A paper ... NASA Jet Propulsion Laboratory’s Centre for Near-Earth Object Studies have announced two space rocks made ... Read what's in the night sky for the month of September 2020 (Astronomical Calendar). Or pollution from unseen volcanoes. “Finding phosphine on Venus was an unexpected bonus,” she said.
Lamentablemente, las bacterias no son las únicas que producen metano; éste también puede ser producido por procesos geológicos. Lo que hace que el descrubrimiento de fosfina en el aire de Venus sea tan irresistible es que los investigadores se han devanado los sesos tratando de encontrar formas de explicar su presencia sin invocar a la biología. El astrónomo planetario David Grinspoon, del Instituto de Ciencia Planetaria, ha defendido persistentemente la idea de prestar más atención a Venus. There was a problem.
And these same acidic Venus clouds could potentially provide chemical energy to any microbes that may be floating around up there, researchers have said. “There could be two explanations. To feel that same amount of squeeze on our planet, you'd have to descend about 3,000 feet (900 meters) into the oceans. This would have been a very bad time to have lived on Venus making Pompeii look like a sparkler by comparison although we can infer that this happened by observing the young smooth surface that we see from our probes.
After all, nature is exceedingly adept at cooking up conditions and compounds that humans haven’t foreseen.
¿Pero vida venusiana? so, tell us what do think, and do you want to know more fascinating information about Venus then why don’t you comment down below…, Your email address will not be published. Sure, the planet's surface is famously inhospitable today — bone-dry and hot enough to melt lead, with an atmospheric pressure 90 times greater than that of Earth at sea level.
La presencia de fosfina en el aire podría compararse con encontrar excrementos en el desierto, una señal de que hay vida en los alrededores. If that happens, what is now an exciting discovery will become one that’s merely interesting.
The second is that … there’s life.”.
Pero a diferencia de todo lo demás que hemos encontrado en los cielos, ellos estarían vivos. Intriguingly, Venus' upper atmosphere also abounds with a mysterious compound that absorbs ultraviolet (UV) radiation, the high-energy light that causes sunburns here on Earth. Así que la cautela prevalece.
Researchers at Cardiff University and MIT, together with colleagues from both British and Asian universities, have just published a paper in the journal Nature in which they claim to have found a smelly, toxic gas – phosphine – high in the thick clouds of the Venusian atmosphere. Phosphine is a biosignature that is certainly less well studied but it is associated with anaerobic ecosystems hereon the earth. Future US, Inc. 11 West 42nd Street, 15th Floor, And some of his colleagues agree. Space is part of Future US Inc, an international media group and leading digital publisher. Receive mail from us on behalf of our trusted partners or sponsors? One is to simply find it, the underlying motivation for sending many of the rovers that crawl across Mars. Pero no podemos descartar un resultado más dramático: la posibilidad de que, finalmente, se haya demostrado que tenemos compañía cósmica. Maybe you’ve heard of it, thanks to its gorgeous images of protoplanetary disks.so using ALMA and another telescope called JCMT the team found that Venus’s atmosphere had an absorption feature indicative of the molecule phosphine chemical symbol ph3. If indeed there are living organisms floating in the dense air of Venus, it would enormously strengthen the argument that life is not a rarity, a cosmic miracle, but is as common as freckles. However, the actual metabolic pathway by which it is being produced in these anaerobic bacteria remains unknown. And if you have a news tip, correction or comment, let us know at: community@space.com.
It could be atmospheric chemistry.
One that there is some unknown chemical process that could somehow produce the phosphine. What happens at the center of a black hole?
La idea de que algunos microbios podrían estar flotando en estas nubes, extraordinariamente densas y templadas, no está fuera de lugar. Si el pasado es prógolo, la emoción que sigue al descubrimiento de este gas maloliente, dará paso a una explicación que no depende de la presencia de vida; después de todo, la naturaleza es experta en crear condiciones y compuestos que los humanos no habían previsto. On Earth, phosphine is produced by certain types of bacteria.
But Venus was a temperate world long ago, with seas that persisted for eons — perhaps 2 billion years or more, according to recent modeling research.
So, on that face 15 -sigma looks very secure but let’s remember that until it’s independently verified, we should remain cautious. "I think we should really take another look at Venus," Phillips said. Which only soviets have ever landed upon. They’ve considered the likelihood of weird chemical processes in the atmosphere that could produce it, or the possibility that it was spewed out of volcanoes below. Nobody knows what this stuff is or where it comes from, but some scientists have speculated that it could be a biological pigment — perhaps a sulfur-based sunblock of some sort.
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