Recently in the Asteroids Category


The Potential Of Earth's Mini-Moons

The detection of "mini-moons" -- small asteroids temporarily captured in orbit around Earth -- will vastly improve our scientific understanding of asteroids and the Earth-Moon system, says a new review published in Frontiers in Astronomy and Space Science.

Microscopic Speck From An Asteroid

Seen on a microscopic support, this sharp-edged grain of rock is an extraterrestrial object - a tiny sample from the Itokawa asteroid, retrieved by Japan's Hayabusa mission and now being tested by ESA researchers.

Twenty Years of Planetary Defense

On March 11, 1998, asteroid astronomers around the world received an ominous message: new observational data on the recently discovered asteroid 1997 XF11 suggested there was a chance that the half-mile-wide (nearly one kilometer) object could hit Earth in 2028.

New observations by three of the world's largest radio telescopes have revealed that an asteroid discovered last year is actually two objects, each about 3,000 feet (900 meters) in size, orbiting each other.

Hayabusa2 Rendezvous with Ryugu

JAXA confirmed Hayabusa2, JAXA's asteroid explorer, rendezvoused with Ryugu, the target asteroid.

New SPHERE view of Vesta

Sitting between Mars and Jupiter, the doughnut-shaped asteroid belt is packed full of rocky bodies and debris.

The onboard ONC-T (Optical Navigation Camera - Telescopic) imaged Ryugu from June 18, 2018 at around 12:00 JST to June 20 at around 19:00 JST.

A new multiagency report outlines how the U.S. could become better prepared for near-Earth objects -- asteroids and comets whose orbits come within 30 million miles of Earth -- otherwise known as NEOs.

Experiments conducted at Berkeley Lab helped to confirm that samples of interplanetary particles - collected from Earth's upper atmosphere and believed to originate from comets - contain dust leftover from the initial formation of the solar system.

An object is revolving around the sun in the vicinity of Jupiter but in the opposite direction from most other celestial bodies, according to a study featuring a Brazilian scientist as co-author.

An international team of astronomers has used ESO telescopes to investigate a relic of the primordial Solar System.

The first interstellar object ever seen in our solar system, named 'Oumuamua, is giving scientists a fresh perspective on the development of planetary systems.

New research finds that 'Oumuamua, the rocky object identified as the first confirmed interstellar asteroid, very likely came from a binary star system.

On February 26, 2018, Hayabusa2 saw its destination -asteroid Ryugu- for the first time.

Arecibo Radar Studies Asteroid Phaethon

Arecibo has provided the highest-resolution images to date of near-Earth asteroid 3200 Phaethon.

Scientists from the Johns Hopkins University Applied Physics Laboratory (APL) joined in the recent international effort to observe -- and create a detailed profile of -- the first known large object from interstellar space to pass through our solar system.

These images were taken by ESO's SPHERE (Spectro-Polarimetric High-contrast Exoplanet REsearch) instrument, installed on ESO's Very Large Telescope (VLT) at the Paranal Observatory, Chile.

For the first time ever astronomers have studied an asteroid that has entered the Solar System from interstellar space.

The visit of the interstellar interloper 1I/2017 U1, recently spotted streaking through the solar system, gives the people of Earth their first chance to study up close an object from another planetary system.

An international team of astronomers led by NASA scientists successfully completed the first global exercise using a real asteroid to test global response capabilities.

Like rude relatives who jump in front your vacation snapshots of landscapes, some of our solar system's asteroids have photobombed deep images of the universe taken by NASA's Hubble Space Telescope.

A diagnostic tool, similar in theory to those used to non-invasively image internal organs could be equally effective at "triaging" extraterrestrial rocks and other samples before they are shipped to Earth for further analysis.

A small, recently discovered asteroid -- or perhaps a comet -- appears to have originated from outside the solar system, coming from somewhere else in our galaxy.

Curtin University planetary scientists have shed some light on the evolution of asteroids, which may help prevent future collisions of an incoming 'rubble pile' asteroid with Earth.

NASA's Hubble Space Telescope helped an international team of astronomers find that an unusual object in the asteroid belt is, in fact, two asteroids orbiting each other that have comet-like features.

Radar images of asteroid 3122 Florence obtained at the 70-meter antenna at NASA's Goldstone Deep Space Communications Complex between August 29 and September 1 have revealed that the asteroid has two small moons.

se flyby of a small asteroid and plan to use its upcoming October close approach to Earth as an opportunity not only for science, but to test NASA's network of observatories and scientists who work with planetary defense.

Pitted terrains inside fresh complex craters on Ceres are similar to terrains seen Mars and Vesta, and are likely formed through the rapid evaporation of subsurface H2O

NASA's Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) mission has released its third year of survey data, with the spacecraft discovering 97 previously unknown celestial objects in the last year.

Psyche, NASA's Discovery Mission to a unique metal asteroid, has been moved up one year with launch in the summer of 2022, and with a planned arrival at the main belt asteroid in 2026 -- four years earlier than the original timeline.

If an asteroid struck Earth, which of its effects--scorching heat, flying debris, towering tsunamis--would claim the most lives? A new study has the answer: violent winds and shock waves are the most dangerous effects produced by Earth-impacting asteroids.

Asteroids on the main belt, situated between Mars and Jupiter, move around the Sun in quasi circular orbits, so they do not undergo the temperature changes which, in comets, produce the characteristic tails.

The appearance of small bodies in the outer solar system could be deceiving. Asteroids and dwarf planets may be camouflaged with an outer layer of material that actually comes from somewhere else.

2015 TC25, The Tiniest Asteroid

Astronomers have obtained observations of the smallest asteroid ever characterized in detail.

In the edition of Space, Euronews correspondent Jeremy Wilks reports from the Observatory of the C├┤te d'Azur in the south of France on a unique mission to deflect an asteroid.

Following a key program review, NASA approved the Asteroid Redirect Mission (ARM) to proceed to the next phase of design and development for the mission's robotic segment. ARM is a two-part mission that will integrate robotic and crewed spacecraft operations in the proving ground of deep space to demonstrate key capabilities needed for NASA's journey to Mars.

Inside the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center technicians and engineers cycle the sample return capsule (SRC) door in a test of NASA's Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer, or OSIRIS-REx spacecraft.

OSIRIS-REx spacecraft will launch September 2016 and travel to a near-Earth asteroid known as Bennu to harvest a sample of surface maNASA to Map the Surface of an Asteroid

A small asteroid has been discovered in an orbit around the sun that keeps it as a constant companion of Earth, and it will remain so for centuries to come.

An asteroid discovered by NASA's NEOWISE spacecraft has been given the formal designation 316201 Malala, in honor of Malala Yousafzai of Pakistan, who received the Nobel Peace Prize in 2014.

A paper published in the journal Science Advances, lead author Karen Meech of the University of Hawai`i's Institute for Astronomy and her colleagues conclude that C/2014 S3 (PANSTARRS) formed in the inner Solar System at the same time as the Earth itself, but was ejected at a very early stage.

NASA's Near-Earth Object Wide-field Survey Explorer (NEOWISE) mission has released its second year of survey data. The spacecraft has now characterized a total of 439 NEOs since the mission was re-started in December 2013. Of these, 72 were new discoveries.

NASA is calling all space enthusiasts to send their artistic endeavors on a journey aboard NASA's Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) spacecraft.

A new report chartered by NASA provides input to important areas of robotic mission requirements development and explores the science benefits and potential knowledge gain from the agency's Asteroid Redirect Mission (ARM).

Puzzling Asteroid Observations Explained

An international team composed of researchers from Finland, France, the United States and the Czech Republic originally set out to construct a state-of-the-art model of the NEO population that is needed for planning future asteroid surveys and spacecraft missions.

On 2013 February 15 the approach of asteroid (367943) Duende to our planet was being closely monitored by both the public and the scientific community worldwide when suddenly a superbolide entered the atmosphere above the region of Chelyabinsk in Russia.

ESA's Asteroid Micro-Lander

This is the micro-lander that ESA's proposed Asteroid Impact Mission would put down on its target asteroid.

NASA has formalized its ongoing program for detecting and tracking near-Earth objects (NEOs) as the Planetary Defense Coordination Office (PDCO).

Radar Images of Asteroid 2003 SD220

Asteroid 2003 SD220 safely flew past Earth on Dec. 24 at a distance of 6.8 million miles (11 million kilometers).

The Formulation Assessment and Support Team (FAST) for the Asteroid Redirect Mission (ARM)Draft Report has been released for public comment.

New Detector Perfect for Asteroid Mining

The grizzled asteroid miner is a stock character in science fiction. Now, a couple of recent events -- one legal and the other technological -- have brought asteroid mining a step closer to reality.

Since it began operations in December 2009, NASA's NEOWISE mission has observed 158,000 asteroids and discovered more than 35,000.

Boulders are ubiquitously found on the surfaces of small rocky bodies in the inner solar system and their spatial and size distributions give insight into the geological evolution and collisional history of the parent bodies.

The highest-resolution radar images of asteroid 2015 TB145's safe flyby of Earth have been processed.

The large space rock that will zip past Earth this Halloween is most likely a dead comet that, fittingly, bears an eerie resemblance to a skull.

NASA scientists are tracking the upcoming Halloween flyby of asteroid 2015 TB145 with several optical observatories and the radar capabilities of the agency's Deep Space Network at Goldstone, California.

Asteroid 2015 TB145 will approach Earth within 0.0032 au (1.3 Lunar distances) on 31 October 2015. Very high resolution radar imagery is possible.

NASA - How Sunlight Pushes Asteroids

Rotating asteroids have a tough time sticking to their orbits. Their surfaces heat up during the day and cool down at night, giving off radiation that can act as a sort of mini-thruster.

A team of scientists participating in a radio astronomy summer school had the unexpected opportunity to observe a recently discovered near-Earth asteroid as it zipped past our planet on July 7.

Astrobiologists like Jason Dworkin are keenly interested in the origins of life on Earth, but the evidence that they seek was erased long ago by Earth's geology and chemistry.

If an asteroid were spotted headed towards Earth, what could humanity do about it?

New Images of Ceres

New images of dwarf planet Ceres, taken by NASA's Dawn spacecraft, show the cratered surface of this mysterious world in sharper detail than ever before. These are among the first snapshots from Dawn's second mapping orbit, which is 2,700 miles (4,400 kilometers) above Ceres.

Fly Over Ceres in New Video

A new animated video of dwarf planet Ceres, based on images taken by NASA's Dawn spacecraft, provides a unique perspective of this heavily cratered, mysterious world.

Dawn Spirals Closer to Ceres

A new view of Ceres' surface shows finer details coming into view as NASA's Dawn spacecraft spirals down to increasingly lower orbits

The mysterious bright spots on the dwarf planet Ceres are better resolved in a new sequence of images taken by NASA's Dawn spacecraft on May 3 and 4, 2015.

The two brightest spots on dwarf planet Ceres, which have fascinated scientists for months, are back in view in the newest images from NASA's Dawn spacecraft.

Dawn Glimpses Ceres' North Pole

After spending more than a month in orbit on the dark side of dwarf planet Ceres, NASA's Dawn spacecraft has captured several views of the sunlit north pole of this intriguing world.

A series of images made with the Atacama Large Millimeter/submillimeter Array (ALMA) provides an unprecedented view of the surface of Juno, one of the largest members of our solar system's main asteroid belt.

The comet-chasing mission of ESA spacecraft Rosetta and its robotic lander Philae has grabbed attention from around the world with its suspenseful adventures. The science behind the mission is just as fascinating, and could help unlock secrets on how our solar system formed billions of years ago.

NASA Chooses Asteroid Mission Plan

NASA Wednesday announced more details in its plan for its Asteroid Redirect Mission (ARM), which in the mid-2020s will test a number of new capabilities needed for future human expeditions to deep space, including to Mars.

We present Atacama Large Millimeter/submillimeter Array (ALMA) 1.3 mm continuum images of the asteroid 3 Juno obtained with an angular resolution of 0.042 arcseconds (60 km at 1.97 AU).

NASA's Dawn spacecraft has become the first mission to achieve orbit around a dwarf planet.

Dwarf planet Ceres continues to puzzle scientists as NASA's Dawn spacecraft gets closer to being captured into orbit around the object.

Dawn's View of Ceres Continues To Improve

NASA's Dawn spacecraft, on approach to dwarf planet Ceres, has acquired its latest and closest-yet snapshot of this mysterious world.

Asteroid 2004 BL86 passed by Earth yesterday, January 26, 2015 at 16:19 UTC (11:19 a.m. EST). NASA's Jet Propulsion Laboratory (JPL) created this "movie" of the asteroid from data generated by radar collected by NASA's Deep Space Network antenna at Goldstone, California. Twenty individual images were used.