by Sarah Frazier NASA’s Goddard Space Flight Center
GREENBELT, Md. — NASA’s Parker Solar Probe was at the right place at the right time to capture a unique view of comet NEOWISE on July 5, 2020. Parker Solar Probe’s position in space gave the spacecraft an unmatched view of the comet’s twin tails when it was particularly active just after its closest approach to the Sun, called perihelion.
By Sarah Frazier NASA’s Goddard Space Flight Center
GREENBELT, Md. — 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.
GREENBELT, Md. (NASA PR) — NASA’s Solar Terrestrial Relations Observatory, or STEREO-A spacecraft, captured these images of comet ATLAS as it swooped by the Sun from May 25 – June 1. During the observations and outside STEREO’s field of view, ESA/NASA’s Solar Orbiter spacecraft crossed one of the comet’s two tails.
PARIS (ESA PR) — ESA’s Solar Orbiter will cross through the tails of Comet ATLAS during the next few days. Although the recently launched spacecraft was not due to be taking science data at this time, mission experts have worked to ensure that the four most relevant instruments will be switched on during the unique encounter.
by Jeanette Kazmierczak NASA’s Goddard Space Flight Center
GREENBELT, Md. (NASA PR) — For the first time, NASA’s Neil Gehrels Swift Observatory tracked water loss from an interstellar comet as it approached and rounded the Sun. The object, 2I/Borisov, traveled through the solar system in late 2019.
“Borisov doesn’t fit neatly into any class of solar system comets, but it also doesn’t stand out exceptionally from them,” said Zexi Xing, a graduate student at the University of Hong Kong and Auburn University in Alabama who led the research. “There are known comets that share at least one of its properties.”
MOUNTAIN VIEW, Calif. (SETI Institute PR) — Discovered in December, Comet ATLAS was expected to become the brightest comet of 2020, visible to the naked eye. Several days ago, however, astronomers began to suspect that the comet had split into multiple pieces when it began dimming rapidly. At Unistellar, this created a unique opportunity to summon our community of citizen astronomers together to collect a high-quality image of this beautiful, but dying cosmic phenomenon.
PARIS (ESA PR) — Since March 2017, ESA’s NELIOTA project has been regularly looking out for ‘lunar flashes’ on the Moon, to help us better understand the threat posed by small asteroid impacts. The project detects the flash of light produced when an asteroid collides energetically with the lunar surface, and recently recorded its 100th impact. But this time, it was not the only one watching.
TOKYO (NAOJ PR) — 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.
PARIS (ESA PR) — Scientists analysing the treasure trove of images taken by ESA’s Rosetta mission have turned up more evidence for curious bouncing boulders and dramatic cliff collapses.
Rosetta operated at Comet 67P/Churyumov-Gerasimenko between August 2014
and September 2016, collecting data on the comet’s dust, gas and plasma
environment, its surface characteristics and its interior structure.
PASADENA, Calif. (NASA PR) — A newly discovered comet has excited the astronomical community this week because it appears to have originated from outside the solar system. The object — designated C/2019 Q4 (Borisov) — was discovered on Aug. 30, 2019, by Gennady Borisov at the MARGO observatory in Nauchnij, Crimea. The official confirmation that comet C/2019 Q4 is an interstellar comet has not yet been made, but if it is interstellar, it would be only the second such object detected. The first, ‘Oumuamua, was observed and confirmed in October 2017.
NASA selected two projects for funding focused on developing in-space welding technologies as part of its recent round of Small Business Innovation Research (SBIR) awards.
The space agency selected Busek Company of Natick, Mass., and Made in Space of Jacksonville, Fla., for phase 1 awards worth up to $125,000 apiece for six months.
“Busek proposes to initiate the development of a semi-autonomous, teleoperated welding robot for joining of external (or internal metallic uninhabited volume at zero pressure) surfaces in space,”according to the proposal summary. “This welding robot will be an adaptation of a versatile Busek developed system called SOUL (Satellite On Umbilical Line) with a suitable weld head attached to it.