Some astronomers say James Webb images refute the big bang theory
Over the past few days, an article has circulated on the Internet claiming that images taken by the James Webb Telescope (JWST) have debunked the big bang theory.
JWST is able to see the early days of the universe. However, an article titled “The Big Bang Didn’t Happen” claims that the JWST images somehow “caused panic among cosmologists” because they contradict the Big Bang theory.
The author of the article, Eric Lerner, goes on to quote another astronomer, Allison Kirkpatrick of the University of Kansas:
“Right now I’m lying awake at 3am wondering if I did everything wrong.”
“A friend warned me about this article and now I can’t stop getting emails applauding me for my bravery in making the Big Bang wrong,” she tweeted.
Kirkpatrick talked about various new data showing that galaxies have disks much sooner than we expected. While this may require adjustments to galaxy formation theories, it by no means revises the Big Bang theory, which Kirkpatrick did not refer to.
In fact, Kirkpatrick suggests that the JWST images “support the Big Bang model because they show us that early galaxies were different from the galaxies we see today – they were much smaller.”
In one part of the paper, Lerner seems to suggest that stars have been discovered that are older than the Big Bang theory would allow, and that since the JWST can see the color of distant galaxies, the red color of distant galaxies means they contain very old stars.
“According to the Big Bang theory, the most distant galaxies in JWST images are seen as they were only 400-500 million years after the beginning of the universe,” Lerner wrote.
“However, some galaxies have already shown stellar populations that are over a billion years old. Since nothing could have come into being before the Big Bang, the existence of these galaxies demonstrates that there was no Big Bang.”
Bu as Brian Keating points out, “We first have to make sure the calibration between redshift and distance is done” because the expansion of the universe causes a redshift.
At best, the papers Lerner cites suggest that we may need to revisit our theories about galaxy formation in order to explain how stellar disks appeared so quickly.
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
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.
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.
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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