RFHEXDD4–Illustration in the form of a word cloud, depicting global warming. Words related to global warming (e.g. environment, politics, sea levels etc) form the globe of the Earth. Meanwhile, surrounding this is a background in grey made up of more optimistic words, like hope, sustainable, biofuels, solar energy, etc.
RFHEXDCF–Illustration in the form of a word cloud, depicting global warming. Words related to global warming (e.g. environment, politics, sea levels etc) form the globe of the Earth. Meanwhile, surrounding this is a background in grey made up of more optimistic words, like hope, sustainable, biofuels, solar energy, etc.
RFP2PT68–Illustration of an ultra-plinian volcanic eruption seen from an altitude of around 40 km. These eruptions form ash clouds that can reach tens of kilometres into the sky. Eventually the ash cloud collapses, sending avalanches of dust, ash and incandescent rock away from the eruption site at high speeds, hugging the ground in a so-called pyroclastic flow.
RFMG9APC–Illustration of an imaginary planetary nebula. This is a glowing shell of gas cast off by a star near the end of its life. The star can be seen at the centre of the nebula. The Sun will one day form a planetary nebula, once its internal stock of hydrogen is used up.
RFJGN6KE–Surface of Titan, computer artwork. This is Saturn's largest moon and the only moon to have a planet-like atmosphere. The atmosphere consists of nitrogen and organic compounds, mainly ethane and methane, which give it its distinctive orange colour. The surface of Titan is depicted as being covered in liquid methane, forming rivers and deltas that empty into lakes. It is thought that the hydrocarbons form as sunlight acts on the methane in Titan's upper atmosphere. There are also mountains, thought to be made of rock and ice.
RFGJ962X–Surface of Titan, computer artwork. This is Saturn's largest moon and the only moon to have a planet-like atmosphere. The atmosphere consists of nitrogen and organic compounds, mainly ethane and methane, which give it its distinctive orange colour. The surface of Titan is depicted as being covered in liquid methane, forming rivers and oceans. It is thought that the hydrocarbons form as sunlight acts on the methane in Titan's upper atmosphere. There are also mountains, thought to be made of rock and ice. Titan's atmosphere could resemble that of primitive Earth and could hold clues about the
RFGJ962Y–Surface of Titan, computer artwork. This is Saturn's largest moon and the only moon to have a planet-like atmosphere. The atmosphere consists of nitrogen and organic compounds, mainly ethane and methane, which give it its distinctive orange colour. The surface of Titan is depicted as being covered in liquid methane, forming rivers and oceans. It is thought that the hydrocarbons form as sunlight acts on the methane in Titan's upper atmosphere. There are also mountains, thought to be made of rock and ice. Titan's atmosphere could resemble that of primitive Earth and could hold clues about the
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