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Hace 3 días · Location: Neptune is the eighth planet from the Sun and the furthest known planet in our solar system. Size: The planet is about 17 times the mass of Earth, making it the fourth largest planet by diameter. Distance from the Sun: Positioned approximately 4.5 billion kilometres away, it takes sunlight over four hours to reach Neptune.
Hace 19 horas · 1. Born this day in 1812, Johann Gottfried Galle was a German astronomer, who was the first person to view a new planet knowing exactly what he was looking at. While working at the Berlin ...
Hace 5 días · The June Rebellion was triggered by the food shortages of the late 1820s, a devastating cholera epidemic and the death of the popular general Jean Lamarque, who had become a hero to the working classes of Paris. At his funeral on 5 June, republican demonstrators rallied the crowds, waving red flags and calling for “liberty or death”.
- Lauren Good
Hace 5 días · John Couch Adams (born June 5, 1819, Laneast, Cornwall, Eng.—died Jan. 21, 1892, Cambridge, Cambridgeshire) was a British mathematician and astronomer, one of two people who independently discovered the planet Neptune.
- The Editors of Encyclopaedia Britannica
Hace 2 días · Temeljem njihovih predviđanja, 23. rujna 1846. godine otkrio ga je njemački astronom Johann Gottfried Galle. Nazvan je po rimskom božanstvu mora, golim okom se ne vidi, a nove spoznaje o ovom planetu omogućila je l etjelica “Voyager 2”, koja je u kolovozu 1989. prošla blizu njega.
Hace 3 días · Estructura y superficie. Marte es un planeta terrestre. Es pequeño y rocoso. Marte tiene una atmósfera delgada y enrarecida. Marte tiene una atmósfera activa, pero la superficie del planeta no está activa. Sus volcanes están muertos. El tiempo en Marte. Un día en Marte dura 24,6 horas. Es apenas un poco más de un día en la Tierra.
Hace 22 horas · Johann Gottfried Galle urodził się 9 czerwca 1812 r. w Radis, a zmarł 10 lipca 1910 r. w Poczdamie. Był niemieckim astronomem, który jako pierwszy dokonał świadomej obserwacji Neptuna. Pracował przez ponad 45 lat w obserwatorium we Wrocławiu.
