Comet West was discovered in photographs by Richard West on August 10, 1975. It reached peak brightness in March 1976. During its peak brightness, observers reported that it was bright enough to study during full daylight. Despite its spectacular appearance, it did't cause much expectation among the popular media. The comet has an estimated orbital period of 558,000 years.

Comet West, March 1976 Comet West was discovered in photographs by Richard West on August It reached peak brightness in March

Oort Cloud: 2-part cloud; long-period comets come from Oort cloud; their orbits suggest that the cloud is a spherical shell close to a light-year across, bisected by a doughnut; the rest of the solar system lies in the doughnut hole

long-period comets come from Oort cloud; their orbits suggest that the cloud is a spherical shell close to a light-year across, bisected by a doughnut; the rest of the solar system lies in the doughnut hole

The top row shows an artist’s conception of the seven planets of Trappist-1 with their orbital periods, distances from their star, radii and masses as compared to those of Earth. The bottom row shows data about Mercury, Venus, Earth and Mars.

Exoplanet discovery: seven Earth-sized planets found orbiting nearby star

The top row shows an artist’s conception of the seven planets of with their orbital periods, distances from their star, radii and masses as compared to those of Earth. The bottom row shows data about Mercury, Venus, Earth and Mars.

Jupiter's Great Red Spot. The Great Red Spot is a great anti-cyclonic (high pressure) storm akin to a hurricane on Earth, but it is enormous (three Earths would fit within its boundaries) and it has persisted for at least the 400 years that humans have observed it through telescopes. Since it is anti-cyclonic in Jupiter's Southern hemisphere, the rotation is counterclockwise, with a period of about 6 days. (A hurricane in Earth's Southern hemisphere rotates clockwise.)

The Great Red Spot is a great anti-cyclonic (high pressure) storm akin to a hurricane on Earth, but it is enormous (three Earths would fit within its boundaries) and it has persisted for at least the 400 years that humans have ob

Game of Thrones. Walking Dead. How I Met Your Mother. Psych. Scrubs. Star Wars. Always Sunny In Philadelphia. Modern Family. wats ur show? - 9GAG

Game of Thrones. Walking Dead. How I Met Your Mother. Psych. Scrubs. Star Wars. Always Sunny In Philadelphia. Modern Family. what's ur show?

Game of Thrones. The Walking Dead. How I Met Your Mother. Always Sunny In Philadelphia. wats ur show?

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