Giovanni Battista Zupi

Italian astronomer, mathematician and Jesuit priest

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Giovanni Battista Zupi or Zupus (2 November 1589 – 26 August 1667) was an Italian astronomer, mathematician, and Jesuit priest.^[1]

He was born in Catanzaro. In 1639, Giovanni was the first person to discover that the planet Mercury had orbital phases,^{[citation needed]} like those of the Moon and Venus. His observations demonstrated that the planet orbited around the Sun.

He died in Naples.

The crater Zupus on the Moon is named after him.

References

^ Juan Casanovas (2007). "Zupi, Giovan Battista". In Virginia Trimble; Thomas R. Williams; Katherine Bracher; Richard Jarrell; Jordan D. Marché; F. Jamil Ragep (eds.). Biographical Encyclopedia of Astronomers. Springer. p. 1268. ISBN 978-0-387-30400-7.