Fascinaţia spaţiului cosmic

Scris de **Donna** Vin Aug 07, 2015 7:31 am

Rezumarea primului mesaj :

Am găsit un articol care merită citit....şi vizionat, o să vedeţi o animaţie super-interesantă!!

Noi IMAGINI captivante, publicate de NASA: „Faţa nevăzută a Lunii”, surprinsă în mişcare

NASA continuă seria de imagini spectaculoase surprinse de pe satelitul DSCOVR cu o animaţie în care este redată latura întunecată a Lunii, care nu se poate vedea de pe Pământ.

Animaţia este creată cu ajutorul mai multor fotografii captate de camera telescopică EPIC (Earth Polychromatic Imaging Camera), montată de NASA pe satelitul Deep Space Climate Observatory (DSCOVR), lansat în spaţiu pe 11 Februarie 2015.

Restul articolului aici

Scris de **DeusInMachina** Vin Oct 16, 2015 8:03 pm

Da, este, desi nu cred ca-i vorba de aliens...Asa cum tocmai am citit intr-un articol in engleza despre acest subiect, extraterestrii ar fi ultima ipoteza de luat in calcul...

Scris de **mihaela** Vin Oct 16, 2015 8:33 pm

Nu ramane alceva de facut..decat sa mergem noi sa cercetam,mama ce mi-ar place asa aventurau.. laught

Scris de **Donna** Vin Oct 16, 2015 9:20 pm

Seamănă mai mult cu imaginea unei entităţi...

Scris de **DeusInMachina** Vin Oct 16, 2015 9:27 pm

cam asa cred eu ca arata acea entitate,,,, laught

Fascinaţia spaţiului cosmic - Pagina 2 C18c7aae42c09da1aed7998cedd65a50

Scris de **Donna** Vin Oct 16, 2015 9:35 pm

Auzi? Eu mă gândeam mai degrabă la ceva fără o formă definită, ceva ca un nor, dar no, vrei să îmi aminteşti de păianjenul Costel?

Scris de **DeusInMachina** Vin Oct 16, 2015 9:38 pm

M-ai facut sa rad cu lacrimi ...Dar - ia stai putin- asa teribil arata Costel al tau?! Ce specii de paianjen ai tu pe-acolo ? Shocked

Scris de **mihaela** Vin Oct 16, 2015 9:42 pm

Nu Donna...a vrut sa ma sperie pe mine sa nu ma ia cu el in aventura sa cautam ..nici eu nu stiu ce.. laught

Scris de **Donna** Vin Oct 16, 2015 9:43 pm

Era cât o nucă din câte îmi aduc aminte, cu picioare lungi, groase....brrr...şi parcă nu avea nimic desenat pe spate!

Scris de **DeusInMachina** Vin Oct 16, 2015 9:48 pm

Si te-am speriat , Mihaela? Razz

Cat o nuca? Doar corpul ? OMG ...interesant. Eu nu ma pot abtine sa nu analizez insecte si arahnide cand le gasesc in natura. In fine, referitor la ce au gasit oamenii astia, va mai aduceti aminte cand am scris de acele trepte ale civilizatiilor , acea Kardashev scale? Se pare ca asta ar fi gradul 2 , adica asa numita Sfera Dyson , adica si-au inconjurat Soarele lor cu ceva.....Iti dai seama ce avansati ar fi fata de noi? Mai bine stam in banca noastra si nu le trmitem vreun semnal Razz

Scris de **mihaela** Vin Oct 16, 2015 9:54 pm

Deus poate sunt prietenosi si ne strang in brate cand ne-o vedea:hgdhg:

Scris de **Donna** Vin Oct 16, 2015 9:57 pm

Ai dreptate, deşi e foarte probabil să ne fi reperat deja....

Scris de **DeusInMachina** Vin Oct 16, 2015 10:02 pm

Ia sa pun eu aici un paianjen pe care l-am avut vreo 2 saptamani la geam asta vara.....urias si bizar... Fascinaţia spaţiului cosmic - Pagina 2 12066043_10203734586844826_1216158438966154971_n

Fascinaţia spaţiului cosmic - Pagina 2 12066043_10203734586844826_1216158438966154971_n

Scris de **mihaela** Vin Oct 16, 2015 10:05 pm

Vezi ca te-au localizat,ai grija...daca vezi ceva straniu..sa ma chemi sa te salvez.. toamna

Scris de **Donna** Vin Oct 16, 2015 10:08 pm

brrr , mă duc la somn cu imaginea asta în minte!!!

Scris de **DeusInMachina** Vin Oct 16, 2015 10:12 pm

multumesc pentru intentie, dar sunt expert cu paianjenii laught

Scris de **mihaela** Vin Oct 16, 2015 10:25 pm

Atunci ti-i trimit si pe ai mei la tine,ca eu nu sunt experta... laught

Scris de **DeusInMachina** Vin Oct 16, 2015 10:27 pm

ii primesc, promit ca ma descurc limba

Scris de **mihaela** Vin Oct 16, 2015 10:31 pm

Curajosule,ai mei sunt mici,la noi nu cresc mari ca la tine,ma duc sa caut mai mari...macar sa iti dau de lucru... laught

Scris de **DeusInMachina** Sam Oct 17, 2015 5:05 pm

Desi recunosc ca in spatiu sunt ''obiecte'' inca si mai stranii , ei bine mie imi plac cel mai mult pulsarii , sau stelele neutronice. Indiferent de pulsar , perioada lor de rotatie e cu adevarat iesita din comun...O sa pun aici un video cu suntele emise de pulsari Very Happy

doar ca nu-s chiar sunete , pt ca sunetul nu se propaga prin vid. Ceea ce auziti aicii e radiatie electromagnetica convertita in sunet...Sper sa va placa, eu am avut asta ca sonerie la mobil multa vreme Razz

Scris de **DeusInMachina** Dum Noi 15, 2015 2:54 pm

http://www.cunoastelumea.ro/a-inceput-constructia-celui-mai-mare-telescop-din-lume-este-de-10-ori-mai-mare-decat-hubble/

Scris de **DeusInMachina** Mar Noi 17, 2015 5:25 pm

Fiindca vorbeam zielele trecute de cat de insgnifianti suntem...Uite ...Marimea chiar conteaza ! Very Happy

Lasand gluma, un video teribil....

Scris de **mihaela** Mar Noi 17, 2015 7:00 pm

Despre ce este vorba Deus,eu nu il pot viziona

Scris de **DeusInMachina** Mar Noi 17, 2015 7:14 pm

Buna ! E vorba de o comparatie a tot ce exista in acest Univers..de la cel mai mic la cel mai mare....de la atomi ..pana la cele mai mari corpuri, formatiuni celeste ...pana la insusi Universul......Hai ca-ti rezolvi tu problema sa poti viziona ! Pup !

Scris de **mihaela** Mar Noi 17, 2015 7:26 pm

Multumesc Deus..esti un scumpic,mai dureaza putin pana rezolv,socoteala de acasa nu se potriveste cu cea din tarv,sper sa nu regret ca am facut acest pas.

Scris de **Donna** Mar Noi 17, 2015 9:31 pm

E fascinant, intr-adevăr!!!!

Scris de **DeusInMachina** Mar Noi 17, 2015 9:33 pm

Cand l-am vazut initial...ceea ce m-a socat a fost finalul...ma asteptam ca dincolo de Univrsul Cunoscut sa fie cel ''Necunoscut'' iar apoi Multiversul...dar nu ma asteptam la Omniverse...care-i dincolo de tot ceea ce noi putem intelege azi...

Scris de **Donna** Vin Dec 04, 2015 8:47 pm

To infinity...and beyond
A 3D map of space that provides a new understanding of how the heavens unfolded

WE ARE ALL familiar with maps of the globe, as though seen from space, unfolded onto a flat page with America on the left and China on the right. This map, with its glowing web of blobs and veins like so many city lights at night, shows space seen from Earth similarly unfolded. But unlike those two-dimensional maps, this one allows us to see in three dimensions: up and down, left and right, and then out through the universe. It’s a map of galaxies, bundled into clusters and superclusters.

The haze running through the middle is our own galaxy, the Milky Way. At the top is a bright density of blue—the Coma Cluster, which contains 1,000 galaxies. Below it there’s a purple patch called the Virgo Cluster. The purple is important. The galaxies are coloured according to their distance from us: the purple bits are closest, the red farthest away. But they are all in what astronomers, with their vertiginous sense of scale, call the “local universe”—which stretches for 380m light years.

It was published in 2011, the result of a project led by John Huchra, who until his death in 2010 was a professor at the Harvard-Smithsonian Centre for Astrophysics. “The idea”, says Professor Robert Kirshner, his friend and colleague, “was that while it’s easy to map the two-dimensional position of something on the sky—how far east, west, north or south it is—finding its distance from us is much harder. But once you find out where something is, you’re on the trail to knowing how it got there.”

Since the 1970s Huchra had been calculating the distances of galaxies using a phenomenon called redshift, discovered in the 1920s by Edwin Hubble, who found that when light is emitted by a moving object, its wavelength changes. If the object is moving towards you the light shifts to the blue end of the spectrum; farther away it shifts to the red end. Hubble saw that light from almost every galaxy is redshifted. Then he found something else: “Hubble’s really big discovery”, Kirshner says, “was that the velocities of those galaxies and their distances from us were proportional. By itself that’s astonishing, the story of an expanding universe. But as a practical matter, by measuring the wavelength of the light you get a number that’s proportional to the distance. And that tells you which ones are nearby and which are far away.” That proportion is called the Hubble Constant.

When Huchra and his colleagues began measuring the redshifts of galaxies, they found extraordinary cosmic structures. Mapping the northern sky in the 1980s, they found a wall of galaxies 500m light years long, 200m light years wide and 16m light years thick. Called the Great Wall, it‘s been likened to a giant cosmic duvet. They saw voids between clusters of galaxies hundreds of millions of light years across. They began to see that the universe is clumpy rather than smooth, and that galaxies are strung out on filaments—“like the bubbles in a soap dish”, Kirshner says—and that the best theories of how the universe was formed couldn’t account for what they were seeing.

While those earlier maps had been of portions of the sky, in 2005 work began on this map of the entire local universe. The first step was a 2D map of the sky, but there was one thing blocking the view: our own galaxy. The Milky Way is full of dust, which obscures large parts of the cosmos and creates what astronomers call the “Zone of Avoidance”.

To get round that problem, the astronomers worked in infra-red. “In the infra-red, the dust from our galaxy is easier to see through,” says Karen Masters, who worked with Huchra. Then they added redshift measurements to give the map its third dimension. “One of the big advantages of this map”, Masters says, “is that it reveals structures that, because we’re embedded in them, are difficult to see by looking in any one direction. Wherever there’s a very large concentration of galaxies, all the galaxies round it move towards that point. And it seems like the biggest concentration in our part of the universe is just behind the Zone of Avoidance.” In other words, it helps to show us where the Milky Way is going.

So how did the universe come to look like this? The answer appears to be hiding in plain sight. “Clusters of galaxies seem to be held together by gravity,” Masters says. “But we know they couldn’t be held together by their own gravity, by the gravity of the stars within them. We know there’s a material out there which we can’t see but which has gravity: dark matter. It’s easy to simulate on a computer, and if you make simulations of dark matter and what it does to the universe, you end up with structures that look a lot like what you see here. So this is the current thinking: that the galaxies you’re looking at are just lighting up the underlying field of dark matter.” ~ SIMON WILLIS

SIMON WILLISis digital editor of Intelligent Life and a former associate editor of Granta

http://www.intelligentlifemagazine.com/

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