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1 авг 2017 г. - Astronomers made the first-ever observation of a cosmic event using both light and gravitational waves. This is called multi-messenger astronomy.
Добавлено на ленту времени:
history of cosmology
By
Matilda Kearnes
12 фев 2020
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1 авг 2017 г.
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~ 8 гг и 3 мес назад
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