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The latter include the D Ring, extending inward to Saturn's cloud tops, the G and E Rings and others beyond the main ring system. These diffuse rings are characterised as "dusty" because of the small size of their particles (often about a μm); their chemical composition is, like the main rings, almost entirely water ice. The narrow F Ring ...
In addition he discovered the Cassini Division in the rings of Saturn (1675). [7] He shares credit with Robert Hooke for the discovery of the Great Red Spot on Jupiter (ca. 1665). Around 1690, Cassini was the first to observe differential rotation within Jupiter's atmosphere.
The enormous crater Herschel on Saturn's moon Mimas; The Herschel gap in Saturn's rings. 2000 Herschel, an asteroid; The William Herschel Telescope on La Palma; The Herschel Space Observatory, successfully launched by the European Space Agency on 14 May 2009. It was the largest space telescope of its kind, until the launch of the James Webb ...
He discovered Saturn's biggest moon, Titan, and was the first to explain Saturn's strange appearance as due to "a thin, flat ring, nowhere touching, and inclined to the ecliptic." [10] In 1662 Huygens developed what is now called the Huygenian eyepiece, a telescope with two lenses to diminish the amount of dispersion. [11]
Monsignor Lemaître is considered "the Father of the Big Bang" and the first to derive what is now known as Hubble's law. Leavitt discovered Cepheid variables, the "Standard Candle" by which Hubble later determined galactic distances. Einstein's general theory of relativity is usually recognized as the theoretic foundation of modern cosmology.
A study published in the journal Science suggests a hypothetical moon (called Chrysalis) came too close to Saturn's gravitational pull and was torn apart, forming the planet's iconic rings.
Christiaan Huygens followed on from Galileo's discoveries by discovering Saturn's moon Titan and the shape of the rings of Saturn. [14] Giovanni Domenico Cassini later discovered four more moons of Saturn and the Cassini division in Saturn's rings. [15] The Sun photographed through a telescope with special solar filter.
The Hubble Space Telescope captured a newly revealed image of the mysterious, ghostly shadows on Saturn’s rings — the latest sighting of the so-called “spokes” that continue to baffle ...