger astronomy.

Aggiunto al nastro di tempo:

history of cosmology

ByMatilda Kearnes
12 feb 2020
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Data:

1 agos 2017 anni
Adesso
~ 8 years and 3 months ago
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