Tag #Comet

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forbes.com

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Sep 21, 16:20

Perplexity Offers Free Pro Access via PayPal and Venmo

Perplexity is offering free access to its AI chatbot, Perplexity Pro, and early access to its new web browser, Comet, to PayPal and Venmo users in select countries until December 31st, 2025, expanding its free service reach through partnerships.

Perplexity Offers Free Pro Access via PayPal and Venmo

Perplexity is offering free access to its AI chatbot, Perplexity Pro, and early access to its new web browser, Comet, to PayPal and Venmo users in select countries until December 31st, 2025, expanding its free service reach through partnerships.

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What is the key feature of this Perplexity promotion and who is it targeted at?

The promotion offers free access to Perplexity Pro, an AI chatbot known for research accuracy, and early access to the Comet web browser. It targets PayPal and Venmo users in select countries, expanding its user base.

dailymail.co.uk

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Jul 28, 13:17

Largest Interstellar Object 3I/ATLAS Discovered: Size and Composition Analyzed

Scientists have discovered that interstellar object 3I/ATLAS, measuring seven miles (11.2km) in diameter, is the largest ever observed, significantly larger than previously known interstellar objects 'Oumuamua and Comet Borisov. Analysis of its coma suggests a natural, not artificial, origin despite...

Largest Interstellar Object 3I/ATLAS Discovered: Size and Composition Analyzed

Scientists have discovered that interstellar object 3I/ATLAS, measuring seven miles (11.2km) in diameter, is the largest ever observed, significantly larger than previously known interstellar objects 'Oumuamua and Comet Borisov. Analysis of its coma suggests a natural, not artificial, origin despite...

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What is the composition of 3I/ATLAS's coma, and how does this finding impact the hypothesis of its artificial origin?

The discovery of 3I/ATLAS's immense size refines our understanding of interstellar objects. Its dimensions, significantly larger than previously observed objects like 'Oumuamua (0.2 miles) and Comet Borisov (0.6 miles), challenge existing models of interstellar object formation and trajectories. The comet's large coma, composed of ice and dust, further supports its natural origin.

dailymail.co.uk

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Jul 11, 01:15

Interstellar Object 3I/ATLAS Originated from Older Stars in Milky Way

Harvard physicist Avi Loeb and researcher Shokhruz Kakharov traced interstellar object 3I/ATLAS's path to a region of older stars in the Milky Way, estimating it to be over 4.6 billion years old and possibly a comet, unlike the younger 1I/Oumuamua and similarly aged 2I/Borisov.

Interstellar Object 3I/ATLAS Originated from Older Stars in Milky Way

Harvard physicist Avi Loeb and researcher Shokhruz Kakharov traced interstellar object 3I/ATLAS's path to a region of older stars in the Milky Way, estimating it to be over 4.6 billion years old and possibly a comet, unlike the younger 1I/Oumuamua and similarly aged 2I/Borisov.

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What is the origin and age of the interstellar object 3I/ATLAS, and what are the immediate implications of this discovery?

Harvard physicist Avi Loeb and his student Shokhruz Kakharov have traced the interstellar object 3I/ATLAS to a region of older stars in the Milky Way's disk. This 12-mile-wide object, traveling at 150,000 mph, is estimated to be older than our sun, showing signs of being a comet with a gas and dust cloud and tail.

forbes.com

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Jul 11, 13:13

Interstellar Comet 3I/ATLAS: Potentially Oldest Comet Ever Seen

The interstellar object 3I/ATLAS, potentially 7.6 to 14 billion years old, was detected in June 2024 and is believed to originate from the Milky Way's "thick disk." Its trajectory and composition could reveal insights into early galactic processes.

Interstellar Comet 3I/ATLAS: Potentially Oldest Comet Ever Seen

The interstellar object 3I/ATLAS, potentially 7.6 to 14 billion years old, was detected in June 2024 and is believed to originate from the Milky Way's "thick disk." Its trajectory and composition could reveal insights into early galactic processes.

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What is the significance of 3I/ATLAS's potential age and origin in relation to our understanding of solar system and galactic formation?

The interstellar object 3I/ATLAS, discovered in June 2024, is estimated to be 12 miles in diameter and follows an eccentric trajectory suggesting an origin outside our solar system. Scientists believe it could be the oldest comet ever observed, potentially 7.6 to 14 billion years old, significantly older than our 4.5-billion-year-old solar system.

foxnews.com

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Jun 26, 10:15

Largest-Ever Comet, C/2014 UN271, Emits Carbon Monoxide Jets

Astronomers using the ALMA telescope have discovered that comet C/2014 UN271, located near Neptune, is 85 miles across—more than 10 times larger than any known comet—and emits carbon monoxide gas jets; this discovery offers unique insights into cometary evolution and the early solar system.

Largest-Ever Comet, C/2014 UN271, Emits Carbon Monoxide Jets

Astronomers using the ALMA telescope have discovered that comet C/2014 UN271, located near Neptune, is 85 miles across—more than 10 times larger than any known comet—and emits carbon monoxide gas jets; this discovery offers unique insights into cometary evolution and the early solar system.

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How do the observed carbon monoxide jets and outgassing patterns of comet C/2014 UN271 contribute to our understanding of cometary evolution and behavior?

The comet's size and composition provide insights into the formation and evolution of comets. The observed outgassing patterns raise questions about how the comet will behave as it approaches the sun, offering a unique opportunity to study a primitive icy body.

china.org.cn

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Feb 20, 04:09

Cometary Boulder's Movement Explained by "Rocket Effect" from Ice Outburst

Chinese scientists, using data from ESA's Rosetta mission, discovered that a 140-meter northward movement of a boulder on comet 67P in 2015 was caused by an asymmetric outburst of volatile ice creating a "rocket effect", providing new insights into cometary activity and solar system evolution.

Cometary Boulder's Movement Explained by "Rocket Effect" from Ice Outburst

Chinese scientists, using data from ESA's Rosetta mission, discovered that a 140-meter northward movement of a boulder on comet 67P in 2015 was caused by an asymmetric outburst of volatile ice creating a "rocket effect", providing new insights into cometary activity and solar system evolution.

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Life Below Water

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What are the broader implications of this discovery for our understanding of cometary evolution and the origins of life within the solar system?

This discovery advances our understanding of cometary processes, suggesting that internal ice dynamics play a significant role in surface changes. Further research into such mechanisms will provide crucial insights into the formation and evolution of planetary systems and the origins of life.

foxnews.com

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Aug 11, 01:17

Interstellar Object 3I/ATLAS: Unusual Trajectory Sparks Alien Probe Speculation

Harvard professor Avi Loeb highlights the unusual characteristics of interstellar object 3I/ATLAS—a forward glow, improbable trajectory near Mars, Venus, and Jupiter—suggesting it might be an alien probe, a claim requiring further investigation.

Interstellar Object 3I/ATLAS: Unusual Trajectory Sparks Alien Probe Speculation

Harvard professor Avi Loeb highlights the unusual characteristics of interstellar object 3I/ATLAS—a forward glow, improbable trajectory near Mars, Venus, and Jupiter—suggesting it might be an alien probe, a claim requiring further investigation.

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What are the potential long-term implications of 3I/ATLAS, especially if its origin or purpose is extraterrestrial?

The possibility that 3I/ATLAS is an alien probe is raised. Its unusual characteristics could point to a designed trajectory or even a reconnaissance mission, significantly impacting our understanding of the cosmos and humanity's place within it. Further research and observation are needed.

pda.kp.ru

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Jul 18, 16:17

Interstellar Object 3I/ATLAS: Comet, Asteroid, or Spacecraft?

The interstellar object 3I/ATLAS, currently 465 million kilometers from Earth, presents contradictory data: images show a comet-like tail, yet spectral analysis reveals an asteroid-like composition, prompting speculation of an interstellar spacecraft; its size is estimated at 24 kilometers, and its ...

Interstellar Object 3I/ATLAS: Comet, Asteroid, or Spacecraft?

The interstellar object 3I/ATLAS, currently 465 million kilometers from Earth, presents contradictory data: images show a comet-like tail, yet spectral analysis reveals an asteroid-like composition, prompting speculation of an interstellar spacecraft; its size is estimated at 24 kilometers, and its ...

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What are the key contradictory findings regarding the nature of 3I/ATLAS, and what are the immediate implications for our understanding of interstellar objects?

The interstellar object 3I/ATLAS, initially classified as a comet, exhibits contradictory characteristics. Ground-based and space-based telescopes show conflicting data, with some suggesting it's an asteroid while others show evidence of a cometary tail. Harvard astronomer Avi Loeb hypothesizes it's an interstellar spacecraft, explaining the inconsistencies.

bbc.com

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Jul 11, 13:13

Seven-Billion-Year-Old Interstellar Comet Discovered

Astronomers have discovered 3I/Atlas, a potentially seven-billion-year-old interstellar comet from the Milky Way's thick disk, detected by the Atlas survey telescope in Chile on July 1st, 2025; its approach to the sun later this year may create a visible tail.

Seven-Billion-Year-Old Interstellar Comet Discovered

Astronomers have discovered 3I/Atlas, a potentially seven-billion-year-old interstellar comet from the Milky Way's thick disk, detected by the Atlas survey telescope in Chile on July 1st, 2025; its approach to the sun later this year may create a visible tail.

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How does the discovery of 3I/Atlas contribute to our knowledge of interstellar objects and their formation in different galactic regions?

3I/Atlas's trajectory and composition suggest it formed around an ancient star in the Milky Way's thick disk, a region of older stars. This discovery allows scientists to study the oldest parts of our galaxy and better understand its stellar populations.

elmundo.es

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Jul 3, 13:13

Giant Interstellar Object Detected

An estimated 20-30 kilometer interstellar object, provisionally named A11pl3Z, has been detected by telescopes in Chile and is being tracked by observatories worldwide, including those in Tenerife and La Palma; it poses no threat to Earth.

Giant Interstellar Object Detected

An estimated 20-30 kilometer interstellar object, provisionally named A11pl3Z, has been detected by telescopes in Chile and is being tracked by observatories worldwide, including those in Tenerife and La Palma; it poses no threat to Earth.

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How was A11pl3Z detected, and what role do observatories like those in the Canary Islands play in confirming its interstellar origin and determining its trajectory?

The object's trajectory indicates it will pass by Earth at approximately the distance of Mars in a few months, posing no collision risk. Multiple observatories worldwide, including those in Tenerife and La Palma, are tracking its path to precisely determine its orbit and definitively confirm its interstellar origin, which is already considered highly probable (99.99%).

cnn.com

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Apr 19, 19:14

Potential Biosignatures Detected on Exoplanet K2-18b

Astronomers detected molecules in the atmosphere of exoplanet K2-18b, 124 light-years from Earth, that on Earth are produced only by marine phytoplankton, suggesting the possibility of life on this Hycean world; however, confirmation is pending.

Potential Biosignatures Detected on Exoplanet K2-18b

Astronomers detected molecules in the atmosphere of exoplanet K2-18b, 124 light-years from Earth, that on Earth are produced only by marine phytoplankton, suggesting the possibility of life on this Hycean world; however, confirmation is pending.

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Life Below Water

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What recent discovery offers potential evidence of life beyond Earth, and what are its implications?

Astronomers are searching for biosignatures, such as molecules produced by life (e.g., dimethyl sulfide), in exoplanet atmospheres and analyzing geological evidence like microfossils in Martian rocks. The discovery of dimethyl sulfide in the atmosphere of K2-18b, a Hycean world, is a significant development, though not definitive proof of extraterrestrial life.

forbes.com

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Feb 9, 04:08

Comet C/2024 G3 (ATLAS): Fragmentation Creates Stunning Celestial Display

Comet C/2024 G3 (ATLAS), discovered April 5, 2024 by the ATLAS survey, reached perihelion January 13, 2025, fragmenting spectacularly and providing stunning views, especially in the Southern Hemisphere, before dimming rapidly.

Comet C/2024 G3 (ATLAS): Fragmentation Creates Stunning Celestial Display

Comet C/2024 G3 (ATLAS), discovered April 5, 2024 by the ATLAS survey, reached perihelion January 13, 2025, fragmenting spectacularly and providing stunning views, especially in the Southern Hemisphere, before dimming rapidly.

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What were the key characteristics and observable effects of Comet C/2024 G3 (ATLAS)'s perihelion passage?

Comet C/2024 G3 (ATLAS), discovered on April 5, 2024 by the ATLAS survey, reached perihelion on January 13, 2025. Subsequently, its nucleus fragmented, resulting in a spectacular display, particularly visible in the Southern Hemisphere. Stunning images were captured from various locations, including Chile and the European Southern Observatory in Paranal.

Showing 1 to 12 of 13 results