... it came from Mars, because scientists have found pockets of air inside, and this air is exactly like Mars' atmosphere and not like Earth's. Such chunks from space (called meteorites) allow astronomers to study the chemical makeup of other parts of the ...
... Above Earth'satmosphere, transit telescopes will stare at crowded star fields, running a time series of high-precision, photometric observations and analyses to look for a slight decrease in the brightness of an individual star as a planet passes in ...
... HOST: During Apollo 16, I recall that astronauts used a far-ultraviolet telescope to observe objects like the Milky Way, galactic clusters, and Earth'satmosphere. ...
... For H2O, the triple point falls at a temperature of 0.0099 degrees Celsius and a pressure of about 0.006 times the pressure of Earth'satmosphere at sea level. ...
... by the Stardust mission, particles from the Sun returned by the Genesis mission, meteorites from Antarctica which originated from a variety of sources (including the Moon and Mars), and cosmic dust gathered high in Earth'satmosphere from aircraft ...
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... The flashes of gamma rays that have been hitting the Earth'satmosphere at a rate of about one per day without showing up at any other wavelength have finally been caught with a few X-ray after-glows (mostly by the Italian satellite BeppoSAX) and even ...