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DODSFERD
Advanced Member



Pitcairn Island
29953 Posts

Member since 14/03/2014

Posted - 06/02/2016 : 16:46:31  Show Profile Show Extended Profile  Send DODSFERD a Private Message  Reply with Quote
Američki znanstvenici vjeruju da su konačno našli dokaze da je nekad na Marsu postojao život. Nakon što su proučili minerale neobična oblika na Zemlji, dr. Steven Ruff i dr. Jack Farmer s Državnog sveučilišta Arizona zaključili su da su neobične naslage u krateru Gusev na Marsu proizvod mikrobne aktivnosti.
Kako se navodi u izvještaju objavljenom u magazinu Smithsonian, sve je počelo kada je NASA-in robot Spirit u krateru Gusev na Marsu 2008. godine otkrio naslage opala, minerala sastavljenog od silicijeva dioksida i vode. Proučavajući pažljivije fotografije koje je poslao Spirit, znanstvenici su otkrili da mineral na Marsu sadrži male izbočine u obliku cvjetače, ali za to nisu imali pravo objašnjenje.
Zatim su tragali na Zemlji za područjem sličnim suhom i beživotnom krateru Gusev za koji se pretpostavlja da je nekad bio pokriven termalnim izvorima i gejzirima. Okoliš sličan Marsu našli su u pustinji Atacama u Čileu. U toj su se pustinji fokusirali na područje El Tatio koje je puno gejzira te su, na veliko iznenađenje, pronašli silicijeve kristale slične onima na Marsu.
Slični primjerci neobična minerala pronađeni su i u američkom parku Yellowstone te na vulkanskom tlu na području Taupo na Novom Zelandu. Na obje lokacije pronađeni su sićušni fosili koji imaju obilježja drevnog mikrobnog života. Ako su mikrobi te minerale kreirali u Yellowstoneu i Taupu, mogli su isto to napraviti u pustinji Atacama, zaključili su Ruff i Farmer. Američki znanstvenici smatraju da su sličnu aktivnost mikrobi mogli imati i na Marsu. Ipak, to je zasad samo pretpostavka koju će preispitati NASA-in rover Mars 2020 koji bi se mogao spustiti u blizini kratera Gusev.

Sinaitakala Tu'imatamoana 'i Fanakavakilangi Fakafanua
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mladjo
Advanced Member



Croatia
20013 Posts

Member since 15/04/2007

Posted - 11/02/2016 : 17:27:57  Show Profile Show Extended Profile  Send mladjo a Private Message  Reply with Quote
http://www.jutarnji.hr/otkriveni-einsteinovi-gravitacijski-valovi--znanstvenici-su-detektirali-gravitacijske-valove-koji-dolazili-iz-dvije-crne-rupe/1518755/

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nagor
Advanced Member



Croatia
12553 Posts

Member since 21/02/2012

Posted - 11/02/2016 : 20:34:08  Show Profile Show Extended Profile  Send nagor a Private Message  Reply with Quote


Gravitacija ima čestice gravitone, koje sada možemo detektirati? Što to znači? Ajmo forumski fizičari, pojasnite nam to malo. DUPLI?
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mladjo
Advanced Member



Croatia
20013 Posts

Member since 15/04/2007

Posted - 12/02/2016 : 12:20:49  Show Profile Show Extended Profile  Send mladjo a Private Message  Reply with Quote
http://www.telegram.hr/politika-kriminal/7-potpuno-nevjerojatnih-cinjenica-o-gravitacijskim-valovima-stotinu-godina-staroj-teoriji-koja-je-jucer-dokazana/

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mladjo
Advanced Member



Croatia
20013 Posts

Member since 15/04/2007

Posted - 12/02/2016 : 14:16:01  Show Profile Show Extended Profile  Send mladjo a Private Message  Reply with Quote
http://www.advance.hr/vijesti/objasnjeno-i-razumljivo-sto-su-to-gravitacijski-valovi-i-zasto-upravo-svjedocimo-najvecem-znanstvenom-otkricu-stoljeca-sve-o-prekrasnom-kozmickom-sapatu-i-beskrajnom-nemiru-kojeg-napokon-cujemo/

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nagor
Advanced Member



Croatia
12553 Posts

Member since 21/02/2012

Posted - 13/02/2016 : 20:11:44  Show Profile Show Extended Profile  Send nagor a Private Message  Reply with Quote
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Poli
Advanced Member



Slovenia
37361 Posts

Member since 26/10/2007

Posted - 18/02/2016 : 01:45:22  Show Profile Show Extended Profile  Send Poli a Private Message  Reply with Quote
http://www.universetoday.com/127442/russias-new-ballistic-missiles-to-be-tested-on-asteroids/

Anything is possible dec d uej
Be the Change You Want to See
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ivi skoj
Senior Member



Croatia
2120 Posts

Member since 07/12/2015

Posted - 18/02/2016 : 22:04:35  Show Profile Show Extended Profile  Send ivi skoj a Private Message  Reply with Quote
Nagor, imaš nešto i ovjde
http://radio.hrt.hr/treci-program/aod/eppur-si-muove/148522/

samo još vjeverice, Pola i Slatea cekam
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nagor
Advanced Member



Croatia
12553 Posts

Member since 21/02/2012

Posted - 18/02/2016 : 23:12:33  Show Profile Show Extended Profile  Send nagor a Private Message  Reply with Quote
Ma pročitao sam par članaka na tu temu. Znam osnove. Samo sam htio čuti malo manje službeno mišljenje forumskih fizičara. Hvala svejedno. ;)
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dupli
Average Member

Croatia
979 Posts

Member since 26/11/2009

Posted - 19/02/2016 : 14:25:40  Show Profile Show Extended Profile  Send dupli a Private Message  Reply with Quote
quote:
Originally posted by nagor

Ma pročitao sam par članaka na tu temu. Znam osnove. Samo sam htio čuti malo manje službeno mišljenje forumskih fizičara. Hvala svejedno. ;)



Pa nema se tu nešto neslužbeno za reći. Cijela stvar je dobro medijski
pokrivena i materijali (animacije i objašnjenja) se mogu bez većih
problema naći za sve nivoe predznanja. Što to sve skupa znači možda
najbolje opisuje rečenica: Do sada smo mogli vidjeti, a sada možemo i
slušati. Naravno, samo događaje u kojima sudjeluju jako masivni objekti.
Ali ti događaji i jesu upravo oni najzanimljiviji.

Graviton još uvijek ostaje hipotetska čestica. Ovo s gravitacijskim
valovima vezano je za klasični fiziku tj. teoriju relativnosti.
Kvantna teorija gravitacije je još uvijek izvan dosega.
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DODSFERD
Advanced Member



Pitcairn Island
29953 Posts

Member since 14/03/2014

Posted - 24/02/2016 : 23:57:01  Show Profile Show Extended Profile  Send DODSFERD a Private Message  Reply with Quote
http://www.jutarnji.hr/nasa-galaksija-nikad-prije-nije-izgledala-ovako-nevjerojatne-snimke-otkrivaju-tajnu-podrucja-u-kojima-se-radaju-zvijezde/1527605/


Sinaitakala Tu'imatamoana 'i Fanakavakilangi Fakafanua
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nagor
Advanced Member



Croatia
12553 Posts

Member since 21/02/2012

Posted - 27/02/2016 : 09:06:03  Show Profile Show Extended Profile  Send nagor a Private Message  Reply with Quote
Zvuk sudara dviju crnih rupa... ;)

https://youtu.be/ajZojAwfEbs?t=429

http://www.iflscience.com/space/watch-physicist-brian-greene-explain-gravitational-waves-stephen-colbert
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nagor
Advanced Member



Croatia
12553 Posts

Member since 21/02/2012

Posted - 07/03/2016 : 18:43:29  Show Profile Show Extended Profile  Send nagor a Private Message  Reply with Quote
Neutron star is so dense if you dropped a gummy bear from one meter above it would hit the surface in a nonosecond at around 7,000,000 KM/H with the force of 1,000 nuclear bombs.

Dakle, jedan kubični centimetar neutronske zvijezde je težak oko milijardu tona.

Promjer neutronske zvijezde je od 10 do 20 km.



Edited by - nagor on 07/03/2016 18:58:55
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nagor
Advanced Member



Croatia
12553 Posts

Member since 21/02/2012

Posted - 09/03/2016 : 19:52:05  Show Profile Show Extended Profile  Send nagor a Private Message  Reply with Quote
Najveća do sad otkrivena galaksija:

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lwood
Advanced Member



Colombia
46548 Posts

Member since 09/12/2005

Posted - 09/03/2016 : 21:27:33  Show Profile Show Extended Profile  Send lwood a Private Message  Reply with Quote
quote:
Originally posted by nagor

Najveća do sad otkrivena galaksija:





bolesno i zadivljujuče

Dajte nam Banija Libre;može i mekokoricen (ali s osvrtom na forumaše obavezno)!
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nagor
Advanced Member



Croatia
12553 Posts

Member since 21/02/2012

Posted - 09/03/2016 : 21:38:08  Show Profile Show Extended Profile  Send nagor a Private Message  Reply with Quote
Da. :)

Prije 500 godina smo mislili da Sunce kruži oko Zemlje, a danas otkrivamo nove galaksije. Što ćemo tek saznati u sljedećih 500 godina. Uhhh...
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dsormaz1
Advanced Member



13143 Posts

Member since 28/04/2002

Posted - 27/03/2016 : 20:09:05  Show Profile Show Extended Profile  Send dsormaz1 a Private Message  Reply with Quote
http://www.vecernji.hr/znanost/pitate-se-sto-se-dogodilo-s-americkim-zastavama-na-mjesecu-evo-odgovora-1071644
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izivko
Advanced Member



Germany
11698 Posts

Member since 25/07/2003

Posted - 27/03/2016 : 20:14:32  Show Profile Show Extended Profile  Send izivko a Private Message  Reply with Quote
quote:
Originally posted by nagor

Da. :)

Prije 500 godina smo mislili da Sunce kruži oko Zemlje, a danas otkrivamo nove galaksije. Što ćemo tek saznati u sljedećih 500 godina. Uhhh...


Tisuću po tisuću, gargamo polako.

Što je sto tisuću godina, ko dlanom o dlanom. Evo kao da je jučer bilo

Have mercy
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nagor
Advanced Member



Croatia
12553 Posts

Member since 21/02/2012

Posted - 12/04/2016 : 21:36:27  Show Profile Show Extended Profile  Send nagor a Private Message  Reply with Quote
Idemo do zvijezda...

http://www.iflscience.com/space/stephen-hawking-reveals-plan-send-spacecraft-alpha-centauri-20-years

http://www.index.hr/vijesti/clanak/stephen-hawking-i-mark-zuckerberg-mogli-bi-napokon-otkriti-ima-li-zivota-u-svemiru/886759.aspx
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nagor
Advanced Member



Croatia
12553 Posts

Member since 21/02/2012

Posted - 17/04/2016 : 17:10:54  Show Profile Show Extended Profile  Send nagor a Private Message  Reply with Quote
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nagor
Advanced Member



Croatia
12553 Posts

Member since 21/02/2012

Posted - 19/04/2016 : 20:56:39  Show Profile Show Extended Profile  Send nagor a Private Message  Reply with Quote
Ljudi protiv aliena... :)

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mladjo
Advanced Member



Croatia
20013 Posts

Member since 15/04/2007

Posted - 04/07/2016 : 21:07:24  Show Profile Show Extended Profile  Send mladjo a Private Message  Reply with Quote
http://www.telegram.hr/zivot/hubble-snimio-prilicno-dramaticnu-polarnu-svjetlost-na-jupiteru-izgleda-posve-magicno/

COUNT ZERO INTERRUPT
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Poli
Advanced Member



Slovenia
37361 Posts

Member since 26/10/2007

Posted - 05/07/2016 : 08:41:59  Show Profile Show Extended Profile  Send Poli a Private Message  Reply with Quote

https://www.sta.si/2281012/nasa-uspela-spraviti-sondo-jupiter-v-kroznico-planeta-jupiter



Anything is possible dec d uej
Be the Change You Want to See
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igor 12
stripovi.com suradnik



4539 Posts

Member since 24/01/2013

Posted - 05/07/2016 : 08:54:32  Show Profile Show Extended Profile  Send igor 12 a Private Message  Reply with Quote
nadam se da ta sonda nema bakra na sebi.mogli bi svemirci poskidat i preprodat.



Vamos a la playa tralalalala
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Just_Charlie
Advanced Member



8577 Posts

Member since 07/01/2008

Posted - 07/07/2016 : 18:06:30  Show Profile Show Extended Profile  Visit Just_Charlie's Homepage  Send Just_Charlie a Private Message  Reply with Quote
Danas je treca godisnjica ove teme.
Samo kazem.. Vrijeme prolazi, trag u beskraju ostaje.

~ Prvo suputnik onda put ~

Edited by - Just_Charlie on 07/07/2016 18:08:00
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