Current Comet News and Events

Current Comet News and Events, Comet News Articles.
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SwRI scientists image a bright meteoroid explosion in Jupiter's atmosphere
From aboard the Juno spacecraft, a Southwest Research Institute-led instrument observing auroras serendipitously spotted a bright flash above Jupiter's clouds last spring. The Ultraviolet Spectrograph (UVS) team studied the data and determined that they had captured a bolide, an extremely bright meteoroid explosion in the gas giant's upper atmosphere. (2021-02-22)

The comet that killed the dinosaurs
In a study published in Scientific Reports, Avi Loeb puts forth a new theory that could explain the origin and journey of the comet that killed the Chicxulub impactor and others like it. (2021-02-15)

Comet or asteroid: What killed the dinosaurs and where did it come from?
It forever changed history when it crashed into Earth about 66 million years ago. The Chicxulub impactor, as it's known, left behind a crater off the coast of Mexico that spans 93 miles and runs 12 miles deep. (2021-02-15)

Dalian coherent light source reveals the origin of interstellar medium S2 fragments
Researchers observed the C+S2 product channel from CS2 photodissociation for the first time using a home-made Time-Sliced Velocity Map Ion Imaging (TS-VMI) experimental setup, based on the Dalian Coherent Light Source (DCLS). (2021-01-28)

Recently discovered comet seen during 2020 total solar eclipse
As Chile and Argentina witnessed the total solar eclipse on Dec. 14, 2020, unbeknownst to skywatchers, a little tiny speck was flying past the Sun -- a recently discovered comet. (2020-12-18)

Mass extinctions of land-dwelling animals occur in 27-million-year cycle
Mass extinctions of land-dwelling animals--including amphibians, reptiles, mammals, and birds--follow a cycle of about 27 million years, coinciding with previously reported mass extinctions of ocean life, according to a new analysis published in the journal Historical Biology. (2020-12-11)

Researchers discovered solid phosphorus from a comet
An international study led from the University of Turku, Finland, discovered phosphorus and fluorine in solid dust particles collected from a comet. The finding indicates that all the most important elements necessary for life may have been delivered to the Earth by comets. (2020-11-26)

Scientists claim controversial results of comets observations are consistent
Astrophysicists from Far Eastern Federal University (FEFU) joined the international research team for explaining the difference in the results of observation of the comet 41P/ Tuttle - Giacobini - Kresak. Researchers believe that data obtained by three independent teams are complementary and its complex analysis helps to unravel the mystery of dust chemical composition of comet 41P and other conundrums of the Universe. A related article appears in Astronomy & Astrophysics. (2020-11-25)

Building blocks of life can form long before stars
An international team of scientists have shown that glycine, the simplest amino acid and an important building block of life, can form under the harsh conditions that govern chemistry in space. (2020-11-16)

The craters on Earth
A two-volume atlas presents and explains the impact sites of meteorites and asteroids worldwide (2020-11-03)

Astronomers discover activity on distant planetary object
A team of astronomers, led by doctoral student Colin Chandler in Northern Arizona University's Astronomy and Planetary Science PhD program, earlier this year announced their discovery of activity emanating from Centaur 2014 OG392, a planetary object first found in 2014. They published their findings in The Astrophysical Journal Letters. As a result of the team's discovery, the Centaur has recently been reclassified as a comet, and will be known as 'C/2014 OG392 (PANSTARRS).' (2020-10-28)

Second alignment plane of solar system discovered
A study of comet motions indicates that the Solar System has a second alignment plane. Analytical investigation of the orbits of long-period comets shows that the aphelia of the comets, the point where they are farthest from the Sun, tend to fall close to either the well-known ecliptic plane where the planets reside or a newly discovered 'empty ecliptic.' This has important implications for models of how comets originally formed in the Solar System. (2020-09-29)

SwRI instruments aboard Rosetta help detect unexpected ultraviolet aurora at a comet
Data from Southwest Research Institute-led instruments aboard ESA's Rosetta spacecraft have helped reveal auroral emissions in the far ultraviolet around a comet for the first time. (2020-09-21)

Comet Chury's ultraviolet aurora
On Earth, auroras, also called northern lights, have always fascinated people. An international consortium involving the University of Bern has now discovered such auroras in the ultraviolet wavelength range at comet 67P/Churyumov-Gerasimenko, Chury for short. This phenomenon was detected thanks to the analysis of data from the European Space Agency ESA's Rosetta mission. (2020-09-21)

SwRI-led study indicates sand-sized meteoroids are peppering asteroid Bennu
A new study published this month in JGR Planets posits that the major particle ejections off the near-Earth asteroid Bennu may be the consequence of impacts by small, sand-sized particles called meteoroids onto its surface as the object nears the Sun. The study's primary author is Southwest Research Institute scientist Dr. William Bottke, who used data from NASA's OSIRIS-REx mission. (2020-09-09)

Hubble snaps close-up of celebrity comet NEOWISE
The Hubble Space Telescope has snapped the closest images yet of the sky's latest visitor to make headlines, comet NEOWISE, after it passed by the Sun. This is the first time Hubble has photographed a comet of this brightness at such resolution after this close of a pass by the Sun. (2020-08-21)

Hubble snaps close-up of comet NEOWISE
The NASA/ESA Hubble Space Telescope has captured the closest images yet of the sky's latest visitor to make the headlines, comet C/2020 F3 NEOWISE, after it passed by the Sun. The new images of the comet were taken on 8 August and feature the visitor's coma, the fine shell that surrounds its nucleus, and its dusty output. (2020-08-21)

NASA data helps uncover our solar system's shape
Scientists have developed a new prediction of the shape of the bubble surrounding our solar system using a model developed with data from NASA missions. (2020-08-05)

Astrophysicists suggest carbon found in comet ATLAS help to reveal age of other comets
Astrophysicists from Far Eastern Federal University (FEFU, Russia), South Korea, and the USA appear in Monthly Notices of the Royal Astronomical Society, suggesting carbon indicates time comets have spent in the Solar System -- the less carbon, the longer they have been in the proximity of the Sun. The proof is their study of the comet ATLAS (C/2019 Y4) approaching the Earth in May 2020 and disintegrated with displaying a major outbreak of the carbonaceous particles. (2020-07-13)

FEFU astrophysicists revealed ten-microne silicate feature in large dust particles
Astrophysicists of Far Eastern Federal University (FEFU) with colleagues from Russia and oversea have revealed that large and dense particles with irregular shapes possess a 10 nm silicate feature introduced in lots of comets and protoplanetary discs. The outcome based on 15 examples of olivine silicate studied doesn't meet Mie theory provisions applied for comet particles modeling and capable of helping to reconsider the results of data. A related article appears in Icarus. (2020-07-07)

NRL telescope onboard ESA, NASA SOHO discovers 4000th comet
NRL's Large Angle Spectrometric Coronagraph (LASCO) instrument identified the 4000th comet discovered by the Solar and Heliospheric Observatory (SOHO), a joint mission between the European Space Agency and NASA on June 15. (2020-06-25)

4,000th comet discovered by ESA and NASA Solar Observatory
On June 15, 2020, a citizen scientist spotted a never-before-seen comet in data from the Solar and Heliospheric Observatory, or SOHO -- the 4,000th comet discovery in the spacecraft's 25-year history. (2020-06-17)

ATLAS telescope discovers first-of-its-kind asteroid
University of Hawai'i telescope discovers extraordinary asteroid with comet-like features that has researchers puzzled. (2020-05-21)

New comet discovered by ESA and NASA solar observatory
In late May and early June, Earthlings may be able to glimpse Comet SWAN. The comet is currently faintly visible to the unaided eye in the Southern Hemisphere just before sunrise. The new comet was first spotted in April 2020, by an amateur astronomer named Michael Mattiazzo using data from the SOHO satellite. (2020-05-13)

Hubble captures breakup of comet ATLAS
The NASA/ESA Hubble Space Telescope has provided astronomers with the sharpest view yet of the breakup of Comet C/2019 Y4 (ATLAS). The telescope resolved roughly 30 fragments of the fragile comet on April 20 and 25 pieces on April 23. (2020-04-28)

Hubble watches comet ATLAS disintegrate into more than 2 dozen pieces
These two Hubble Space Telescope images of comet C/2019 Y4 (ATLAS), taken on April 20 and 23, 2020, provide the sharpest views yet of the breakup of the fragile comet. (2020-04-28)

ALMA reveals unusual composition of interstellar comet 2I/Borisov
A galactic visitor entered our solar system last year -- interstellar comet 2I/Borisov. When astronomers pointed the Atacama Large Millimeter/submillimeter Array (ALMA) toward the comet on Dec. 15-16, 2019, for the first time they directly observed the chemicals stored inside an object from a planetary system other than our own. This research is published online on April 20, 2020, in the journal Nature Astronomy. (2020-04-20)

New formation theory explains the mysterious interstellar object 'Oumuamua
Since its discovery in 2017, an air of mystery has surrounded the first known interstellar object to visit our solar system, an elongated, cigar-shaped body named 'Oumuamua. How was it formed, and where did it come from? A new study published April 13, 2020 in Nature Astronomy offers a first comprehensive answer to these questions. (2020-04-13)

BU astrophysicist and collaborators reveal a new model of our heliosphere
BU astrophysicist and collaborators reveal a new model of our heliosphere that's shaped somewhere in between a croissant and a beach ball. (2020-03-19)

Ammonium salts reveal reservoir of 'missing' nitrogen in comets
Substantial amounts of ammonium salts have been identified in the surface material of the comet 67P/Churyumov-Gerasimenko, researchers report, likely revealing the reservoir of nitrogen that was previously thought to be 'missing' in comets. (2020-03-12)

Fire from the sky
Before the Taqba Dam impounded the Euphrates River in northern Syria in the 1970s, an archaeological site named Abu Hureyra bore witness to the moment ancient nomadic people first settled down and started cultivating crops. A large mound marks the settlement, which now lies under Lake Assad. (2020-03-06)

New platform for composing genetic programs in mammalian cells
A new ensemble of parts for mammalian synthetic biology will enable the design and construction of genetic programs not previously possible. (2020-02-07)

The salt of the comet
Under the leadership of astrophysicist Kathrin Altwegg, Bernese researchers have found an explanation for why very little nitrogen could previously be accounted for in the nebulous covering of comets: the building block for life predominantly occurs in the form of ammonium salts, the occurrence of which could not previously be measured. The salts may be a further indication that comet impacts may have made life on Earth possible in the first place. (2020-01-20)

Here and gone: Outbound comets are likely of alien origin
Astronomers at the National Astronomical Observatory of Japan (NAOJ) have analyzed the paths of two objects heading out of the Solar System forever and determined that they also most likely originated from outside of the Solar System. These results improve our understanding of the outer Solar System and beyond. (2020-01-17)

Astronomers reveal interstellar thread of one of life's building blocks
Phosphorus is an essential element for life as we know it. But how it arrived on the early Earth is something of a mystery. Astronomers have now traced the journey of phosphorus from star-forming regions to comets using the combined powers of ALMA and the European Space Agency's probe Rosetta. Their research shows where molecules containing phosphorus form, how this element is carried in comets, and how a particular molecule may have played a crucial role in starting life on Earth. (2020-01-15)

Screen could offer better safety tests for new chemicals
Using specialized liver cells, MIT researchers have created a new test that can quickly detect potentially cancer-causing DNA damage. (2019-12-17)

Interstellar comet 2I -- Borisov swings past sun
Comet 2I/Borisov is a mysterious visitor from the depths of space -- the first identified comet to arrive here from another star. Hubble images capture the comet streaking though our solar system and on its way back to interstellar space. It's only the second interstellar object known to have passed through the solar system. (2019-12-12)

New NASA image provides more details about first observed interstellar comet
A new image from NASA's Hubble Space Telescope provides important new details about the first interstellar comet astronomers have seen in our solar system. 'Data from the Hubble Space Telescope give us the best measure of the size of comet 2I/Borisov's nucleus, which is the really important part of the comet,' said David Jewitt, a UCLA professor of planetary science and astronomy who analyzed and interpreted the data from the new image. (2019-12-12)

Hubble watches interstellar comet Borisov speed past the sun
The NASA/ESA Hubble Space Telescope has once again captured comet 2I/Borisov streaking through our solar system on its way back into interstellar space. At a breathtaking speed of over 175 000 kilometres per hour, Borisov is one of the fastest comets ever seen. It is only the second interstellar object known to have passed through the Solar System. (2019-12-12)

OSIRIS-REx cameras capture particle ejection from asteroid Bennu
Cameras aboard NASA's OSIRIS-REx spacecraft captured close-up shots of material being ejected from the surface of the near-Earth asteroid Bennu. The images offer a detailed look at small-scale mass loss events on an active asteroid, whereas before, observations have been limited to only the largest phenomena. (2019-12-05)

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