IRON AND ICE

News About Asteroids And Comets

2,242 articles

Shedding light on comet Chury's unexpected chemical complexity
Jul 05, 2022 (SPX)
Comets are fossils from the ancient times and from the depths of our Solar System, and they are relics from the formation of the sun, planets, and moons. A team...
Tenoumer Crater, Mauritania
Jul 01, 2022 (ESA)
Zoom in to explore this image in its full 10 m resolution. Tenoumer Crater, visible in the centre of the image, is 1.9 km wide. The rims of the crater rise some...
Bernese researchers simulate defense of the Earth
Jun 30, 2022 (SPX)
66 million years ago, a giant asteroid impact on the Earth likely caused the extinction of the dinosaurs. Currently no known asteroid poses an immediate threat....
Impact in 2052 ruled out as ESA counts down to Asteroid Day
Jun 30, 2022 (ESA)
With Asteroid Day Live 2022 set for 30 June, we can safely say that the riskiest asteroid known to humankind in the last year will not strike - at least not for...
Exotic carbon microcrystals in meteorite dust
Jun 29, 2022 (SPX)
This dust includes some unusually shaped microcrystals of carbon. A study of the morphology and simulations of the formation of these crystals by a consortium l...
Unraveling a meteorite mystery reveals solar system origin story
Jun 29, 2022 (SPX)
The raw material from which our Solar System was constructed was dispersed when the shock wave from an exploding supernova injected material into a cloud of dus...
NASA Announces Launch Delay for Its Psyche Asteroid Mission
Jun 24, 2022 (SPX)
Due to the late delivery of the spacecraft's flight software and testing equipment, NASA does not have sufficient time to complete the testing needed ahead of i...
Arecibo Observatory scientists help unravel surprise asteroid mystery
Jun 24, 2022 (SPX)
After getting an alert, the radar scientists zoned in on the asteroid, which was coming from Earth's blind spot - solar opposition. Zambrano-Marin and the team ...
NASA spacecraft observes Asteroid Bennu's boulder 'Body Armor'
Jun 19, 2022 (SPX)
"These observations give new insight into how asteroids like Bennu respond to energetic impacts," said Edward (Beau) Bierhaus of Lockheed Martin Space, Littleto...
Hera asteroid mission's first step
Jun 16, 2022 (ESA)
The mission's Propulsion Module flight model, seen here, has been delivered to Avio, southeast of Rome, where propellant tanks, thrusters and associated pipes a...
New maps of asteroid Psyche reveal an ancient world of metal and rock
Jun 16, 2022 (SPX)
Ahead of the mission, which is led by principal investigator Lindy Elkins-Tanton '87, SM '87, PhD '02, planetary scientists at MIT and elsewhere have now provid...
What happened before, during and after solar system formation
Jun 10, 2022 (SPX)
The higher temperature of the protosun would have led to an increased output of radiation, which could have caused photoevaporation (evaporation due to energy f...
Comet chaser mission moves from blueprint to reality
Jun 10, 2022 (SPX)
Due for launch in 2029, it will see one main spacecraft and two robotic probes - the other built by the Japanese Space Agency (JAXA) - travel to an as-yet unide...
Scientists release first analysis of rocks plucked from speeding asteroid
Jun 10, 2022 (SPX)
Scientists have now begun to announce the first results from the analysis of this extraordinary sample. What they found suggests that this asteroid is a piece o...
Comet Interceptor approved for construction
Jun 09, 2022 (ESA)
Comet Interceptor aims to scrutinise a comet that has spent little time in the inner Solar System, or is possibly visiting it for the first time. Whilst Rosetta...
NASA's Lucy Mission Continues Solar Array Deployment Process
Jun 09, 2022 (JPL)
The motor operated as expected, further reeling in the lanyard that pulls the solar array open. After running the motor for a series of short intervals to avoid...
Planetary Defense exercise uses Apophis as Hazardous Asteroid Stand-In
Jun 01, 2022 (JPL)
To that end, more than 100 astronomers from around the world participated in an exercise last year in which a large, known, and potentially hazardous asteroid w...
Asteroid Institute uses cloud-based astrodynamics platform to find and track asteroids
Jun 01, 2022 (SPX)
The ADAM platform is an open-source computational system that runs astrodynamics algorithms using the scalable computational and storage capabilities in Google ...
New meteor shower? How many meteors will I see, really?
May 29, 2022 (SPX)
We get excited about meteor showers, too! But sometimes events like this don't live up to expectations - it happened with the 2019 Alpha Monocerotid shower, for...
Dwarf planet Ceres was formed in coldest zone of Solar System and thrust into Asteroid Belt
May 18, 2022 (SPX)
Ceres is the largest object in the Asteroid Belt, a collection of celestial bodies located between the orbits of Mars and Jupiter. It is roughly spherical and c...
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