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Título: Halley's Comet, 8 May 1910. Creator: George Willis Ritchey.
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Halley's Comet, 8 May 1910. The head of Halley's Comet as photographed by Dr George Willis Ritchey using the 60-inch (1.5-meter) telescope at Mount Wilson Observatory, California, USA. Halley's Comet is visible from Earth every 75-76 years. It is the only known short-period comet that is regularly visible to the naked eye, and the only naked-eye comet that might appear twice in a human lifetime. Halley last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-2061. Its periodicity was first recognised by English astronomer Edmond Halley (1656-1742).
Crédito: Album / Heritage Images / Heritage Space
Tamaño imagen: 5132 × 4003 px | 58.8 MB
Tamaño impresión: 43.5 × 33.9 cm | 2020.5 × 1576.0 in (300 dpi)