mysteries of a dark universe
Bookmarked 707 weeks ago
watch this video commercial free on the spacerip app available in the apple and google play stores dark energy in full hd 1080p cosmology the study of the universe as a whole has been turned on its head by a stunning discovery that the universe is flying apart in all directions at an ever-increasing rate is the universe bursting at the seams or is nature somehow fooling usthe astronomers whose data revealed this accelerating universe have been awarded the nobel prize for physics and yet since 1998 when the discovery was first announced scientists have struggled to come to grips with a mysterious presence that now appears to control the future of the cosmos: dark energyon remote mountaintops around the world major astronomical centers hum along with state of the art digital sensors computers air conditioning infrastructure and motors to turn the giant telescopes deep in chile039s atacama desert the paranal observatory is an astronomical mecca this facility draws two megawatts of power enough for around two thousand homeswhat astronomers get for all this is photons tiny mass-less particles of light they stream in from across time and space by the trillions from nearby sources down to one or two per second from objects at the edge of the visible universein this age of precision astronomy observers have been studying the properties of these particles to find clues to how stars live and die how galaxies form how black holes grow and more but for all we039ve learned we are finding out just how much still eludes our grasp how short our efforts to understand the workings of the universe still fall a hundred years ago most astronomers believed the universe consisted of a grand disk the milky way they saw stars like our own sun moving around it amid giant regions of dust and luminous gas the overall size and shape of this quotisland universequot appeared static and unchangingthat view posed a challenge to albert einstein who sought to explore the role that gravity a dynamic force plays in the universe as a whole there is a now legendary story in which einstein tried to show why the gravity of all the stars and gas out there didn039t simply cause the universe to collapse into a heap he reasoned that there must be some repulsive force that countered gravity and held the universe uphe called this force the quotcosmological constantquot represented in his equations by the greek letter lambda it039s often referred to as a fudge factorin 1916 the idea seemed reasonable the dutch physicist willem de sitter solved einstein039s equations with a cosmological constant lending support to the idea of a static universenow enter the american astronomer vesto slipher working at the lowell observatory in arizona he examined a series of fuzzy patches in the sky called spiral nebulae what we know as galaxies he found that their light was slightly shifted in colorit039s similar to the way a siren distorts as an ambulance races past us if an object is moving toward earth the wavelength of its light is compressed making it bluer if it039s moving away the light gets stretched out making it redder 12 of the 15 nebulae that slipher examined were red-shifted a sign they are racing away from usedwin hubble a young astronomer went in for a closer look using the giant new hooker telescope in southern california he scoured the nebulae for a type of pulsating star called a cepheid the rate at which their light rises and falls is an indicator of their intrinsic brightness by measuring their apparent brightness hubble could calculate the distance to their host galaxies combining distances with redshifts he found that the farther away these spirals are the faster they are moving away from us this relationship called the hubble constant showed that the universe is not static but expandingeinstein acknowledged the breakthrough and admitted that his famous fudge factor was the greatest blunder of his career

the riddle of antimatter
Bookmarked 707 weeks ago
watch this and other space videos at http:spaceripcomin high-res 1080p explores one of the deepest mysteries about the origin of our universe according to standard theory the early moments of the universe were marked by the explosive contact between subatomic particles of opposite charge featuring short interviews with masaki hori tokyo university and jeffrey hangst aarhus universityscientists are now focusing their most powerful technologies on an effort to figure out exactly what happened our understanding of cosmic history hangs on the question: how did matter as we know it survive and what happened to its birth twin its opposite a mysterious substance known as antimatter a crew of astronauts is making its way to a launch pad at the kennedy space center in florida little noticed in the publicity surrounding the close of this storied program is the cargo bolted into endeavor039s hold it039s a science instrument that some hope will become one of the most important scientific contributions of human space flightit039s a kind of telescope though it will not return dazzling images of cosmic realms long hidden from view the distant corners of the universe or the hidden structure of black holes and exploding starsunlike the great observatories that were launched aboard the shuttle it was not named for a famous astronomer like hubble or the chandra x-ray observatorythe instrument called the alpha magnetic spectrometer or ams the promise surrounding this device is that it will enable scientists to look at the universe in a completely new way most telescopes are designed to capture photons so-called neutral particles reflected or emitted by objects such as stars or galaxies ams will capture something different: exotic particles and atoms that are endowed with an electrical charge the instrument is tuned to capture quotcosmic raysquot at high energy hurled out by supernova explosions or the turbulent regions surrounding black holes and there are high hopes that it will capture particles of antimatter from a very early time that remains shrouded in mysterythe chain of events that gave rise to the universe is described by what039s known as the standard model it039s a theory in the scientific sense in that it combines a body of observations experimental evidence and mathematical models into a consistent overall picture but this picture is not necessarily completethe universe began hot after about a billionth of a second it had cooled down enough for fundamental particles to emerge in pairs of opposite charge known as quarks and antiquarks after that came leptons and antileptons such as electrons and positrons these pairs began annihilating each othermost quark pairs were gone by the time the universe was a second old with most leptons gone a few seconds later when the dust settled so to speak a tiny amount of matter about one particle in a billion managed to survive the mass annihilation that tiny amount went on to form the universe we can know - all the light emitting gas dust stars galaxies and planets to be sure antimatter does exist in our universe today the fermi gamma ray space telescope spotted a giant plume of antimatter extending out from the center of our galaxy most likely created by the acceleration of particles around a supermassive black hole the same telescope picked up signs of antimatter created by lightning strikes in giant thunderstorms in earth039s atmosphere scientists have long known how to create antimatter artificially in physics labs - in the superhot environments created by crashing atoms together at nearly the speed of lighthere is one of the biggest and most enduring mysteries in science: why do we live in a matter-dominated universe what process caused matter to survive and antimatter to all but disappear one possibility: that large amounts of antimatter have survived down the eons alongside matterin 1928 a young physicist paul dirac wrote equations that predicted the existence of antimatter dirac showed that every type of particle has a twin exactly identical but of opposite charge as dirac saw it the electron and the positron are mirror images of each other with all the same properties they would behave in exactly the same way whether in realms of matter or antimatter it became clear though that ours is a matter universe the apollo astronauts went to the moon and back never once getting annihilated solar cosmic rays proved to be matter not antimatterit stands to reason that when the universe was more tightly packed that it would have experienced an quotannihilation catastrophequot that cleared the universe of large chunks of the stuff unless antimatter somehow became separated from its twin at birth and exists beyond our field of view scientists are left to wonder: why do we live in a matter-dominated universe

brian rife - get into it
Bookmarked 701 weeks ago
download on amazon - http:smarturlitgetintoitand itunes - http:smarturlititunesgetintoit

the solar system
Bookmarked 610 weeks ago
learn the planets of the solar system excludes pluto plus have fun playing with space objectstea time with tayla educational playlists:nursery rhymes - http:bitly1im6ejeabcs amp phonics - http:bitly1huq4l3learn colors - http:bitly1mufyutlearn numbers amp counting - http:bitly1mvsozxhow to draw - http:bitly1qetet6animals and insects - http:bitly1llxgjkcrafts for kids - http:bitly1e5xicpwear a tea time t-shirt:kids - http:bitlyipsb1wadults - http:bitly1fj920bjoin tayla039s email club: http:bitlypjqgzs-- subscribe to tea time with tayla -- http:wwwyoutubecomuserteatimewithtayla-- follow tea time with tayla --facebook: http:wwwfacebookcomteatimewithtaylasite: http:wwwteatimewithtaylacomtwitter: http:wwwtwittercomteatimetaylagoogle: https:plusgooglecomteatimewithtaylapinterest: http:wwwpinterestcomteatimetayladownload free nursery rhymes ibooks for apple ipad:itsy bitsy spider - http:bitly17k1g6lrow row row your boat - http:bitly1crecw1tea time with tayla is a fun and educational show for kids nursery rhymes sing-a-longs abc039s colors shapes and more new videos every week

mila mars - inside rubbing for outside tan
Bookmarked 46 weeks ago
watch mila mars - inside rubbing for outside tan 2024 runtime: 47:24 categories: black babe petite babe beauty beautiful cowgirl reverse cowgirl missionary doggystyle handjob blowjob hd porn mila mars oiled oil wet bangbros black black girl ebony ebony girl petite skinny bbc small tits natural tits small ass hornyhill hornyhillse

sailormars transforms in a whore
Bookmarked 46 weeks ago
watch sailormars transforms in a whore 2023 runtime: 08:04 categories: ahegao ahegao face ahegao fuck anime cosplay big tits cosplay dildo drooling eye rolling orgasm glass dildo latex boots pawg popular costumes pov sailor mars sailor moon sailor moon cosplay sex toys thick and curvy cosplay hornyhill hornyhillse

sexy doctor and nurse haley spades amp missa mars get free used by horny patient - freeuse milf
Bookmarked 45 weeks ago
watch sexy doctor and nurse haley spades amp missa mars get free used by horny patient - freeuse milf 2023 haley spades runtime: 16:58 categories: haley spades anal cumshot blonde milf threesome uniform booty nurse fetish close up doctor thick taboo storyline cum in mouth cocina role play eating pussy hot blonde casual sex freeuse rule 34 free use missa mars hornyhill hornyhillse

when will time end
Bookmarked 768 weeks ago
it now seems that our entire universe is living on borrowed time how long it can survive depends on whether stephen hawking039s theory checks out special thanks to ivan bridgewater for use of footagetime is flying by on this busy crowded planet as life changes and evolves from second to second and yet the arc of human lifespan is getting longer: 65 years is the global average way up from just 20 in the stone age modern science however provides a humbling perspective our lives indeed the life span of the human species is just a blip compared to the age of the universe at 137 billion years and counting it now seems that our entire universe is living on borrowed time and that even it may be just a blip within the grand sweep of deep time scholars debate whether time is a property of the universe or a human invention what039s certain is that we use the ticking of all kinds of clocks from the decay of radioactive elements to the oscillation of light beams to chart and measure a changing universe to understand how it works and what drives it our own major reference for the passage of time is the 24-hour day the time it takes the earth to rotate once well it039s actually 23 hours 56 minutes and 41 seconds approximately if you039re judging by the stars not the sun earth acquired its spin during its birth from the bombardment of rocks and dust that formed it but it039s gradually losing that rotation to drag from the moon039s gravitythat039s why in the time of the dinosaurs a year was 370 days and why we have to add a leap second to our clocks about every 18 months in a few hundred million years we039ll gain a whole hourthe day-night cycle is so reliable that it has come to regulate our internal chemistrythe fading rays of the sun picked up by the retinas in our eyes set our so-called quotcircadian rhythmsquot in motion that039s when our brains begin to secrete melatonin a hormone that tells our bodies to get ready for sleep long ago this may have been an adaptation to keep us quiet and clear of night-time predatorsfinally in the light of morning the flow of melatonin stops our blood pressure spikes body temperature and heart rate rise as we move out into the worldover the days and years we march to the beat of our biologybut with our minds we have learned to follow time039s trail out to longer and longer intervalsphilosophers have wondered does time move like an arrow with all the phenomena in nature pushing toward an inevitable endor perhaps it moves in cycles that endlessly repeat and even perhaps restore what is there we know from precise measurements that the earth goes around the sun once every 365256366 days as the earth orbits with each hemisphere tilting toward and away from its parent star the seasons bring on cycles of life birth and reproduction decay and death only about one billionth of the sun039s energy actually hits the earth and much of that gets absorbed by dust and water vapor in the upper atmosphere what does make it down to the surface sets many planetary processes in motion you can see it in the annual melting and refreezing of ice at the poles the ebb and flow of heat in the tropical oceansthe seasonal cycles of chlorophyll production in plants on land and at sea and in the biosphere at largethese cycles are embedded in still longer earth cycles ocean currents for example are thought to make complete cycles ranging from four to around sixteen centuriesmoving out in time as the earth rotates on its axis it completes a series of interlocking wobbles called milankovic cycles every 23 to 41000 years they have been blamed for the onset of ice ages about every one hundred thousand years then there039s the carbon cycle it begins with rainfall over the oceans and coastal waves that pull carbon dioxide into the sea

are women as horny as men
Bookmarked 765 weeks ago
http:streetcarnagecomgavinbuy the dvd including the uncensored version all of gavin039s other videos and other exclusive shitwhat do you get when you convince tobey maguire john stossel and eva mendes to get nude and fight each other well you get a pornographic romcom about post-millennial intercourse in a world where gender still matters its a full-body experience that borders on going to heaven to quote gavin mcinnes the genius behind the film quotevery time someone watches my movie an angel goes to hooters and gets its wingsquotthen he said no but seriously folks this video will be on my new dvd gavin mcinnes is a fucking asshole ready for christmashttp:streetcarnagecomgavin

the united - enjoying london
Bookmarked 716 weeks ago
new episodes every sunday at 4pm european time be sure to subscribe like and share our videosmuch love the unitedfacebook: wwwfacebookcomtheunitedofficialtwitter: theunitedtweetmyspace: wwwmyspacecomtheunitedofficialtagsthe united official marry you bruno mars acoustic cover european boy band boyband fonzy91 fonzy step stefano anania manuel hoffmann dsds michael watson gabriel brandes teus van der linden one direction the wanted singing performing xfactor america idol itunes guitar covent garden london hot cool sexy boys guy male sing dance smile disney justin bieber boyfriend britney gaga rihanna katy perry big time rush btr doo wops hooligans version lyrics taylor swift love jonas jb vlog steve

2011 kia optima: quotone epic ridequot big game commercial
Bookmarked 776 weeks ago
travel through space and time as a policeman villain poseidon alien and ancient chief try to get their hands on the allnew optima prepare for quotone epic ridequot

best epic zerg strategy ever
Bookmarked 758 weeks ago
the best zerg strategy ever if you thought you couldn039t roll play in starcraft2 here039s your chance to truly be a zergremember to subscribe folksmusic is from holst planets mars the bringer of war

john carter extended scene - white apes - disney - only at the movies march 8
Bookmarked 720 weeks ago
from academy award--winning filmmaker andrew stanton comes quotjohn carterquota sweeping action-adventure set on the mysterious and exotic planet of barsoom mars quotjohn carterquot is based on a classic novel by edgar rice burroughs whose highly imaginative adventures served as inspiration for many filmmakers both past and present the film tells the story of war-weary former military captain john carter taylor kitsch who is inexplicably transported to mars where he becomes reluctantly embroiled in a conflict of epic proportions amongst the inhabitants of the planet including tars tarkas willem dafoe and the captivating princess dejah thoris lynn collins in a world on the brink of collapse carter rediscovers his humanity when he realizes that the survival of barsoom and its people rests in his handsdisney039s john carter only at the movies march 8http:facebookcomwaltdisneystudiosaunzhttp:disneymoviescomauclassification: m -- science fiction violence

john carter - exclusive ten minute scene
Bookmarked 719 weeks ago
in theaters march 9 get tickets: http:disnlyfacebook: http:facebookcomjohncartermovieofficial site: http:disneycomjohncartertwitter: http:twittercomjohncarterfrom academy award--winning filmmaker andrew stanton comes quotjohn carterquota sweeping action-adventure set on the mysterious and exotic planet of barsoom mars quotjohn carterquot is based on a classic novel by edgar rice burroughs whose highly imaginative adventures served as inspiration for many filmmakers both past and present the film tells the story of war-weary former military captain john carter taylor kitsch who is inexplicably transported to mars where he becomes reluctantly embroiled in a conflict of epic proportions amongst the inhabitants of the planet including tars tarkas willem dafoe and the captivating princess dejah thoris lynn collins in a world on the brink of collapse carter rediscovers his humanity when he realizes that the survival of barsoom and its people rests in his hands

john carter 10 minute extended clip official - disney - only at the movies march 8
Bookmarked 719 weeks ago
from academy award--winning filmmaker andrew stanton comes quotjohn carterquota sweeping action-adventure set on the mysterious and exotic planet of barsoom mars quotjohn carterquot is based on a classic novel by edgar rice burroughs whose highly imaginative adventures served as inspiration for many filmmakers both past and present the film tells the story of war-weary former military captain john carter taylor kitsch who is inexplicably transported to mars where he becomes reluctantly embroiled in a conflict of epic proportions amongst the inhabitants of the planet including tars tarkas willem dafoe and the captivating princess dejah thoris lynn collins in a world on the brink of collapse carter rediscovers his humanity when he realizes that the survival of barsoom and its people rests in his handsdisney039s john carter only at the movies march 8http:facebookcomwaltdisneystudiosaunzhttp:disneymoviescomauclassification: m -- science fiction violence