Last year, astronomers announced that a planet orbits Barnard’s star. Now, researchers have confirmed the existence of three more.

The light is then sent to the spectrograph which records the data ... having short orbital periods of between two and seven ...

Its primary objective was to search for dark matter using the WINERED high-dispersion spectrograph mounted on one of the Magellan telescopes in Chile. The Magellan telescopes are two optical ...