Comets
Hubble observes first confirmed interstellar comet  SCIENCE DAILY · 2 days
Hubble has given astronomers their best look yet at an interstellar visitor -- comet 2I/Borisov -- whose speed and trajectory indicate it has come from beyond our solar system. Comet 2I/Borisov is only the second such... more
2nd Interstellar Comet Looks Pretty Normal, Astronomers Say  LIVE SCIENCE · 4 days
Observations of the interstellar Comet Borisov have been flooding in for six weeks, and the more astronomers duplicate one another's work, the more confident they are in their analysis of the object. more
2I/Borisov: Interstellar comet with a familiar look  PHYS.ORG · 5 days
A new comet discovered by amateur astronomer Gennady Borisov is an outcast from another star system, yet its properties are surprisingly familiar, a new study led by Jagiellonian University researchers shows. The team's findings... more
Diatomic Carbon Detected in Interstellar Comet 2I/Borisov  SCI-NEWS.COM · 6 days
Astronomers have detected the emission from the small carbon chains C2 in the coma of 2I/Borisov, the first known interstellar comet to... more
ESO Releases Beautiful New Image of Comet C/2016 R2  SCI-NEWS.COM · 1 week
The European Southern Observatory (ESO) has released an incredibly beautiful image of an Oort cloud comet called C/2016... more
Astronomers find cyanide gas in interstellar object 2I/Borisov  PHYS.ORG · 2 weeks
When the mysterious object known as 'Oumuamua passed Earth in October of 2017, astronomers rejoiced. In addition to being the first interstellar object detected in our solar system, its arrival opened our... more
Parting views  ESA · 3 weeks
Space Science Image of the Week: One of Rosetta’s final images before touching down on the comet three years ago more
Naming of New Interstellar Visitor: 2I/Borisov  ASTRO WATCH · 3 weeks
A new object from interstellar space has been found within the Solar System, only the second such discovery of its kind. Astronomers are turning... more
New frontier for science as astronomers detect gas molecules in comet from another star  PHYS.ORG · 3 weeks
An international team of astronomers, including Queen's University Belfast researchers, have made a historic discovery, detecting gas molecules in a... more
Second-Known Interstellar Object Gets Official Name: 2I/Borisov  SCI-NEWS.COM · 3 weeks
New observations and analysis of the recently-discovered comet C/2019 Q4 have confirmed its hyperbolic orbit and interstellar origin. Experts from the Minor... more
Newfound Cosmic 'Gateway' Funnels Small, Icy Objects to the Inner Solar System  LIVE SCIENCE · 4 weeks
Beginning as small, icy bodies on the outskirts of the solar system, comets turn into spectacular streaks of light when they pass through a... more
Comet gateway discovered to inner solar system, may alter fundamental understanding of comet evolution  PHYS.ORG · 4 weeks
A new study led by a University of Central Florida researcher may fundamentally alter our understanding of how comets arrive... more
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Hubble observes first confirmed interstellar comet
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