Tag Archive for 'Asteroid'

This composite image showing Jupiter (center) and three of its moons -- Callisto (left), Io, and Ganymede -- was taken by OSIRIS-REx’s PolyCam instrument. Image credit: NASA / Goddard / University of Arizona.

OSIRIS-REx Takes Its First Images of Jupiter and Galilean Moons

Feb 17, 2017 by News Staff

During asteroid search operations, NASA’s OSIRIS-REx spacecraft snapped several images of Jupiter and its Galilean moons: Io, Europa, Callisto, and Ganymede. This...

Cross section of Ceres showing the surface layers that are the subject of this study plus a watery mantle and a rocky-metallic core. The column of material at and just below Ceres’ surface (box) – the top layer contains anhydrous (dry) pyroxene dust accumulated from space mixed in with native hydrous (wet) dust, carbonates, and water ice. Image credit: Pierre Vernazza, LAM-CNRS / AMU.

NASA’s SOFIA Observatory Collects New Data on Composition of Dwarf Planet Ceres

Jan 23, 2017 by News Staff

New observations from NASA’s Stratospheric Observatory for Infrared Astronomy (SOFIA) show that Ceres does not appear to have the carbon-rich surface...

An artist’s rendition of 2016 WF9 as it passes Jupiter’s orbit inbound toward the Sun. Image credit: NASA / JPL-Caltech.

NASA’s WISE Spacecraft Spots Two New Near-Earth Objects

Dec 30, 2016 by News Staff

Astronomers using NASA’s Wide-Field Infrared Survey Explorer (WISE) have discovered two celestial objects traveling through our neighborhood: 2016 WF9...

An artist’s impression of a near-Earth asteroid. Image credit: NASA / JPL-Caltech.

2015 TC25: Astronomers Find Smallest Known Near-Earth Asteroid

Dec 1, 2016 by News Staff

An international team of astronomers led by University of Arizona scientist Dr. Vishnu Reddy has obtained observations of the smallest near-Earth asteroid...

Asteroid 2016 HO3 has an orbit around the Sun that keeps it as a constant companion of our planet. This is an artist’s impression of an asteroid. Image credit: Mark A. Garlick, Space-art.co.uk / University of Warwick / University of Cambridge.

2016 TB57: Astronomers Identify 15,000th Near-Earth Asteroid

Oct 31, 2016 by News Staff

An international effort to find and catalogue the multitude of so-called near-Earth asteroids has reached a milestone: 15,000 discovered — with many...

A United Launch Alliance Atlas V rocket lifts off from Space Launch Complex 41 at Cape Canaveral Air Force Station carrying NASA’s OSIRIS-REx spacecraft on the first U.S. mission to sample an asteroid. Image credit: NASA.

OSIRIS-REx Begins Its Journey to Asteroid Bennu

Sep 9, 2016 by News Staff

NASA’s Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) spacecraft blasted-off at 7:05 p.m. EDT Thursday...

An artist concept of the OSIRIS-REx spacecraft. Image credit: NASA / Goddard.

NASA Launching Probe to Asteroid Bennu: Watch Live

Sep 8, 2016 by News Staff

An artist concept of the OSIRIS-REx spacecraft. Image credit: NASA / Goddard. NASA’s Origins, Spectral Interpretation, Resource Identification, Security-Regolith...

Close Encounters between Centaurs and Gas Giants Form Our Solar System’s ‘Pinky Rings’

Aug 19, 2016 by James Romero

Our gas giants strip the icy surface off minor planets to form miniature versions of Saturn’s famous rings throughout the outer solar system, according...

A false-color image of the narrow opal rim surrounding a bright metallic mineral inclusion in the Antarctic meteorite EET 83309; the circular holes in this image are spots where laser analyses have been performed. Image credit: Hilary Downes et al.

Scientists Find Tiny Pieces of Opal in Meteorite

Jun 29, 2016 by Enrico de Lazaro

Small pieces of the mineral opal have been found within a brecciated ureilite meteorite from Antarctica. According to a team of scientists led by Prof....

Asteroid 2016 HO3 is Earth’s Quasi-Satellite, NASA Astronomers Say

Jun 16, 2016 by Natali Anderson

According to astronomers at NASA’s Center for Near-Earth Object (NEO) Studies, a near-Earth asteroid designated 2016 HO3 is currently following a stable...

Researchers Discover New Type of Meteorite: Ost 65

Jun 16, 2016 by Enrico de Lazaro

A ‘fossil’ meteorite discovered in a limestone quarry in Sweden is unique and distinct from other known meteorites, according to a team of researchers...

Tiny impact spherule from Duffer Formation, Australia. Image credit: Andrew Glikson et al.

Earth Hit by 15-Mile-Wide Asteroid 3.5 Billion Years Ago, Evidence Indicates

May 17, 2016 by News Staff

An international team of scientists from South Korea and Australia has found evidence of a major asteroid impact that occurred approximately 3.5 billion...

Artist’s impression of C/2014 S3 (PanSTARRS). The comet’s current long orbital period (approximately 860 years) suggests that its source is in the Oort Cloud -- a large region surrounding the Sun like a giant, thick soap bubble -- and it was nudged comparatively recently into an orbit that brings it closer to the Sun. Image credit: M. Kornmesser / ESO.

Unique Rocky Comet from Oort Cloud May Provide Clues about Origin of Solar System

Apr 29, 2016 by News Staff

Observations of a tailless comet called C/2014 S3 (PanSTARRS), made with ESO’s Very Large Telescope and the Canada France Hawaii Telescope, show that...

This image of an impact crater in the Sirenum Fossae region of Mars was taken by NASA’s Mars Reconnaissance Orbiter on March 30, 2015. The crater is approximately 3,300 feet (1-km) wide and appears relatively recent as it has a sharp rim and well-preserved ejecta. The steep inner slopes are carved by gullies and include possible recurring slope lineae on the equator-facing slopes. Image credit: NASA / JPL / University of Arizona / Alfred McEwen.

Comet, Asteroid Impacts 4 Billion Years Ago Likely Enhanced Life-Supporting Habitat on Mars

Apr 6, 2016 by News Staff

The bombardment of the Red Planet about 4 billion years ago (Noachian period) by giant comets and asteroids likely enhanced climate conditions enough to...

An artist’s impression of the debris disc around J1228+1040 (left) at the same scale as Saturn and its rings (right). While the star has about 7 times smaller diameter than Saturn, it has a mass 2,500 times greater. Image credit: Mark Garlick, www.markgarlick.com / University of Warwick / ESO / NASA / Cassini.

VLT Captures Image of Debris Disk around Nearby White Dwarf

Nov 11, 2015 by News Staff

The sight of a massive asteroid being ripped apart by a white dwarf called SDSS J122859.93+104032.9 (J1228+1040 for short) and forming a debris disk has...

This image of 2015 TB145 was generated using radar data collected by the Arecibo Observatory. Image credit: NAIC-Arecibo / NSF.

2015 TB145: Astronomers Capture Radar Images of ‘Halloween Asteroid’

Nov 1, 2015 by News Staff

Astronomers using NSF’s 1,000-foot (305-m) Arecibo Observatory in Puerto Rico have captured images of a massive asteroid – designated 2015 TB145...

This image shows the asteroid 2015 TB145 (small dot at center) as seen by a telescope at ESA’s Teide Observatory, Tenerife, Canary Islands. Image credit: ESA.

Asteroid 2015 TB145 Will Miss Earth, ESA Scientists Confirm

Oct 28, 2015 by News Staff

The asteroid 2015 TB145 – also known as the Great Pumpkin or the Halloween asteroid – will miss Earth on October 31, a team of scientists at...

This is an artist's impression of a rocky and water-rich asteroid being torn apart by the strong gravity of the white dwarf star GD 61. Image credit: Mark A. Garlick, Space-art.co.uk / University of Warwick / University of Cambridge.

NASA Astronomers Spot ‘Great Pumpkin’ Asteroid: 2015 TB145

Oct 22, 2015 by News Staff

An asteroid, designated 2015 TB145, will safely pass Earth on October 31 at 1:05 p.m. EDT (10:05 a.m. PDT, 17:05 UTC) by about 300,000 miles (482,800 km...

An artist’s illustration of a comet impact on Earth. Image credit: Don Davis / NASA.

New Study Reveals Link between Mass Extinction Events and Comet/Asteroid Showers

Oct 20, 2015 by News Staff

According to a study that will be published today in the journal Monthly Notices of the Royal Astronomical Society, mass extinctions occurring over the...

ESA’s AIM spacecraft watches DART impact Didymoon. Image credit: ESA / Science Office.

AIDA: NASA and ESA Announce Double Mission to Asteroid Didymos

Oct 5, 2015 by News Staff

The Asteroid Impact & Deflection Assessment (AIDA) mission, a joint ESA-NASA cooperative project, will be the first space experiment to investigate...

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