- Impact and Extinction | Science
ASE NEO Committee members also support the bi-annual IAA Planetary Defence Conference and the annual Asteroid Day event in Luxembourg. About B612 B612 is dedicated to protecting Earth from asteroid impacts. It does this by driving forward science and technologies needed to protect the Earth from asteroid impacts through the Asteroid Institute. It educates the public, the scientific community, and world governments about asteroids through programs such as Asteroid Day. Since the organization's inception in 2002, its work has been carried out entirely through the support of private donors. What started in 2002 as a visionary idea to develop the technology to deflect an asteroid has grown into a world-renowned organization and scientific institute with a key role in the emerging field of planetary defense. About BCE Broadcasting Center Europe (BCE) is a European leader in media services, system integration and software development in the areas of television, online video, streaming, radio, production and postproduction, telecommunication and IT.
Impact and Extinction | Science
The main phases are olivine and orthopyroxene. Olivine shows mosaicism and planar fractures. Rare grains of augite and clinobronzite are present. Small and rare feldspar grains show undulatory extinction, planar deformation features, and are partly isotropic. Troilite (4 vol. %) and FeNi metal (1. 3 vol. %) occur as irregularly shaped grains. Accessory minerals are chromite, ilmenite, and Cl-apatite. A significant portion (1/3) of the stones consist of a dark, fine-grained impact melt containing mineral and chondrule fragments. Feldspar is well developed and practically isotropic. No high-pressure phases were found in the impact melt. There are black-colored thin shock veins in both light and dark lithologies. Geochemistry: (M. Nazarov, N. N. Kononkova, and I. V. Kubrakova, Vernad). Mineral chemistry: Olivine Fa 27. 9±0. 35, N=22; orthopyroxene Fs 22. 8±0. 8 Wo 1. 30±0. 26, N=17; feldspar Ab 86; chromite Fe/Fe+Mg=0. 90, Cr/Cr+Al=0. 85 (at. %). Major element composition of the light lithology (XRF, ICP-AS, wt%): Si=18.
Then ESA's Hera mission will survey the impact effects of DART on Dimorphos. All major space agencies now take asteroids very seriously. In 2020 alone there was a surge in activity. In September, ESA awarded a contract to OHB to build HERA. In October, NASA's OSIRIS-REx mission collected samples from asteroid Bennu, and in December, JAXA's Hayabusa2 returned samples of asteroid Ryugu to Earth for analysis. Asteroid Day's theme of 25 years of asteroid missions will be promoted throughout the month of June, kicking off with Asteroid Day TV June 1st. This year's programme will include interviews with key personnel from the missions of yesterday and tomorrow. It will explore how technologies have changed, what scientific surprises were waiting on the asteroids, how the goals of the missions have evolved, and what the future has in store for asteroid research and planetary defence. "We're looking forward to producing this year's Asteroid Day festivities virtually from Luxembourg. We have been fortunate to have had partners like Broadcasting Center Europe and SES, who have allowed us to disseminate professional video content worldwide via satellites and streaming, " says Asteroid Day Programme Director Colleen Fiaschetti, "We're especially excited about this year's theme.
In the city of Posadas, they will promote games and talks under the theme of "We Will Rock You". Brazil, the country with the most events worldwide, focuses on activities in public schools with lectures, short courses, essay contests, expositions. It is organized by the national commission and is divided into regional and state coordinators. There is a national award for the coordinator who holds the most events. In Africa: Egypt's National Research Institute of Astronomy & Geophysics program is titled "Asteroids and the Future of Wealth, From Fiction to Reality" in Cairo. In Asia: India's Government Educational Department will host approximately 3000 students in a day-long workshop at almost 240 locations. Turkey's International Congress on Asteroid Mining and Meteoritics will host scientists from space agencies who will give lectures and poster presentations for the public. Throughout Israel, events are being organized by the Druze Space Center to collaborate with the international IASC campaign to find Asteroids using Panstarrs data and activities in partnership with the Israeli Space Agency(ISA).
And none of these monsters pose a threat for the foreseeable future. ) But we don't have to just sit back and wait for destruction. Indeed, scientists and engineers around the world are working on ways to keep Earth out of asteroids' crosshairs. The most sensational of these is the nuclear-bomb strategy, which was made famous by the 1998 disaster film "Armageddon. " But the real-life version of this technique would rely entirely on robotic spacecraft, not nobly self-sacrificing miners. And researchers regard nukes as a last-resort strategy, to be employed only when the asteroid is sufficiently large, and has been detected so late in the game, that no other method would work. Blasting the asteroid apart with a bomb, after all, would generate lots of space-rock shrapnel that could itself imperil Earth. [ Photos: Asteroids in Deep Space] If time is on our side — if we have years or, ideally, decades — we could employ "kinetic impactors, " slamming one or more (non-nuke-carrying) spacecraft into the threatening asteroid to knock it off course, researchers have said.
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LUXEMBOURG, Feb. 15, 2021 /PRNewswire/ -- Asteroid Foundation's annual Asteroid Day will return on 30 June. The theme for this year will be the 25th launch anniversary of NASA's NEAR-Shoemaker spacecraft, and the 2021 launch of three new asteroid missions, NASA's Lucy, NEA Scout and DART – the world's first mission to test an asteroid deflection technique. On 17 February 1996, NASA launched the Near Earth Asteroid Rendezvous (NEAR)-Shoemaker mission. It was the first mission dedicated to exploring asteroids and it became the first mission to orbit and touch down on an asteroid – paving the way for all future asteroid missions. Now it's time for another milestone mission: NASA's Double Asteroid Redirection Test (DART) mission. The Chelyabinsk meteor, which shook the skies over Russia on 15 February 2013, was a startling wake up call that asteroids will occasionally hit Earth. DART will open a new frontier in asteroid science and planetary defence by impacting asteroid Dimorphos in a carefully controlled attempt to measurebly shift its orbit.
- Impact and Extinction | Science
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