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Jupiter’s moon Ganymede may harbor extraterrestrial life, scientists say



If not for the fact that this celestial body is a satellite of the planet Jupiter, due to its huge size, it could well pass for a planet. The diameter of Ganymede is more than 5200 km, which is even larger than Mercury and only slightly smaller than Mars.

In March 2016, the Hubble Space Telescope also made a surprising discovery that indicates the existence of a large ocean of salt water on the moon.

And, as far as we know, the presence of liquid water is vital, as it may indicate the existence of alien life.

“This discovery marks an important milestone, highlighting what only Hubble can achieve,” said John Grunsfeld, former NASA Science Mission Directorate Associate Administrator.

Planetologists believe Ganymede could be one of the places where extraterrestrial life can be found in our solar system, besides Earth.

“During its 25 years in orbit, Hubble has made many scientific discoveries in the solar system. Deep in the ocean beneath Ganymede’s icy crust lie more interesting possibilities for life beyond Earth.”

“We believe that the ocean of Ganymede contains more water than Europe,” explains Olivier Vitasse, scientist who oversees the ESA mission Jupiter Ice Moon Explorer. “The oceans of Ganymede have six times as much water as Earth and three times as much as Jupiter’s moon Europa.”

As another Juice mission scrutinizes Ganymede and Europa, another NASA mission, dubbed Clipper, will focus on exploring the latter.

Thus, in a few years, we will have a complete panorama of the oceanic satellites surrounding the largest planets in the solar system.

Ganymede is the largest planetary moon in the entire solar system and the only one that has its own magnetic field. Thanks to the magnetic field at the poles of Ganymede, the northern lights are perfectly observed. The satellite is within the magnetic field of Jupiter, which is why the northern lights periodically change.

The discovery of a huge body of water under the moon’s icy landscape has increased the chances of detecting extraterrestrial life without leaving the solar system, scientists say.

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Alien space debris stuck in Earth’s orbit, researchers say




Recently, a group of experts from Harvard University, led by physics
professor Avi Loeb, announced the possible presence of alien space
debris in Earth’s orbit, reports the Daily Star.

space research expert Professor Loeb is confident that the discovery of
such “interstellar objects could help expand our knowledge of possible
alien civilizations and technologies. A team of scientists is conducting
research to confirm that some of the objects in our orbit may be
connected to other star systems.

During an interview with Live
Science, Professor Loeb explained that these objects could enter the
solar system from interstellar space, defying Jupiter’s gravitational
pull and occupying limited orbits around the sun.

Some of them may
have technological origins similar to the probes sent by mankind into
interstellar space, such as Voyager 1 and Voyager 2, Pioneer 10 and 11
and New Horizons.

despite these interesting assumptions, Professor Loeb did not specify
what specific objects he was talking about. In his research report, he
notes that there could be “a significant number” of potentially
detectable objects in Earth’s orbit.

To confirm their assumptions,
the team of scientists uses computer simulations and the Vera Rubin
Observatory (Chile) with a high-resolution camera of 3.2 billion pixels.
This will allow for regular observations of the Southern sky and the
possibility of detecting several captured objects about the size of a
football field.

It is assumed that these interstellar objects passed through the
boundaries of the solar system and may carry unique information about
other civilizations and their technologies. If we could confirm the
origin of these objects, the mysteries that open before us, this would
be a real breakthrough in space exploration.

Professor Loeb
expresses hope that the new research will not only help expand our
knowledge of extraterrestrial technologies, but may also lead to the
discovery of new alien civilizations . Answers to such questions can be
of global significance and influence our understanding of the place of
mankind in the Universe.

while there are still many questions and assumptions, the study by
Professor Loeb and his team opens a new chapter in space exploration.
Each new discovery can be the key to deciphering the mysteries of the
cosmos and the possibility of encountering alien life forms.

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Betelgeuse is acting strange again




Betelgeuse, a red giant on the brink of death, continues to show
unusual behavior. After the Great Blackout, which occurred in late 2019
and early 2020, the star became unusually bright. It is now the seventh
brightest star in the sky, while it normally ranks tenth. This has led
to speculation that Betelgeuse is preparing to explode in a
spectacularly large supernova.

However, scientists believe it’s too early to tell, and it’s likely
that this behavior is due to ongoing fluctuations after the Great
Blackout of 2019, and the star will return to normal within a decade.

Betelgeuse is one of the most interesting stars in the sky. It is
about 700 light-years from Earth and is a red giant in the last stage of
its life. It is also an unusual star for a red giant because it was
previously a monster blue-white O-type star, the most massive class of

Betelgeuse has changed its spectral type because it has almost
exhausted its hydrogen reserves. It now burns helium into carbon and
oxygen and has expanded to a gigantic size: about 764 times the size of
the Sun and about 16.5 to 19 times its mass.

Eventually it will run out of fuel to burn, become a supernova, eject
its outer material, and its core will collapse into a neutron star.

Before the Great Blackout, Betelgeuse also had periodic fluctuations
in brightness. The longest of these cycles is about 5.9 years and the
other is 400 days. But it seems that the Great Blackout caused changes
in these oscillations.

A new paper by astrophysicist Morgan McLeod of the
Harvard-Smithsonian Center for Astrophysics has shown that the 400-day
cycle appears to have been halved. This pulsational cycle is probably
caused by expansion and contraction within the star. According to
simulations carried out by MacLeod and his colleagues, the convective
flow inside Betelgeuse may have risen and become material that separates
from the star.

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