Chemistry
Chemistry, 06.05.2020 02:43, swello1937

How did scientists first discover exoplanets (those outside our solar
system)?
O
Pictures of the planets using very strong telescopes
O
Doppler shift of stellar spectral lines
O
gravitational inferometry
O
gravitational lensing

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Answers: 1

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How did scientists first discover exoplanets (those outside our solar
system)?
O
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