Atmosphere - Atmosphere - The atmospheres of other planets: Astronomical bodies retain an atmosphere when their escape velocity is significantly larger than the average molecular velocity of the gases present in the atmosphere.

The atmosphere of Uranus is composed of 83% hydrogen, 15% helium, 2% methane and small amounts of acetylene and other hydrocarbons. Problem 4 – Which planet has the atmosphere … Der relativ hohe Anteil an Methangas, welches sich in der oberen Schicht verteilt, sorgt für … Possibly the earliest known observation was by Hipparchos, who in 128 BC might have recorded it as a star for his star catalogue that was later incorporated into Ptolemy's Almagest. Methane in the upper atmosphere absorbs red light, giving Uranus its blue-green color. Thus, Uranus formed with the other planets soon after the birth of the Sun nearly 4.6 billion years ago (see solar system: Origin of the solar system). Of these, the planets Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune have significant atmospheres. In südlichen Breiten (etwa 60°) bewegt sich die sichtbare Atmosphäre viel schneller und die Rotationsdauer ist dort mit 14 Stunden entsprechend kürzer.

Überwiegend besteht die Atmosphäre von Uranus aus einer Mischung und Wasserstoff und Helium, ganz ähnlich seinen inneren Nachbarn Jupiter und Saturn. Problem 2 – Draw a pie graph that shows the percentage of Nitrogen for Venus, Earth, Mars, Titan and Pluto. Die Atmosphäre des Uranus ist ähnlich zusammengesetzt wie die der anderen Gasplaneten. Uranus had been observed on many occasions before its recognition as a planet, but it was generally mistaken for a star. There are 8 planets and over 160 moons in the solar system.
Als unterste Schicht weist seine Troposphäre aufgrund ihrer hohen Dichte den größten Teil der Atmosphären-Masse auf. Uranus rotiert in 17 Stunden 14 Minuten und 24 Sekunden einmal um seine Achse.

Uranus and its neighbour Neptune, the next planet outward from the Sun, are nearly twins in size.

Die Temperatur in der oberen Atmosphäre liegt bei nur rund –197 Grad Celsius … In the inner Jovian worlds (Jupiter and Saturn), ammonium hydrosulfide dominates the coloration of atmospheres with its red's and yellows.

Die Atmosphäre von Uranus wird grob in drei Schichten unterteilt.
Die Atmosphäre von Uranus Die grünliche Farbe des Planeten kommt durch Beimengungen von Methangas (CH 4) zu Stande, welches das rote Licht absorbiert. Problem 3 – Which planet has the atmosphere with the greatest percentage of Oxygen? Wie bei allen Riesenplaneten wehen in der Hochatmosphäre starke Winde in Rotationsrichtung.

Scientists have determined that the plasmoid around Uranus measures about 127,000 miles by 250,000 miles and has pulled between 15 to 55 percent of Uranus' atmosphere out from the planet. Sie liegt zwischen -300 und 50 Kilometern Höhe, die Höhe von Null Kilometern entspricht der Oberfläche. The Composition of Planetary Atmospheres 1 Problem 1 – Draw a pie graph (circle graph) that shows the atmosphere constituents for Mars and Earth.

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