Co ważniejsze – zauważono go dopiero na kilka dni przed tym faktem. Było to 25.07.2019. Do Ziemi zbliżyła się asteroida 2019OK na odległość ok. 70000 kilometrów [45000 mil]. Jej średnica wynosi ponad 140 metrów [427 stóp]. Może wydawać się, iż przeleciała ona daleko od naszej planety, ale w astronomii to bardzo mały dystans – mniej niż 20% odległości Księżyca od Ziemi.
Ja dowiedziałam się o tym przedwczoraj z portalu Businessinsider {TUTAJ}. Ukazał się tam artykuł „A ‚city-killer’ asteroid got scarily close to Earth yesterday, and astronomers didn’t know about it until it was just days away”. Czytamy w nim:
„Scientists didn’t know the asteroid — named 2019 OK — might be a threat to Earth until it was far too late for humanity to do anything about the gargantuan space rock. No one in the astronomy community had been tracking this particular asteroid. It seemed to come „out of nowhere,” Michael Brown, an astronomer in Australia, told The Washington Post. (…)
NASA tracks about 90% of those types of big asteroids (the ones half a mile in diameter or more). (…) In 2005, Congress directed NASA to track down 90% of near-Earth asteroids with a width of 460 feet (140 meters) or more by 2020. As of December, however, telescopes on Earth and in space had found less than one-third of these near-Earth objects (NEOs). (…)
Research teams in Brazil and the US didn’t discover that 2019 OK was approaching until less than a week before it passed by. Astronomers didn’t release information about how big the asteroid was or where it was heading until mere hours before it flew by Earth, Brown told The P
Gdy taka asteroida wchodzi w ziemską atmosferę jest nazywana meteorytem. Meteoryty o średnicy powyżej 140 metrów noszą nazwę „city killer” ponieważ jego uderzenie jest w stanie zniszczyć całe miasto. Na ogół tak się jednak nie dzieje. Słynny meteoryt tunguski spadł w 1908 roku na Syberii i zniszczył las w promieniu 40 km. Jego rozmiary były porównywalne z 2019OK. W lutym roku 2013 meteoryt eksplodował nad Czelabińskiem {TUTAJ}, zranił 1000 osób i wybił wszystkie szyby w mieście [a było 16 stopni mrozu].
Na ogół jednak meteoryty spadają w miejscach odludnych. Ich odłamki miewają wielkie rozmiary rzędu kilkudziesięciu ton {TUTAJ}. Wiele informacji o tych ciałach niebieskich można znaleźć {TUTAJ} i {TUTAJ}. Asteroida 2019OK została dość dokładnie opisana w portalu Dobrapogoda24.pl {TUTAJ}.
The article describes the City Killer who flew very close to the Earth quite interesting and impressive. Thanks for sharing this great article with us.
word games
conservative [url=http://www.viabsbuy.com/]buy viagra[/url] attribute buy viagra online zone
downtown [url=http://www.viabsbuy.com/]buy viagra[/url] bread viagra online aide
xarelto interaction with cialis
[url=http://cialisle.com/#]daily cialis online[/url]
foods not to eat with cialis
generic cialis cialis online
where to buy cialis in las vegas
[url=https://chloroquinego.com/#]chloroquine usp[/url]
chloroquine liquid
chloroquine effect on liver
chloroquine banned in nigeria
[url=https://chloroquinego.com/#]chloroquine phosphate fish[/url]
chloroquine maker
chloroquine toxicity to
chloroquine toxicity treatment
where can i buy cialis in mumbai
[url=http://cialisle.com]http://cialisle.com[/url]
how does cialis work for bph
cialis online
allergy to cialis
azithromycin online no prescription
azithromycin for sale
buy cialis online without prescription
Pingback: generic ventolin inhalers for sale
Pingback: buy online viagra pharmacy 100mg
Pingback: low dose naltrexone for sale
cialis daily
buy cialis
Pingback: buy careprost in the usa
Pingback: viagra suppliers
Pingback: buy tylenol
Pingback: chloroquine cost
cialis 20 mg
clomid otc
online clomid
buy clomid
Pingback: free viagra samples online
Pingback: buy hydroxychloroquine
no prescription cialis
cialis treats
buy cialis online without prescription
buy cialis
cialis online no prescription
Pingback: viagra prices without insurance
Pingback: overnight canadian viagra
Pingback: bimatoprost ophthalmic solution 0.03% amazon
Pingback: generic cialis 20mg
Pingback: viagra overnight shipping
optional health care viagra abortion
Pingback: buy cialis online without prescription
Pingback: buy generic viagra and cialis online
Pingback: generic cialis online
[url=http://lasifurex.com/]buy cheap lasix [/url] lasix price comparison
Pingback: non prescription viagra
Pingback: viagra cost
Pingback: order viagra
Pingback: viagra without doctor prescription
[url=http://lasifurex.com/]how to buy lasix in Canada [/url] purchase lasix from Phoenix
Pingback: cheap viagra 25mg
Pingback: buy cialis daily
can i buy viagra online without percription
cialis 20mg side effects
on line cialis delivered to ireland ren Soito
Pingback: generic viagra 100mg
treating bph with cialis [url=http://turist-kzn.ru/redirect.php?url=http://www.cialisle.com]turist-kzn.ru[/url] cuando no hace efecto cialis turist-kzn.ru sertraline and cialis
Pingback: buy cialis australia
Pingback: cialis prices cvs
Pingback: viagra generic on craigs list
buy promethazine with codeine uk
order viagra online usa
cialis online japan ren Soito
cialis daily use mg viagra 100mg effects has cialis gone generic
cialis for daily use video [url=http://1046.2j.nl/link?cialisle.com]1046.2j.nl[/url] medical reasons to take cialis 1046.2j.nl cialis belgiГ«
Pingback: viagra ontario
Brand
cialis bestellen [url=https://cciialiss.com/]generic cialis[/url] cialis price in india
Brand
price cialis 5mg [url=https://cciialiss.com/]tadalafil cialis[/url] levitra ed cialis
how to buy viagra from canada viagra tv commercial reddit, or quora how to enhance „viagra” ‚absorb* pepper, sublingual
Brand
tadalafil uk [url=https://cciialiss.com/]generic cialis[/url] cialis london drugs
Brand
get cialis overnight [url=https://cciialiss.com/]tadalafil cialis[/url] cialis cheapest
Brand
want buy cialis [url=https://cciialiss.com/#]buy online[/url] cialis cause hair loss
USA
cialis heart benefits [url=https://cciialiss.com/]cialis 20mg pills[/url] cialis 5 mg directions
current cost cialis [url=https://ccialisny.com/]order cheap cialis online[/url] were buy cialis
Pingback: viagra generic canada
canadian pharmacy tadalafil [url=https://ccialisny.com/]order cialis black online[/url] cialis challenge
buy viagra over the counter buybuyviamen.com qual e o principio ativo do viagra
cuanto tiempo hace efecto levitra [url=https://llevitraa.com/]levitra buy 20mg[/url] levitra orosolubile miglior prezzo
levitra forum salute [url=https://llevitraa.com/]levitra buy online miami[/url] acquisto levitra originale on line
equivalentes viagra side effects of viagra viagra bad for you
Pingback: viagra for men online
cheap viagra canada pharmacy viagra 100 mg price in india viagra cream price
Pingback: buy cialis with no prescription
viagra aktie problemas ao tomar viagra le viagra de la femme
viagra pill do
cialis 20mg generic
levitra canadian drugs ren Soito
viagra online order india how to buy sildenafil online where can you get female viagra
sildenafil 20 mg in mexico where to buy viagra in australia sildenafil us pharmacy
Pingback: vardenafil vs viagra
cialis 5mg tous les jours
pfizer viagra online australia
buy cialist ren Soito
cialis 5mg review [url=https://cciialiis.com/]order cialis soft tabs[/url] tadalafil tablets from india
write essays for cash college acceptance essays case study history
Generic
chi produce cialis [url=https://cciialiss.com/]order cialis 20 mg[/url] female cialis pills
levitra 10 mg teilbar [url=https://llevitraa.com/]levitra buy generic[/url] levitra nz
role de cialis generic cialis online purchasing cialis
over dose of cialis cialis medicine used
cialis discounts cialis nz
Buy
headache on cialis buy cialis online get cialis london
Buy
current cost cialis cialis over night delivery when cialis goes generic
America
cialis chemical buy cialis brand cialis issues
FLO buy generic cialis eu buy cialis generic cialis eu
Oxxx cialis pills men cialis 5mg price cheapest price for cialis
generic cialis 20 mg cialis substitutes resaonably priced cialis
cialis w/o perscription cialis no prescription canada purchase cialis
professional cialis cialis no perscription overnight delivery cialis price
Brand
cost of 5mg cialis cialis over night delivery cialis coupon program
dosis ideal cialis buy cialis generic cialis online in nz
cialis efectos secundarios buy cialis dubai genuine generic cialis
generic viagra with mastercard how to get viagra toronto overnight shipping canada viagra
before and after viagra viagra online viagra single tabs
Pingback: calgary viagra
viagra, paypal flavor viagra buy viagra and prescription drugs
buy cheap viagra online usa buy viagra boots buy viagra in calgary
Pingback: cheap price viagra
Generic cialis use by date cialis over night delivery cialis daily uses
Generic cialis drug facts cialis without prescriptions using cialis women
Generic cialis generic brand tadalafil cialis cialis with drinking
super viagra fda approval 200 mg
best viagra alternatives
order generic cialis online uk ren Soito
Generic cialis bulk buy 5mg cialis buying real cialis
can i get viagra tablet in chennai
viagra purchase in ireland
levitra 10 review ren Soito
Pingback: buy viagra online with echeck
vardenafil generico argentina
best prices on viagra 100mg
buy desyrel online ren Soito
cialis for diabetes [url=https://cciialiis.com/]order cialis from canada[/url] cialis properties
buying cialis online usa [url=https://cciialiis.com/]order generic cialis online[/url] dosing options for cialis
tadalafil women [url=https://cciialiis.com/]do doctors prescribe cialis[/url] tadalafil prices
cialis for everyday [url=https://cciialiis.com/]order cialis online us[/url] buy cialis miami
levitra ed cialis [url=https://cciialiis.com/]how to order cialis[/url] normal does cialis
Pingback: buy cialis online 5 mg
viagra no prescription buy online
buy generic cialis 10mg
bactrim order ren Soito
Pingback: no precription viagra
viagra in shoppers drugmart canada
buy viagra without prescription
cialis on line order ren Soito
pharmacy rx pharmacy rx pharmacies
rx usa pharmacy canada drugs online
cialis 5mg billig [url=https://cialistf.com/]cialis for daily use[/url] order brand cialis online
cialis bsf [url=https://cialistf.com/]cheapest generic cialis australia[/url] other uses of cialis
cialis koliko kosta [url=https://cialistf.com/]cialis without prescriptions canada[/url] cialis non generico
lasix aldactone side effects [url=https://lasixmg500.com/]lasix online ordering[/url] lasix and co2 levels
bactox amoxicillin [url=https://amoxilxl.com/]amoxil antibiotic dosage[/url] can amoxicillin be used for tooth infection
prednisone dose poison ivy treatment [url=https://prednisonetf.com/]how to buy prednisone[/url] prednisone 5 mg oral tablet
amoxicillin oxacillin [url=https://amoxilxl.com/]amoxil antibiotic uses[/url] can i take amoxicillin if im allergic to ceclor
lasix etkisi [url=https://lasixmg500.com/]lasix sale[/url] ampolla de lasix
prednisone for allergic reaction to bactrim [url=https://prednisonetf.com/]buy generic prednisone[/url] what is the dose of prednisone for bronchitis
lasix lower creatinine [url=https://lasixmg500.com/]best price for lasix[/url] lasix pill sizes
should i take my prednisone all at once [url=https://prednisonetf.com/]buy 1 mg prednisone[/url] prednisone epinephrine
diabetico pode usar cialis [url=https://cialiswh.com/]buy cialis online at lowest price[/url] cialis with premature ejaculation
wordt cialis goedkoper [url=https://cialiswh.com/]where can u buy cialis[/url] price of cialis without insurance
lasix over the counter cvs [url=https://lasixmg500.com/]buy lasix cheap[/url] what is lasix prescribed for
generic lasix 40 mg [url=https://lasixmg500.com/]buy lasix online uk[/url] buy lasix online
cialis vs viagra opinions [url=https://cialiswh.com/]how to buy cialis online uk[/url] cialis gym pump
prednisone 10 day taper pack [url=https://prednisonetf.com/]prednisone 20mg for sale[/url] prednisone vs methylprednisolone side effects
lasix effect on sodium [url=https://lasixmg500.com/]can you buy lasix over the counter[/url] scintigrafia renale con test al lasix
cialis diario manipulado [url=https://cialiswh.com/]buy cialis online best price[/url] cialis 5 mg dosis
prednisone availability in india [url=https://prednisonetf.com/]legal buy prednisone online[/url] how long does it take for prednisone to clear out of your system
cialis proper dose [url=https://cialismem.org/#]cialis in europe[/url] cialis user reports
dose cialis prendre [url=https://cialisoa.org/]canada cialis online[/url] cialis is good for what
cialis effetto placebo [url=https://cialismem.org/#]buy cialis online at lowest price[/url] cialis 5 mg nota 75
vafameg cialis [url=https://cialisoa.org/]can i buy cialis in toronto[/url] cialis och ipren
why does cialis make my legs hurt [url=https://cialismem.org/#]buy cialis ebay[/url] cialis och ipren
cialis cura prostata [url=https://cialisoa.org/]original cialis low price[/url] viagra cialis costo
buy cialis from online pharmacy [url=https://cialisoa.org/]where can i buy cialis without a prescription[/url] cialis occorre ricetta
how much cialis for recreational use [url=https://cialismem.org/#]where can i buy cialis without a prescription[/url] klonopin cialis
whats better levitra or cialis [url=https://cialismem.org/#]cheap generic cialis[/url] cialis c20 pills
buy viagra sildenafil best viagra substitute over the counter viagraeb_amphl=freb_amprlz=1t4adfa_frca391ca391eb_ampprmd=ivnseb_ampei=ccmrtd7gepdtgqfrxyz0bqeb_ampstart=10eb_ampsa=n [url=http://llviabest.com/]viagra dapoxetine next day shipping[/url] ’
[url=https://cializnow.com/] cheapest cialis canada[/url] cialis vencido faz mal
does crushing cialis [url=https://cialisdva.com/] buy cialis black au[/url]
cialis viagra levitra which is best [url=https://cialisdva.com/] generic cialis au[/url]
Pingback: buy viagra online usa without prescription
free viagra trial offer generic for viagra purchase generic viagra [url=http://genericrxxx.com/]buy generic viagra online[/url] ’
[url=https://cializnow.com/] cialis walmart price[/url] bula cialis uso diario
[url=https://cializnow.com/] buy cialis online in usa[/url] order cialis online india
[url=https://5cialismg.com/]buy cialis online at lowest price[/url] cozumel pharmacies cialis
[url=https://cialisgf.com/]order original cialis online[/url] usual dose for cialis
[url=https://cialisgf.com/]where can i buy cialis without a prescription[/url] cialis 5 mg generico italia
[url=https://5cialismg.com/]buy cialis online in canada[/url] cialis osta
[url=https://5cialismg.com/]canada cialis online[/url] cialis mi vigrande mi
[url=https://cialisgf.com/]cialis for daily use[/url] buy cialis professional
sydney viagra prices generic viagra dapoxetine viagra premature ejaculation [url=https://canadianpharmacy-usx.com/organic.htm]looking for secure website to purchase cheap viagra in the united states[/url] ’
[url=https://5cialismg.com/]cost of cialis without insurance[/url] cheap cialis ireland
[url=https://5cialismg.com/]buy cialis doctor[/url] pharmacy direct cialis
price of cialis buy brand cialis cialis pills [url=http://loncialis.com/]cialis no prescription[/url] ’
[url=https://cialisgf.com/]can i buy cialis online[/url] vanzare cialis
[url=https://5cialismg.com/]buy cheap cialis uk[/url] buying cialis uk
[url=https://5cialismg.com/]generic cialis daily pricing[/url] cialis cada 3 dias
[url=https://5cialismg.com/]cialis soft tablet[/url] 5 mg cialis enough