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Atacama Cosmology Telescope

All articles tagged with #atacama cosmology telescope

Baby Universe in High Definition: Clearest View Yet of the Cosmic Dawn
science20 days ago

Baby Universe in High Definition: Clearest View Yet of the Cosmic Dawn

Astronomers using the Atacama Cosmology Telescope have produced the clearest image yet of the cosmic microwave background, revealing light from about 380,000 years after the Big Bang and mapping tiny temperature fluctuations that seeded the formation of galaxies. The improved data tighten constraints on cosmological parameters, including neutrino masses, and set the stage for future polarization measurements with the Simons Observatory, as researchers seek to connect early-Universe physics with observations of the modern cosmos.

via BBC Sky at Night Magazine|
#atacama-cosmology-telescope#cosmic-microwave-background#early-universe
'Cosmic Fossil' Confirms Einstein's Theory with New Dark Matter Map.
science-and-astronomy3 years ago

'Cosmic Fossil' Confirms Einstein's Theory with New Dark Matter Map.

A new map of the cosmos created by the Atacama Cosmology Telescope (ACT) collaboration shows the distribution of dark matter in sharp detail, confirming a theory of gravity pioneered by Albert Einstein over a century ago. The map covers a quarter of the sky over Earth and extends deep into the cosmos, and was created using a "cosmic fossil" known as the cosmic microwave background (CMB), radiation left over from just after the Big Bang. The ACT observations allowed the team to study the effect that gravitational lensing, also predicted by general relativity, has on the CMB, providing them with a great way of mapping ordinary matter and, especially, dark matter, which makes up about 85% of the material universe but remains mysterious.

via Space.com|
#atacama-cosmology-telescope#cosmic-microwave-background#cosmology
"New Dark Matter Map Confirms Einstein's Theory of Gravity"
science3 years ago

"New Dark Matter Map Confirms Einstein's Theory of Gravity"

An international team of over 160 astronomers used the Atacama Cosmology Telescope (ACT) to create a detailed map of dark matter, confirming Albert Einstein's theories about gravity and cosmology. The map shows that the "lumpiness" and expansion rate of the universe agree with the Standard Model of cosmology based on Einstein's theory of gravity. The study provides novel insights into an ongoing debate in cosmology and reaffirms the validity of the Standard Model of physics.

via TechSpot|
#albert-einstein#atacama-cosmology-telescope#cosmology
"Einstein's Theory of Gravity Validated by New Dark Matter Map"
science3 years ago

"Einstein's Theory of Gravity Validated by New Dark Matter Map"

A newly created dark matter map using the Atacama Cosmology Telescope has finally given undeniable proof that Albert Einstein's theory of general relativity was correct. Dark matter, an invisible force found throughout the universe, creates the gravity pull that determines how the universe curves and moves. Despite making up 85% of the universe's matter, dark matter has always been hard to detect. However, researchers have now been able to map out dark matter, proving that Einstein's theory was correct.

via Yahoo Entertainment|
#albert-einstein#atacama-cosmology-telescope#dark-matter
"Dark Matter Map Confirms Einstein's Theory of Gravity"
science3 years ago

"Dark Matter Map Confirms Einstein's Theory of Gravity"

A newly created dark matter map, using the Atacama Cosmology Telescope, has finally given undeniable proof that Albert Einstein's theory of general relativity was correct. Dark matter makes up 85% of the universe's matter and is the force creating the gravity pull that determines how the universe curves and moves. Despite being hard to detect, researchers have now mapped out the dark matter hiding within our universe, proving that Einstein's theory was correct.

via BGR|
#albert-einstein#atacama-cosmology-telescope#dark-matter
Massive Dark Matter Map Confirms Einstein's Theory of Gravity
science3 years ago

Massive Dark Matter Map Confirms Einstein's Theory of Gravity

Scientists have created a detailed map of dark matter's distribution across a quarter of the sky using data from the Atacama Cosmology Telescope in Chile. The map shows regions of mass extending as far back in time as we can see, using the cosmic microwave background as a backdrop for the dark matter portrait. Dark matter makes up about 27% of the universe and is not directly observable, but its gravitational effects can be observed at large scales. The new map validates Einstein's theory of gravity and suggests that the dark matter was lumpy enough to fit with the standard model of cosmology.

via Gizmodo|
#atacama-cosmology-telescope#cosmic-microwave-background#dark-matter
New Dark Matter Map Confirms Einstein's Theory of General Relativity
science3 years ago

New Dark Matter Map Confirms Einstein's Theory of General Relativity

The Atacama Cosmology Telescope collaboration has created a groundbreaking new map of dark matter distributed across a quarter of the entire sky, reaching deep into the cosmos, that confirms Einstein’s theory of how massive structures grow and bend light over the 14-billion-year life span of the universe. The new map uses light from the cosmic microwave background (CMB) essentially as a backlight to silhouette all the matter between us and the Big Bang. The findings provide further support to Einstein’s theory of general relativity, which has been the foundation of the standard model of cosmology for more than a century, and offer new methods to demystify dark matter.

via SciTechDaily|
#atacama-cosmology-telescope#cosmology#dark-matter
Unprecedented Mapping of Mysterious Dark Matter.
science3 years ago

Unprecedented Mapping of Mysterious Dark Matter.

The Atacama Cosmology Telescope (ACT) in Chile has produced the most detailed map of dark matter's influence on the Universe, tracing its distribution across almost 14 billion years of time and a quarter of the sky. Dark matter makes up about 85% of all mass in the Universe and influences the large-scale structure of everything we see. ACT used gravitational lensing to map the subtle distortions in the Cosmic Microwave Background, revealing all intervening structure on its journey to us. The distribution of matter agrees very well with scientific predictions, and ACT's observations indicate that the "lumpiness" of the Universe and the rate at which it has been expanding after 14 billion years of evolution are just what you'd expect from the standard model of cosmology.

via BBC|
#atacama-cosmology-telescope#cosmic-microwave-background#cosmology
New universe map confirms Einstein's dark matter theory.
astronomy3 years ago

New universe map confirms Einstein's dark matter theory.

Astronomers have created the most detailed map of dark matter using the universe's first light, which shows the enormous matter tendrils that formed after the Big Bang. The shapes of these tendrils are remarkably similar to those predicted using Einstein's theory of general relativity. The new result contradicts previous dark matter maps that suggested the cosmic web is less clumpy than Einstein's theory predicted. The researchers suggest that additional maps made using the ACT's data and fresh observations from the Simons Observatory could finally resolve the perplexing cosmic mystery.

via Livescience.com|
#astronomy#atacama-cosmology-telescope#cosmology
Einstein's theory of gravity confirmed by cosmic growth mapping.
science3 years ago

Einstein's theory of gravity confirmed by cosmic growth mapping.

Researchers from the Atacama Cosmology Telescope (ACT) collaboration have created a groundbreaking new image that reveals the most detailed map of dark matter distributed across a quarter of the entire sky, extending deep into the cosmos. The new map confirms Einstein's theory of how massive structures grow and bend light, over the entire 14-billion-year life span of the universe. The team tracks how the gravitational pull of large, heavy structures including dark matter warps the cosmic microwave background radiation (CMB) on its 14-billion-year journey to us, like how a magnifying glass bends light as it passes through its lens.

via Phys.org|
#atacama-cosmology-telescope#cosmic-microwave-background-radiation#cosmology