Comet ATLAS approaching
Comet C/2019 Y4 ATLAS, discovered in December 2019 by the Asteroid Terrestrial-impact Last Alert System (ATLAS) in Mauna Loa in Hawaii is approaching the inner solar system. It is currently observed to be disintegrating.
Comet Borisov fragmenting
Interstellar comet 2I/Borisov, discovered in 2019, has been seen breaking apart in March 2020. Hubble Space Telescope observations indicate that fragments of the comet are drifting away, as reported in the Astronomer’s Telegram on April 2, 2020.
Possible Interstellar Comet Discovered
Comet 2I/Borisov, discovered on August 29, 2019, has astronomers intrigued as it is only the second known object to be have an orbit and velocity that suggests it is of interstellar origin. It’s orbit has an eccentricity of about 3.5. It will reach perihelion on December 7, 2019.
Pure CSS Filters
While researching solutions for an AJAX/dynamic filtering solution, I tested a proof-of-concept way to implement hiding and showing of items using only CSS. No Javascript or AJAX!
Hyperactive comets and terrestial water
New study shows a certain family of comets contain water similar to earth’s water.
Comet 46P making close approach
The comet 46P/Wirtanen (46P) is set to make a close approach to Earth this weekend. At its closest, 46P will pass a mere 11.7 million km from our planet.
Rosetta completes mission with controlled impact
ESA’s Rosetta mission has concluded with a controlled descent into Comet 67P/Churyumov–Gerasimenko. “The descent gave Rosetta the opportunity to study the comet’s gas, dust and plasma environment very close to its surface, as well as take very high-resolution images… after becoming the first spacecraft to orbit a comet, and the first to deploy a lander, Philae, […]
Rosetta Photos
Rosetta’s OSIRIS camera team has launched a new website to showcase their recent images of Comet 67P/Churyumov–Gerasimenko. View archive
Comet Catalina Viewing Guide
Comet Catalina now visible in pre-dawn skies in December.