A new study has revealed two unidentified electromagnetic pulses emanating from a distant star, Ursa Major, sparking hopes of a breakthrough in the search for extraterrestrial life.
A new study published in the journal Acta Astronautica has revealed an intriguing phenomenon – two unidentified electromagnetic pulses emanating from a distant constellation, Ursa Major. The star in question, HD 89389, is approximately 100 light-years away and has been observed by veteran NASA scientist Richard Stanton.
An electromagnetic pulse (EMP) is a sudden release of electromagnetic energy that can damage electronic devices and infrastructure.
EMPs can be caused by natural phenomena, such as solar flares or lightning strikes, or by human-made sources like nuclear explosions or high-powered microwave devices.
The effects of an EMP depend on the intensity and duration of the pulse, as well as the type of device affected.
A strong EMP can disable electrical systems, while a weaker one may only cause minor disruptions.
“In 2023, I detected an unexpected signal from the star: two identical and fast pulses roughly 4.4 seconds apart that made it flash brightly, dim, and then flash again.”
HD 89389 is a star located approximately 154 light-years from Earth in the constellation of Cassiopeia.
It is a G-type main-sequence star, meaning it is similar to the 'Sun' and fuses hydrogen into helium in its core.
With a mass about 1.04 times that of the 'Sun', HD 89389 is considered a relatively stable and long-lived star.
Its surface temperature is around 5,800 Kelvin, which is slightly cooler than the 'Sun's' surface temperature.
This variation is too strong to be caused by random noise or atmospheric turbulence. The source of this variation cannot be as far away as the star itself, as Stanton explained.
“The signals were initially dismissed as being caused by birds, but further analysis revealed that they could not be easily explained.”

The electromagnetic pulses emitted from HD 89389 bear a striking resemblance to another surprise twin pulse observation from 2019, emanating from a hot gas giant now named Dimidium.
Dimidium is a Latin term that translates to 'half' in English.
In ancient Roman law, dimidium referred to the half-share of an estate or property.
This concept was crucial in determining inheritance and ownership rights.
The dimidium rule also applied to divorce cases, where one spouse would receive 'half of the marital assets'.
Historically, the term has been used in various contexts, including finance and law, to denote a portion or percentage of something.
“Until we learn more, we can’t even say whether or not extraterrestrials are involved!”
Stanton has posited various explanations for the strange signals, including atmospheric conditions on Earth or an anomalous reading due to our planet’s gravity. However, none of these explanations have been satisfying, and Stanton remains uncertain about the nature of the signal.
It is too early to determine whether extraterrestrial life is involved in the detection of these unexplained pulses. The investigation continues, with Stanton emphasizing that the source of the signal could be something passing between us and the star or generated by something modulating the star’s light without moving across the field.
While the signals from Ursa Major remain unexplained, they are undoubtedly fascinating and offer a promising lead in the search for extraterrestrial life.