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The Arthur Ross Terrace will be closed this morning, Tuesday, October 21, for a private cultural observance. You many observe smoke and/or fire coming from the Terrace at that time. The FDNY has been notified in advance, and all safety precautions are in place. The Terrace will reopen at 1 pm.

Visions of Mars

For centuries, people dreamed of discovering intelligent life on Mars. Early telescopes seemed to give glimpses of plant life fluctuating with the seasons, seas of water or perhaps even an entire civilization of canal builders. Speculation ran wild...

GOD OF WAR

c. 1000 BC: People were fascinated by Mars long before the invention of the telescope. Comparing its reddish color to blood, the ancient Greeks and Romans named the planet after their god of war--Ares in Greek, Mars in Latin.

Mars - God of War

The Trustees of the British Museum


PLANT LIFE?
1659: Dutch astronomer Christiaan Huygens studied Mars through a telescope and sketched shifting dark patches (below) that looked to him like vegetation.

Mars - Huygens

AMNH


HERSCHEL'S TELESCOPE
Completed in 1787, Sir William Herschel's telescope was as tall as a four-story building and relied on a 48-inch (1.2 meter) mirror that weighed nearly a ton.

Mars - Herschel Telescope

Science Museum/Science & Society Picture Library


OCEANS?
1784: British Royal Astronomer Sir William Herschel identified several "seas" and wrote that Mars's inhabitants "probably enjoy a situation similar to our own."

Mars - Oceans

SPL/Photo Researchers


CANALS?
1877: Italian astronomer Giovanni Schiaparelli reported finding straight lines on the surface of Mars, which he called canali, or "channels"--later interpreted by some as canals.

Mars - Canals

Collection Kharbine-Tapabor/The Bridgeman Art Library


LOWELL OBSERVATORY GLOBE

1908: This globe shows Mars as described by American astronomer Percival Lowell a century ago. Lowell's maps showed many canals, which he thought were constructed by intelligent Martians to carry water from the ice caps to irrigate their farms. However, better telescopes later revealed no straight lines or canals.

Mars - Lowell Globe

NASA


American Museum of Natural History

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Phone: 212-769-5100

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