"In over-expanded exhaust, you get shock waves to increase pressure back up to background: shock diamonds, lower altitude. In under-expanded exhaust, you get expansion fans at the nozzle exit to decrease pressure and match background: jellyfish, at high altitude NASA is joining the hunt for UFOs, a top space agency official said Thursday, forming a team that would examine observations of events that cannot be identified as aircraft or known natural. “Over-expanded means nozzle exit P is less than surroundings-expanded too much. While NASA currently does not believe UAP/UFOs are extraterrestrial in origin, UFO team lead David Spergel said, Given the paucity of observations, our first task is simply to gather the most. He said: "Under-expanded means nozzle exit pressure is greater than surroundings, so gas needs to expand more (drop pressure) to match. Professor Chris Combs, from the University of Texas at San Antonio explained the odd object moving in the sky and why it resembled a jellyfish and it's all to do with the engine's nozzle. NASA said in a news release: There is no evidence UAPs are extraterrestrial in origin.' The agency’s involvement is aimed at providing more data, with an aim to leverage NASA’s scientific talent, satellites and sensors otherwise tasked with monitoring Earth’s climate or observing atmospheric conditions, Zurbuchen said. People saw a bright and fast moving object in the sky which was followed by a glowing oblong aura.Īlthough many were left puzzled by what the ' UFO ' could have been, it was revealed to be a SpaceX Falcon 9 rocket which was launched at Florida's Kennedy Space Center. Nasa will reveal its discovery in a news conference on Oceans Beyond Earth this. They write, “logic suggests a species which has reached sufficient complexity to achieve communication through the cosmos would also very likely have attained high levels of cooperation amongst themselves and thus will know the importance of peace and collaboration,” adding that if communication were to be established, the outcome would vastly outweigh the concerns.Recently, locals in Waycross, Georgia, in the US, were left baffled when they witnessed a 'space jellyfish' flying over the skies at the start of the month. of alien lifeforms in our solar system and beyond is coming this week. They suggest that an alien society capable of communication throughout the cosmos may have learned the value of peace and collaboration and that mankind may benefit greatly from their knowledge. The United States space agency said on Thursday that an independent team would examine unidentified flying objects or unidentified aerial phenomena (UAP) with a focus on identifying available data. Previously, astronomer Joe Gertz of the Search for Extraterrestrial Intelligence (SETI) has expressed concerns that attempts to communicate with aliens could lead to “the reckless endangerment of all mankind.”Īccording to Buchanan, beings from other worlds are likely to be more advanced than humans, making them an even larger threat.ĭr Jiang and his colleagues remain optimistic, however. A few years ago, this notion seemed farfetched today, the existence of extraterrestrial intelligence is taken for granted. “We only have to look at ourselves to see how intelligent life might develop into something we wouldn’t want to meet.”Īccording to him, meeting aliens is similar to Christopher Columbus meeting Native Americans: “That didn’t turn out so well.”Īlso read | NASA is hiring priests to prepare humans for contact with aliens Genius professor Stephen Hawking while speaking to Discovery Channel during the filming of a documentary, warned that we need to refrain from trying to contact aliens or we just might end up with the kind of attention we regret. Lindsay Hays are trying to answer one of the most profound questions ever: Is there life beyond Earth Explore more: Producer: Scott Bednar. However, that doesn’t mean it doesn’t exist. “Humanity has, we contend, a compelling story to share and the desire to know of others – and now has the means to do so,” say the scientists in their report which is yet to be peer-reviewed.Īccording to the paper, a future message could include additional frequencies of greater complexity, incorporating major pieces of music such as Beethoven's, Mozart's, or Bach's symphonies.Įxperts believe it is very unlikely that an intelligent civilisation will intercept the message, and even if it happens, establishing an intelligent, fruitful conversation can prove challenging since it will take tens of thousands of years for the message to reach its intended target.Īnother possibility is that the aliens might not understand the message and consider it gibberish.Īnd then there are other concerns…What if we somehow invite the wrath of civilisations far superior to ours? Do aliens exist Extraterrestrial life has never been discovered.
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