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  VAI JŪS ZINĀJĀT, KA...



 
Review of the Meteoritics World News
Meteorītikas ziņu apskats angļu valodā
  • 2023-02-14
    Another tiny asteroid on a collision course with Earth was detected over the weekend, and JPL’s CNEOS Scout system accurately predicted where and when the impact would happen, well before it actually occurred.
  • 2023-01-25
    On Thursday, Jan. 26, a small near-Earth asteroid will have a very close encounter with our planet. Designated 2023 BU, the asteroid will zoom over the southern tip of South America at about 4:27 p.m. PST (7:27 p.m. EST) only 2,200 miles (3,600 kilometers) above the planet’s surface and well ...
  • 2022-11-22
    In the early hours of Saturday, Nov. 19, the skies over southern Ontario, Canada, lit up as a tiny asteroid harmlessly streaked across the sky high in Earth’s atmosphere, broke up, and likely scattered small meteorites over the southern coastline of Lake Ontario. The fireball wasn’t a surprise. Roughly 1 ...
  • 2022-04-07
    Hosted by JPL’s Center for Near Earth Object Studies, the data can be used by the science community to better understand how asteroids break up when entering the atmosphere.
  • 2022-03-29
    (29075) 1950 DA is a kilometer-sized asteroid that will make a close approach to Earth in 2880 and, because of the corresponding impact probability and size, has ranked at the top of the Sentry risk list since 2014.
  • 2022-03-15
    A small asteroid hit Earth’s atmosphere over the Norwegian Sea before disintegrating on March 11, 2022. But this event wasn’t a complete surprise: Astronomers knew it was on a collision course, predicting exactly where and when the impact would happen.
  • 2021-12-06
    To date, nearly 28,000 near-Earth asteroids (NEAs) have been found by survey telescopes that continually scan the night sky, adding new discoveries at a rate of about 3,000 per year. But as larger and more advanced survey telescopes turbocharge the search over the next few years, a rapid uptick in ...
  • 2021-10-07
    The International Asteroid Warning Network (IAWN) will conduct an observational campaign in November with the goal of assessing the accuracy of the observation times reported by asteroid observers.
  • 2021-09-03
    On Aug. 14, 2021, a small near-Earth asteroid (NEA) designated 2021 PJ1 passed our planet at a distance of over 1 million miles (about 1.7 million kilometers). Between 65 and 100 feet (20 and 30 meters) wide, the recently discovered asteroid wasn’t a threat to Earth. But this asteroid’s approach ...
  • 2021-08-11
    In a study released Wednesday, NASA researchers used precision-tracking data from the agency's Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) spacecraft to better understand movements of the potentially hazardous asteroid Bennu through the year 2300, significantly reducing uncertainties related to its future orbit, and improving scientists' ability to determine ...


: meteors; asteroids; comets; space-junk.



  • 2023-09-29
    If we could wind the clock back billions of years, we’d see our Solar System the way it used to be. Planetesimals and other rocky bodies were constantly colliding with each other, and new objects would coalesce out of the debris. Asteroids rained down on the planets and their moons. ...


  • 2023-09-30
    Paris (ESA) Sep 28, 2023 ESA's Hera asteroid mission for planetary defence seen with one of its two solar wings added, during its continuing test campaign at the ESTEC Test Centre in the Netherlands. The van-sized spacecraft, left, is powered by a pair of solar array wings, made up of three ...
  • 2023-09-30
    Washington (AFP) Sept 27, 2023 After a seven-year wait, NASA scientists on Tuesday finally pried open a space probe carrying the largest asteroid samples ever brought back to Earth, finding black debris. Researchers "found black dust and debris on the avionics deck of the Osiris-Rex science canister when the initial ...

  • 2023-09-30
    This week, we're highlighting a study involving toxic chemical contaminants, and just for fun, a second study involving other toxic chemical contaminants. But NASA made a cool time-lapse video using the good old Hubble space telescope, and a group of Italian demographers have a lot to say about the population-level ...
  • 2023-09-29
    The lower portion of a Martian dust devil was captured moving along the western rim of Mars' Jezero Crater by NASA's Perseverance rover on Aug. 30, 2023, the 899th Martian day, or sol, of the mission. The video, which was sped up 20 times, is composed of 21 frames taken ...
  • 2023-09-04
    Imagine we detect an interstellar object entering our solar system. At first, astronomers think it's just another natural interloper like Oumuamua or comet Borisov. We're warming up to the idea of visitors from other parts of the galaxy, though they've been inanimate so far.



: meteorites; asteroids; comets.



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2023/09/30 273   Meteoriti.LV
ŠODIENAS AKTUĀLAIS METEORĪTIKAS KALENDĀRS

Mēness fāze
30. septembrī vēsturē zināms nokritis 1 meteorīts:
Binningup (1984)
Pavisam septembra vēsturē zināmi 106 nokrituši meteorīti:
15 jeb 14.2% no tiem glabājas Latvijā Meteoriti.LV kolekcijā.
Ievērojiet, nesen iespējams nokrituši jauni meteorīti:
š.g. 20. janvārī Muskogee Oklahama (USA)[??]
š.g. 24. janvārī Kopargaon, Majarashtra (India) [??]
š.g. 13. februārī Saint-Pierre-le-Viger
š.g. 14. februārī 'Saint Valentine', Italy[??]
š.g. 15. februārī Texas, USA[??]
š.g. 11. martā Hassi Walen area West south of El Menia city in Algeria[??]
š.g. 25. aprīlī Elmshorn, Germany[??]
š.g. 8. maijā New Jersey, USA[??]
Šobrīd debesīs novērojama 1 aktīvā meteoru plūsma:
★★☆☆ Southern Taurids (Maksimums: Oct 10).
Aktuālā informācija par Zemei tuviem objektiem: 
NASA NEO (Near Earth Objects) programma    |    IAU Mazo planētu centrs

Mazliet vēstures

Kopš meteorītikas zinātnes dzimšanas pagājuši 229 gadi.
Pirmais zināmais meteorīts Latvijas teritorijā nokrita pirms 203 gadiem.
Otrais zināmais meteorīts Latvijas teritorijā nokrita pirms 160 gadiem.
Trešais zināmais meteorīts Latvijas teritorijā nokrita pirms 159 gadiem.
Pēdējais zināmais meteorīts Latvijas teritorijā nokrita pirms 133 gadiem.
Pirmais meteorītikai veltītais muzejs Latvijā dibināts pirms 8 gadiem.

 

GADA METEORĪTS
2023
Meteoriti.LV vietne tiks pakāpeniski papildināta ar plašu pamatinformāciju par meteorītiku un ar to saistitām astronomijas nozarēm. Uzzināsiet, vai "meteorīti dabā sastopami retāk par dimantiem", cik tie ir veci un kāda ir to izcelsme. Atradīsiet atbildes uz jautājumiem: Vai meteorīti ir bīstami? Kādi meteorīti atrodami Latvijā un kur tos var apskatīt? Vai Latvijā ir vērts meklēt meteorītus? Ko meteorītu izpēte pastāsta mums par Zemes un Saules sistēmas izcelšanos? Ceram, ka tas radīs vēlmi arī jums pašiem novērot Zemes kosmiskos viesus - meteorus, un, varbūt, pat kļūt par īstiem meteorītu medniekiem!
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