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originally posted by: TonyS
a reply to: bgerbger
I read this this morning and found it quite interesting.
I do have one question though, why would anyone think Aliens would be transmitting on any means or bandwith we can detect or even know about?
I'd think you would do better looking for a heat signature or electro magnetic pulse or gravity anomaly.
originally posted by: St Udio
a reply to: gortex
we share the same stage
But...(i'm always invoking the Buts..)... perhaps that slab of rock was intended as a burial platform for some regional galactic leader (sort of in the Viking Burial mode of a boat sent adrift and set-on-fire) sent into the 'infinity'-of-Space instead of the local body-of-water
no communication devices or antennas' for that type of stylized burial in Space
originally posted by: MichiganSwampBuck
Maybe this is part of that NASA announcement on Thursday? I hope they give us a good picture, the one provided seems to be an artistic rendering.
originally posted by: KiwiNite
Radio signals? They're probably using some sort of quantum instant comms but radios? It's like trying to see if they're using smoke signals to communicate and move on after finding nothing.
he study, which recently appeared online under the title "Project Lyra: Sending a Spacecraft to 1I/'Oumuamua (former A/2017 U1), the Interstellar Asteroid", was conducted by members of the Initiative for Interstellar Studies (i4iS) – a volunteer organization that is dedicated to making interstellar space travel a reality in the near future. The study was supported by Asteroid Initiatives LLC, an asteroid-prospecting company that is dedicated to facilitating the exploration and commercial exploitation of asteroids.
No mission in the history of space exploration has traveled this fast, and the fastest missions to date have only been able to manage about two-thirds that speed. This includes the fastest spaceship to leave the Solar System (Voyager 1) and the fastest spaceship at launch (the New Horizons mission). So creating a mission that could catch up to it would be a major challenge. As the team wrote:
"This [is] considerably faster than any object humanity has ever launched into space. Voyager 1, the fastest object humanity has ever built, has a hyperbolic excess velocity of 16.6 km/s. As 1I/'Oumuamua is already leaving our solar system, any spacecraft launched in the future would need to chase it."
However, as they go on to state, taking on this challenge would inevitably result in key innovations and developments in space exploration technology. Obviously, the launch of such a mission would need to happen sooner other than later, given the asteroid's rapid rate of travel. But any mission that is launched within a few years' time will not be able to take advantage of later technical developments.
These revealed that `Oumuamua measured some 400 meters (1312 feet) long, is very elongated, and spins on its axis every 7.3 hours – as indicated by the way its brightness varies by a factor of ten.
Based on calculations of the asteroid's orbit, it has been determined that 1I/`Oumuamua is traveling at a speed of 26 km/s – which works out to 95,000 km/hour (59,000 mph).