We've Been Receiving A Mysterious Signal Every 22 minutes For 35 Years
0The mysterious signal GPM J1839-10 Could it be from an extraterrestrial civilization?
On our planet, two critical observatories help us observe any radio signal from space in the Earth's two hemispheres, the North and the South.
These two observatories are the Very Large Array, abbreviated as (VLA), located in New Mexico, and the Murchison Widefield Array, abbreviated as (MWA), in Australia. Both observatories have enormous radio antennas and radio telescopes distributed in extensive desert fields.
These radio telescopes are strategically located in those areas of the world to capture signals in both hemispheres of our planet with better precision since they are susceptible to radio waves from other stars and distant galaxies.
But recently, scientists working at the VLA and the MWA published an article describing a surprising radio signal source that reaches Earth every 22 minutes and whose nature is still unknown.
This signal, classified as GPM J1839-10, is unique and remains one of the most recent mysteries of astronomy. So... What is this signal that repeats every 22 minutes? Could it come from an intelligent extraterrestrial race trying to communicate with us?
Join us on this journey of knowledge to find out!
It arrived on Earth 35 years ago
To understand the source of radiation, scientists decided to check if something similar had been recorded before in this area of the sky. And they were surprised to find the same signal at the same point in the recordings made in 2018. That's when they assumed that something was exciting and unknown was producing that pulsating signal.
Furthermore, when scientists checked the recordings made with the Very Large Array, they found the GPM J1839-10 signal in recordings made in 1988, when this radio telescope was just beginning to operate. This means that the human race has been capturing this signal for more than 30 years, but because it has been such a long period, they had not paid attention to it until now.
What object can produce signals like this?
Seeing that it was a pulsating signal with an exact and repetitive frequency, astronomers immediately thought of the only object in the universe capable of emitting that type of signal: a Pulsar.
A pulsar is a rapidly rotating and highly magnetized neutron star.
Magnetar
A magnetar is a type of neutron star with an extremely intense magnetic field, among the strongest observed in the universe. A highly magnetic Magnetar is among the cosmos's most energetic and exotic forms of matter.
agnetar. So… What could this mysterious signal be?
Highly magnetic white dwarf
Another option is that this signal could be a white dwarf with an unusual magnetic field.
White dwarfs are the remnant of a star the size of our sun that died and left a remnant of
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Credits: Ron Miller, Mark A. Garlick / MarkGarlick.com ,Elon Musk/SpaceX/ Flickr
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00:00 Intro
1:32 It arrived on Earth 35 years ago
2:20 What object can produce signals like this?
7:50 angular momentum
8:56 Magnetar
10:40 gamma ray emissions
11:50 Highly magnetic white dwarf
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