RMK22B28–The largest planet in the solar system is 1,400 times the size of Earth, and its mass is 2.5 times that of all of the other planets combined. Jupiter could almost have become a star, since its elements are similar to the Sun’s: 90% hydrogen and 10% helium, with traces of methane, water, ammonia, and rocky dust.
RMP1K000–View of the Champagne Pool in the Waiotapu geothermal area in the North Island of New Zealand
RMGE4GR9–This computer generated montage shows Neptune as it would appear from a spacecraft approaching Triton, Neptune's largest moon at 2706 km (1683 mi) in diameter. The wind and sublimation eroded south polar cap of Triton is shown at the bottom of the Triton image, a cryovolcanic terrain at the upper right, and the enigmatic "cantaloupe terrain" at the upper left. Triton's surface is mostly covered by nitrogen frost mixed with traces of condensed methane, carbon dioxide, and carbon monoxide. The tenuous atmosphere of Triton, though only about one hundredth of one percent of Earth's atmos
RM2CF74N8–This computer generated montage shows Neptune as it would appear from a spacecraft approaching Triton, Neptune's largest moon at 2706 km (1683 mi) in diameter. The wind and sublimation eroded south polar cap of Triton is shown at the bottom of the Triton image, a cryovolcanic terrain at the upper right, and the enigmatic 'cantaloupe terrain' at the upper left. Triton's surface is mostly covered by nitrogen frost mixed with traces of condensed methane, carbon dioxide, and carbon monoxide. The tenuous atmosphere of Triton, though only about one hundredth of one percent of Earth's atmospheric den
RM2CENCAW–. Archives des sciences physiques et naturelles. la réaction deSalvadori, convenablement appliquée, donne de lacéty-lène accompagné dun pétrole brun fluorescent. Avec lecarbure daluminium on obtient du méthane et de lhydro-gène. Avec celui de fer, des traces de carbures fétides et SOCIÉTÉ SUISSE DE CHIMIE. 391 de méthane, mélangés dune sorte de paraffine etaccom-pagnés de beaucoup dhydrogène. Sur les sulfures métalliques, le chlorure dammoniumen milieu anhydre donne déjà à 360° du soufre libre plusou moins mélangé dhydrogène sulfuré. Le soufre libreaugmente de quantité avec la température. Ces
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