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[ Molecular oxygen has been spotted beyond the Milky Way for the first time ]

For the first time, astronomers have found molecular oxygen ‘ the same gas humans need to breathe ‘ in a galaxy outside the Milky Way. Oxygen is the third most common element in the cosmos, after hydrogen and helium. Molecular oxygen has been spotted beyond News Molecular oxygen has been spotted beyond the Milky Way for the first timeScience News8 hours agoBut despite repeated searches, no one had ever seen molecular oxygen beyond our galaxy — until now. Junzhi Wang, an astronomer at ... So astronomers once thought molecular oxygen, O2, would be common in the space between the stars. Flipboard: Molecular oxygen has been spotted beyond the ... oxygen has been spotted beyond the Milky Way for the first time sciencenews.org - Ken Croswell For the first time, astronomers have found molecular oxygen — the same gas humans need to breathe — in a galaxy outside the Milky Way. Oxygen is the … But despite repeated searches, no one had ever seen molecular oxygen beyond our galaxy ‘ until now. Junzhi Wang, an astronomer at Shanghai Astronomical Observatory in China, and his colleagues spotted the molecule’s calling card in a galaxy named Markarian 231. Lying 560 million light-years away in the constellation Ursa Major, Markarian 231 is the nearest galaxy to Earth that contains a quasar, where gas whirls around a supermassive black hole and gets so hot that it glows brilliantly. (SN: 8/31/15). Using radio telescopes in Spain and France, the astronomers saw radiation at a wavelength of 2.52 millimeters, a signature of O2’s presence, the team reports in the Feb. 1 Astrophysical Journal. ‘This is the first detection of molecular oxygen in an extragalactic object,’ Wang says.

Publisher: Science News
Date: 2020-02-18T14:00:29+00:00
Twitter: @sciencenews
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The spiral galaxy NGC 2008 sits center stage, its ghostly spiral arms spreading out toward us, in this image captured by the NASA/ESA Hubble Space Telescope.

Publisher: phys.org
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The Man Who Coloured the Cosmos

FEW PEOPLE have a building named after them, much less an asteroid, a planet or a star. But a whole galaxy? Filled with billions and billions of stars? That’s what happened to David Malin, one of Australia’s most celebrated astronomers and one the world’s foremost astronomical photographers. Cellular adaptation to oxygen deficiency beyond the Nobel ... the cellular adaptation to oxygen deficiency -hypoxia- has a profound impact on our knowledge of the pathogenesis of several diseases. The elucidation of the molecular machinery that ... And it happened by accident.

In 1976, he was collecting new images for a book by fellow astronomers at the then spanking new Anglo-Australian Observatory in Siding Spring, near Coonabarabran, in outback New South Wales state.

‘I started playing with these plates from the UK Schmidt Telescope in the darkroom,’ he recalls. Videos for Molecular Oxygen Has Been Spotted Beyond 7:02MONEO | WHO | Talking Heads - Life During WartimeYouTube Trialling a technique he had only just invented ‘ one that extracted more of the faint light from stars ‘ he noticed something unusual: ‘A galaxy near the Virgo cluster had a funny thing sticking out of it. I didn’t know what it was, or even if it was meaningful.’

Publisher: medium.com
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Are We Alone in the Universe?

The first scientific estimate concerning the number of intelligent, spacefaring, communicative extraterrestrials came from the American astronomer Frank Drake. His method of constructing estimates for the number of intelligent extraterrestrial civilizations’developed in 1961’gave rise to what’s now known as the Drake equation.

Although his estimates’and even his framing of the problem’are outdated today, we no longer rely on the degree of guesswork we once did. In the decades since Drake first set about his task, we’ve surveyed the vast abyss of the distant universe and discovered many important things. Oxygen Discovery Could Complicate Search for Alien Life course, molecular oxygen is common on Earth, having first been pumped out in enormous quantities by photosynthetic blue-green algae about 2.5 billion years ago. Until now, though, astronomers... We’ve learned the size of the observable universe and the duration of time since the hot Big Bang. We know that there are at least 2 trillion visible galaxies. We now understand star formation, stellar populations, and how stars burn through their fuel and die. We know that over the entire cosmic history of the observable universe, there have been approximately 1024 unique stars.

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Greetings Earthlings: Those crazy UFOs again! The data presented above may one day be zapped to another dimension. Just thought you should be aware. Alert, alert. YOU HAVE BEEN WARNED.