Science & Reason on Facebook: tinyurl.com ESA Space Science: Why go to Mars? Millions of years ago, the primitive environments of Mars and Earth were probably similar, so since life exists on Earth, then we can legitimately consider the hypothesis that it could also have developed on Mars. — Please subscribe to Science & Reason: • www.youtube.com • www.youtube.com • www.youtube.com • www.youtube.com — Signatures of life Where there’s water, there could be life. “Meteorites from Mars that have landed on Earth show clear evidence that conditions appropriate to life did exist on the planet, including in the recent past,” said Colin Pillinger, Consortium Leader for the Beagle 2 lander at the Open University, Milton Keynes, UK. “However, features in the meteorites which have been described as nanofossils are highly controversial. Unfortunately, we cannot be sure that organic matter found in the meteorites is the remnant of organisms that lived on Mars and not due to contamination on Earth. We need to repeat the experiments on rocks that never left the Red Planet.” The Beagle 2 lander would have looked for signatures of life on Mars, whether long-dead or still-living, by measuring the ratio of two different types of carbon in the rock. Biological processes on Earth favour the lighter isotope of carbon, carbon-12, over the heavier carbon-13. Hence, a high carbon-12 to carbon-13 ratio is taken as evidence of life and has been found in rocks up to 4000 million years old, even …
Tags: Spaceflight, Planets, Methane, red
Click Watch in HD “NASA’s Hubble Space Telescope has discovered carbon dioxide in the atmosphere of a planet orbiting another star. This is an important step along the trail of finding the chemical biotracers of extraterrestrial life as we know it. The Jupiter-sized planet, called HD 189733b, is too hot for life. But the Hubble observations are a proof-of-concept demonstration that the basic chemistry for life can be measured on planets orbiting other stars. Organic compounds can also be a by-product of life processes, and their detection on an Earth-like planet may someday provide the first evidence of life beyond Earth.”
Tags: Planets, planet, dioxide, carbon
Mars has always held a fascination for us on Earth – our immediate neighbour and the outermost of rocky terrestrial planet before the gas giants, such as Jupiter and Saturn. Since the first telescope observations of Mars in the early 1600s, we have wondered whether it could harbour life…
Tags: Mars, impacts, Ice, science
Don’t plan a visit to the inner layers of planet Uranus anytime soon – unless you don’t mind being crushed and boiled alive! A Traveler’s Guide to the Planets: Neptune and Uranus : TUE FEB 16 9P et/pt : channel.nationalgeographic.com
Tags: cryogenics, helium, hydrogen, planetary orbit
NASA scientists have discovered methane on Mars. Scientists are not yet sure what is creating this gas, but the explanation could be biological or geological.
Tags: discovery, planet, Exploration, rover
playlist titled “Shorts”
Lemme know what you think. Yeah, there’s an easter egg, a really easy one.
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Mars has always held a fascination for us on Earth – our immediate neighbour and the outermost of rocky terrestrial planet before the gas giants, such as Jupiter and Saturn. Since the first telescope observations of Mars in the early 1600s, we have wondered whether it could harbour life… … exomars esa aurora life martian universe european space agency mex mars impacts craters ice water methane exobiology science Jupiter Saturn
Tags: Water, mex, impacts, Mars
Jupiter-sized planet, called HD 189733b, is too hot for life. But the Hubble observations are a proof-of-concept demonstration that the basic chemistry for life can be measured on planets orbiting other stars. Organic compounds can also be a by-product of life processes, and their detection on an Earth-like planet may someday provide the first evidence of life beyond Earth.” … hubble space telescope news new carbon dioxide planet extrasolar life beyond earth hd co2 nasa jupiter 189733b star …
Tags: research, new, JPL, Earth
NASA scientists have discovered methane on Mars. Scientists are not yet sure what is creating this gas, but the explanation could be biological or geological.
Tags: discovery, rover, NASA, Exploration