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originally posted by: Baddogma
a reply to: BeefNoMeat
Well, in the spirit of giving a darn and since I happen to have seen Cosmos and PBS back before the effort to dumb down the populace was begun in earnest, a pulsar is thought to be a rotating star made of collapsed matter (a nuetron star or maybe a white dwarf) that sends out a beam of incredible energy like a lighthouse.
EDIT: as I stro0lled along the internet, the wine buzz receded and a nagging voice encroached on my smug self ... this following original comment is W R O N G ( So much energy is emitted that we can detect pulsars literally on the other side of the universe) as that is a quasar, not a pulsar, which is not as energetic as a quasar. Okay, back to the original posted comment. End edit.
Geeks agree that they are collapsed stars made of the densest matter but fun people say they are intergalactic beacons set up by ancient civilizations to help navigate.
Either way, cool article and here's hoping we got a winner in the other sentience lottery.
In radio astronomy, a fast radio burst (FRB) is a high-energy astrophysical phenomenon of unknown origin manifested as a transient radio pulse lasting a few milliseconds on average
Unlike many radio sources the signal from a burst is detected in a short period of time with enough strength to stand out from the noise floor. The burst usually appears as a single spike of energy without any change in its strength over time. The bursts last for a period of several milliseconds (thousandths of a second.
originally posted by: neutronflux
a reply to: Archivalist
If I gave up trying to convince astronomers on the radio observation teams involved, why would I put an equal amount of effort into trying to convince some guy on the internet?
Why convince when you could create a logical proof citing evidence of an intelligent design design to the signal?
originally posted by: druid1
Surely with frequencies as low as 400 MHz the all we need is a black and white tv set 🤓
From 400 up to 700 MHz is sat coms, mobile phones and military coms radio astronomy is usually around 700 MHz
Just because our base 10 math tells us it's the power of 500 suns to send this signal does not necessarily mean that this is correct 💥😎
We always think we know everything
reply to: atsgrounded
Newton's "cradle" means when met with and equal and opposite force then that's where the wall of physics lays on both sides of energy transmission or transference.
Best to think of a radio wave in telescopes(telemetry or tessellation in a visual spectrum that calculates D=r/t eventually all of that ping ping, pong pong and ping pong, pong ping returns a field of view; the same as the eye naturally does. Sonar does the same thing in water environments like fish finders also mapping the bottom.
Fast radio bursts are intense bursts of radio emission that have durations of milliseconds and exhibit the characteristic dispersion sweep of radio pulsars.