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Keyword: asteroid

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  • Astronomy Picture of the Day - Tagging Bennu

    10/22/2020 3:54:10 PM PDT · by MtnClimber · 10 replies ^ | 22 Oct, 2020 | Image Credit: OSIRIS-REx, University of Arizona, NASA, Goddard Scientific Visualization Studio
    Make sure to go to the link and click on the hotlink highlighted as "Touch-And-Go (TAG) sampling event" for a video of the touchdown. A photo sequence is also shown in the last hotlink in the Explanation or by clicking on the image at the link. Explanation: On October 20, after a careful approach to the boulder-strewn surface, the OSIRIS-REx spacecraft's arm reached out and touched asteroid Bennu. Dubbed a Touch-And-Go (TAG) sampling event, the 30 centimeter wide sampling head (TAGSAM) appears to crush some of the rocks in this snapshot. The close-up scene was recorded by the spacecraft's SamCam...
  • Here It Is: The Spectacular Footage of NASA Touching Down on an Asteroid

    10/22/2020 8:35:11 AM PDT · by Red Badger · 21 replies ^ | 22 OCTOBER 2020 | MICHELLE STARR
    Want a little reminder of how amazingly clever we humans can be? Yesterday, from a distance of more than 320 million kilometres (200 million miles) away, NASA scientists piloted a spacecraft to gently touch down on a spinning asteroid, collecting a sample of surface rubble to bring back home to Earth. At 6:08 PM EDT, the signal from spacecraft OSIRIS-REx reached Earth to let us know that it had successfully touched down at the Nightingale collection site on asteroid Bennu, within a metre (three feet) of its target, and safely bounced back up again after just 6 seconds of contact....
  • A NASA Spacecraft Is About to Land on an Asteroid And Grab a Sample.

    10/20/2020 10:13:42 AM PDT · by Red Badger · 38 replies ^ | 20 OCTOBER 2020 | ELIZABETH CANTWELL, THE CONVERSATION
    Imagine parallel parking a 15-passenger van into just two to three parking spaces surrounded by two-story boulders. On October 20, a University of Arizona-led NASA mission 16 years in the making will attempt the astronomical equivalent more than 200 million miles (320 million kilometres) away. A NASA mission called OSIRIS-REx will soon attempt to touch the surface of an asteroid and collect loose rubble. OSIRIS-REx is the United States' first asteroid sample return mission, aiming to collect and carry a pristine, unaltered sample from an asteroid back to Earth for scientific study. The spacecraft will attempt to touch the surface...
  • October Meteor Showers

    10/05/2020 8:12:17 AM PDT · by Pete from Shawnee Mission · 24 replies
    "Meteor Shower Tonight" ^ | October 1, 2020 | Staff
    "There are 11 meteor showers peaking in October every year. Here the brief description of these awesome space events that will light up the autumn sky of October. Keep your eyes to the sky and enjoy!"
  • Astronomy Picture of the Day - Mare Frigoris

    10/08/2020 3:33:03 PM PDT · by MtnClimber · 20 replies ^ | 8 Oct, 2020 | Image Credit & Copyright: Matt Smith
    Explanation: Lighter than typically dark, smooth, mare the Mare Frigoris lies in the far lunar north. Also known as the Sea of Cold, it stretches across the familiar lunar nearside in this close up of the waxing gibbous Moon's north polar region. Dark-floored, 95 kilometer wide crater Plato is just left of the center. Sunlit peaks of the lunar Alps (Montes Alpes) are highlighted below and right of Plato, between the more southern Mare Imbrium (Sea of Rains) and Mare Frigoris. The prominent straight feature cutting through the mountains is the lunar Alpine Valley (Vallis Alpes). Joining the Mare Imbrium...
  • Astronomy Picture of the Day - Descending Toward Asteroid Bennu

    10/12/2020 4:42:47 PM PDT · by MtnClimber · 28 replies ^ | 12 Oct, 2020 | Video Credit: NASA, OSIRIS-REx, NASA's Scientific Visualization Studio; Data: NASA, U. Arizona, CSA,
    Explanation: What would it be like to land on an asteroid? Although no human has yet done it, NASA's robotic OSIRIS-REx spacecraft is scheduled to attempt to touch the surface of asteroid 101955 Bennu next week. The goal is to collect a sample from the nearby minor planet for return to Earth for a detailed analysis in 2023. The featured video shows what it looks like to descend toward the 500-meter diamond-shaped asteroid, based on a digital map of Bennu's rocky surface constructed from image and surface data taken by OSIRIS-REx over the past 1.5 years. The video begins by...
  • OSIRIS-REx readies for sample collection, observes strange activity at asteroid Bennu

    10/01/2020 5:58:00 PM PDT · by amorphous · 7 replies
    NASA Spaceflight.Com ^ | 29 September 2020 | Chris Gebhardt
    OSIRIS-REx — an international sample-return mission led by NASA and joined by science team members from Canada, France, Germany, the United Kingdom, and Italy, and with an instrument provided through the Canadian Space Agency — is less than one month away from performing a Touch-And-Go sample collection maneuver to return portions of asteroid Bennu to Earth. Meanwhile, science teams have observed regular material shedding activity from the near Earth object — an unexpected find that allows scientists to better understand the dynamic little worlds littered throughout the inner solar system.
  • RV-size asteroid to get closer to Earth than the moon

    09/22/2020 6:54:35 PM PDT · by BenLurkin · 46 replies
    live Science ^ | 09/22/2020 | Laura Geggel
    Scientists have yet to pin down the asteroid's exact size, but it's not that large, likely between 14 feet and 32 feet (4.4 and 9.9 meters) long, according to CNEOS. This potentially RV-size asteroid was discovered only last week, on Sept. 18, by the Mount Lemmon Survey in Arizona, and announced the next day by the Minor Planet Center, a NASA-funded group that monitors minor planets, comets and natural satellites. (It's not unusual to find unknown asteroids; in September alone, the Minor Planet Center has announced the discovery of 244 near-Earth objects.) Passing by Earth will actually be a life-changing...
  • Astronomy Picture of the Day - Gravel Ejected from Asteroid Bennu

    09/16/2020 5:54:43 PM PDT · by MtnClimber · 15 replies ^ | 16 Sep, 2020 | Image Credit: NASA's GSFC, U. Arizona, OSIRIS-REx Lockheed Martin
    Explanation: Why does asteroid Bennu eject gravel into space? No one is sure. The discovery, occurring during several episodes by NASA's visiting OSIRIS-REx spacecraft, was unexpected. Leading ejection hypotheses include impacts by Sun-orbiting meteoroids, sudden thermal fractures of internal structures, and the sudden release of a water vapor jet. The featured two-image composite shows an ejection event that occurred in early 2019, with sun-reflecting ejecta seen on the right. Data and simulations show that large gravel typically falls right back to the rotating 500-meter asteroid, while smaller rocks skip around the surface, and the smallest rocks completely escape the low...
  • Where no spacecraft has gone before: A close encounter with binary asteroids

    09/11/2020 10:33:45 PM PDT · by BenLurkin · 12 replies ^ | September 10, 2020
    CU Boulder and Lockheed Martin will lead a new space mission to capture the first-ever closeup look at a mysterious class of solar system objects: binary asteroids. In 2022, the Janus team will launch two identical spacecraft that will travel millions of miles to individually fly close to two pair of binary asteroids. Their observations could open up a new window into how these diverse bodies evolve and even burst apart over time, said Daniel Scheeres, the principle investigator for Janus. The mission, which will cost less than $55 million under NASA's SIMPLEx program, may also help to usher in...
  • Near-miss Asteroid 2020 QL2 as big as football pitch to fly past Earth on Monday

    09/11/2020 10:20:58 PM PDT · by BenLurkin · 10 replies ^ | 05:30, 12 SEP 2020 | Dvid Bentley
    Among recent 'near-Earth objects' it's one of the biggest but won't be as terrifying close as the rock that flew past less than 2,000 miles from us in August An asteroid the size of a football pitch is to whizz past planet Earth on Monday, September 14. The giant chunk of rock, named Asteroid 2020 QL2, is up to 120 metres in diameter. It's among the 'near Earth objects' being documented and observed by astronomers. NASA's Centre for Near-Earth Object Studies (CNEOS) says QL2 will fly past at a speed of nearly 24,000 mph and come within a distance of...
  • The moon is 'rusting' and scientists are stunned

    09/08/2020 6:41:37 AM PDT · by Red Badger · 48 replies
    Fox News ^ | 09/07/2020 | By Chris Ciaccia
    The rust may be a result of the water discovered on the moon A newly published study notes that the moon is "rusting," leaving experts perplexed by the discovery. The research, published in Science Advances, notes that the rust may be a result of water discovered on the moon, but it's still shocking, given the lack of oxygen and dearth of water on Earth's celestial satellite. "It's very puzzling," the study's lead author, Shuai Li of the University of Hawaii, said in a statement. "The moon is a terrible environment for hematite to form in." Li was looking at data...
  • The moon is rusting, and Earth is to blame

    09/03/2020 3:49:00 PM PDT · by BenLurkin · 22 replies
    CNET ^ | Sept. 2, 2020 6:36 p.m. PT | Mark Serrels
    So why does rust currently exist on the moon? There are a number of factors, but Earth is partly to blame. To begin with, water exists on the moon in small quantities. Ice water exists in lunar craters, but that water exists on the far side of the moon, far from where the rust occurred. The current theory is that dust particles that often hit the moon are helping release water molecules, mixing those water molecules with iron on the surface. Then there's the oxygen part. That's where Earth comes in. Thanks to the fact it exists in such close...
  • Asteroid over 22 metres in diameter to pass by Earth on September 1: NASA

    08/30/2020 1:53:33 PM PDT · by BenLurkin · 28 replies
    India Times ^ | 08/01/2020
    An asteroid with diameters between 22 and 49 metres will shoot pass Earth in a distance closer than Earth from the Moon on September 1, according to the National Aeronautics and Space Administration (NASA). 2011 ES4's close approach is 'close' on an astronomical scale but poses no danger of actually hitting Earth. Planetary defence experts expect it to safely pass by at least 45,000 miles (792,000 football fields) away on Tuesday, September 1," NASA Asteroid Watch tweeted on Saturday. The last time asteroid 2011 ES4 fly by the Earth was visible from ground for four days. This time, it will...
  • NASA, ESA Detect Asteroid With 'Non-Zero' Probability Of Hitting Earth This Year

    08/22/2020 4:59:28 PM PDT · by MtnClimber · 38 replies
    International Business Times ^ | 12 Jun, 2020 | Inigo Monzon
    NASA and the European Space Agency are monitoring an asteroid that has a "non-zero" probability of colliding with Earth later this year. Based on the data collected by the two agencies, the asteroid is not in danger of causing an impact event due to its small size. The approaching asteroid has been identified as 2018 VP1. This asteroid is currently listed in NASA’s Sentry and the ESA’s Risk List, which are the agencies’ respective asteroid impact monitoring systems. As noted by the agencies, all asteroids listed in Sentry and the Risk List have chances of colliding with Earth in the...
  • Asteroid heading our way day before presidential election

    08/22/2020 11:39:35 AM PDT · by DFG · 58 replies
    NY Post ^ | 08/22/2020 | Isabel Vincent
    This year could end with a bang. Scientists recently spotted an asteroid on a direct collision course to Earth — projected to hit a day before the presidential elections in November. The flying space object, known as 2018VP1, is expected on Nov. 2, according to the Center for Near Objects Studies at NASA’s Jet Propulsion Laboratory. The asteroid is 6.5 feet in diameter, according to NASA data, and first identified at the Palomar Observatory in California two years ago. The space agency says there could be three potential impacts “based on 21 observations spanning 12.968 days, with the chance of...
  • A car-sized asteroid made the closest Earth flyby a space rock has ever survived

    08/18/2020 9:13:46 PM PDT · by BenLurkin · 45 replies ^ | 18 August 2020 | Chelsea Gohd
    On Sunday (Aug. 16), the asteroid, initially labeled ZTF0DxQ and now formally known to astronomers as 2020 QG, swooped by Earth at a mere 1,830 miles (2,950 kilometers) away. The flyby wasn't expected and took many by surprise. In fact, the Palomar Observatory didn't detect the zooming asteroid until about six hours after the object's closest approach. "The asteroid approached undetected from the direction of the sun," Paul Chodas, the director of NASA's Center for Near Earth Object Studies, told Business Insider. The close flyby was also a fast one, as 2020 QG swooped near Earth at a blistering 27,600...
  • Planet Ceres is an 'ocean world' with sea water beneath surface, mission finds

    08/10/2020 4:46:24 PM PDT · by NRx · 60 replies
    The Guardian ^ | 08-10-2020 | AFP
    The dwarf planet Ceres – long believed to be a barren space rock – is an ocean world with reservoirs of sea water beneath its surface, the results of a major exploration mission showed on Monday. Ceres is the largest object in the asteroid belt between Mars and Jupiter and has its own gravity, enabling the Nasa Dawn spacecraft to capture high-resolution images of its surface. Now a team of scientists from the United States and Europe have analysed images relayed from the orbiter, captured about 35km (22 miles) from the asteroid. They focused on the 20-million-year-old Occator crater and...
  • Asteroid Passed 'Extremely Close' To Earth Without Smacking Any Satellites [Hello And Goodbye, Asteroid 2020 OY4]

    08/02/2020 6:26:14 PM PDT · by SunkenCiv · 42 replies
    YouTube ^ | recently | AstroBytes
    An asteroid named 2020 OY4, made its closest approach to our planet on July 28, when it was discovered just 26,000 miles away from Earth. It flew by earth at the range that rivals the orbits of some high-flying satellites. This is extremely close in astronomical terms, and just 11 percent of the average distance between the Earth and the moon. In fact, the data from NASA that tracks near-Earth objects suggests that the close approach of this asteroid was the closest that any asteroid will come to our planet for the next year. However, if you measure by the...
  • Indian schoolgirls discover asteroid moving toward Earth

    07/30/2020 3:20:38 PM PDT · by voicereason · 32 replies
    CNN ^ | 07/28/2020 | Swati Gupta and Amy Woodyatt
    Two Indian schoolgirls have discovered an asteroid which is slowly shifting its orbit and moving toward Earth. Radhika Lakhani and Vaidehi Vekariya, both studying in 10th grade, were working on a school project when they discovered the asteroid, which they named HLV2514. The girls, from the city of Surat in the western Indian state of Gujarat, were participating in a Space India and NASA project, which allows students to analyze images taken by a telescope positioned at the University of Hawaii. Aakash Dwivedi, senior educator and astronomer at Space India, told CNN that students across India were taught how to...