Trying to imagine the smallest things in our universe is rather difficult. Quarks, cosmic strings, neutrinos. The sale of the truly tiny is simply beyond our realm of comprehension. Numerous hot points along the zoom slider allow for direct access to planets, animals, atoms and more. As you scroll, a handy dial spins to show you your present magnification level.
While other sites have tried to magnify the universe, no one else has done so with real photographs and 3D renderings. To fully capture the awe of the vastly different sizes of the Pillars of Creation, Andromeda, the Sun, elephants, and HIV, you really need to see images, not just illustrations of these items.
Every time you zoom out, the bigger objects are one-tenth of their prior size. If you zoom from the biggest object, The Observable Universe 8. Our universe really is immensely massive and surprisingly small. Weiss et al. Kraft et al. Share to Facebook. Tweet This. Share via Email. Hard Science. See how the smallest particles compare to the largest things in the cosmos. Jolene Creighton September 22nd The creators explain it best:.
Aurora Australis, over the Indian Ocean. Aurora Australis, unknown location in the Southern Hemisphere. A compilation of such visual spectacles was captured recently from the International Space Station ISS and set to rousing music.
Passing below are white clouds, orange city lights, lightning flashes in thunderstorms, and dark blue seas. The green parts of auroras typically remain below the space station, but the station flies right through the red and purple auroral peaks.
Solar panels of the ISS are seen around the frame edges. The ominous wave of approaching brightness at the end of each sequence is just the dawn of the sunlit half of Earth, a dawn that occurs every 90 minutes.
To those brave men and women who fly alone in the night to take us to the stars, we salute you.The universe Latin : universus is all of space and time [a] and their contents,  including planetsstarsgalaxiesand all other forms of matter and energy. While the spatial size of the entire universe is unknown,  it is possible to measure the size of the observable universewhich is currently estimated to be 93 billion light-years in diameter.
The earliest cosmological models of the universe were developed by ancient Greek and Indian philosophers and were geocentricplacing Earth at the center. In developing the law of universal gravitationIsaac Newton built upon Copernicus' work as well as Johannes Kepler 's laws of planetary motion and observations by Tycho Brahe.
Size Comparison of Universe
Further observational improvements led to the realization that the Sun is one of hundreds of billions of stars in the Milky Waywhich is one of at least hundreds of billions of galaxies in the universe. Many of the stars in our galaxy have planets. At the largest scalegalaxies are distributed uniformly and the same in all directions, meaning that the universe has neither an edge nor a center. At smaller scales, galaxies are distributed in clusters and superclusters which form immense filaments and voids in space, creating a vast foam-like structure.
The Big Bang theory is the prevailing cosmological description of the development of the universe. According to estimation of this theory, space and time emerged together Dark matter gradually gathered, forming a foam -like structure of filaments and voids under the influence of gravity.
Giant clouds of hydrogen and helium were gradually drawn to the places where dark matter was most denseforming the first galaxies, stars, and everything else seen today. It is possible to see objects that are now further away than This means that objects which are now up to From studying the movement of galaxies, it has been discovered that the universe contains much more matter than is accounted for by visible objects; stars, galaxies, nebulas and interstellar gas.
This unseen matter is known as dark matter  dark means that there is a wide range of strong indirect evidence that it exists, but we have not yet detected it directly.
It suggests that about There are many competing hypotheses about the ultimate fate of the universe and about what, if anything, preceded the Big Bang, while other physicists and philosophers refuse to speculate, doubting that information about prior states will ever be accessible. Some physicists have suggested various multiverse hypotheses, in which our universe might be one among many universes that likewise exist. The physical universe is defined as all of space and time [a] collectively referred to as spacetime and their contents.
The universe is often defined as "the totality of existence", or everything that exists, everything that has existed, and everything that will exist.
The Cosmic Distance Scale
The word universe derives from the Old French word universwhich in turn derives from the Latin word universum. The same synonyms are found in English, such as everything as in the theory of everythingthe cosmos as in cosmologythe world as in the many-worlds interpretationand nature as in natural laws or natural philosophy.
The prevailing model for the evolution of the universe is the Big Bang theory. The model is based on general relativity and on simplifying assumptions such as homogeneity and isotropy of space. A version of the model with a cosmological constant Lambda and cold dark matterknown as the Lambda-CDM modelis the simplest model that provides a reasonably good account of various observations about the universe.
The Big Bang model accounts for observations such as the correlation of distance and redshift of galaxies, the ratio of the number of hydrogen to helium atoms, and the microwave radiation background. During the Planck epoch, all types of matter and all types of energy were concentrated into a dense state, and gravity —currently the weakest by far of the four known forces —is believed to have been as strong as the other fundamental forces, and all the forces may have been unified.
Objects in space did not physically move; instead the metric that defines space itself changed. Although objects in spacetime cannot move faster than the speed of lightthis limitation does not apply to the metric governing spacetime itself. This initial period of inflation is believed to explain why space appears to be very flat, and much larger than light could travel since the start of the universe.
Within the first fraction of a second of the universe's existence, the four fundamental forces had separated. As the universe continued to cool down from its inconceivably hot state, various types of subatomic particles were able to form in short periods of time known as the quark epochthe hadron epochand the lepton epoch. Together, these epochs encompassed less than 10 seconds of time following the Big Bang. These elementary particles associated stably into ever larger combinations, including stable protons and neutronswhich then formed more complex atomic nuclei through nuclear fusion.
This process, known as Big Bang nucleosynthesisonly lasted for about 17 minutes and ended about 20 minutes after the Big Bang, so only the fastest and simplest reactions occurred. Any other element was only formed in very tiny quantities. After nucleosynthesis ended, the universe entered a period known as the photon epoch.This feature will give an impression of how immense our Universe is by employing a method used many times in "Power of 10" films - that is, starting with an image of the Earth and then zooming out towards the furthest visible reaches of our Universe.
This is not, however, an exercise in "powers of 10" - on the contrary, our goal is to show you astronomical distances without scientific notation. We instead focus on the large number of zeros that are in astronomical distances when we measure them with a familiar unit like the kilometer. The number of zeros increase with each zoom, though not at a constant rate. Why was this feature written? The Imagine the Universe! Here is a unique Solar System distance scale that utilizes sideways scrolling - this is partly to show just how big the Solar System proper is, but also why it's impossible to show the planets to scale on a poster.
Additionally, here are the newest candidates as of September and May respectively for farthest galaxy yet detected. EGS8p7 at more than As is this new one produced by the same folks.
Simply click below on the link that says "Begin". A page will open with our starting point - Earth. From there, you may zoom out to the next stopping point on our voyage into the depths of outer space by clicking on the "zoom out" link.
Every page will give you an opportunity to stop and learn about the objects that are located at that particular distance via a link at the bottom of each page. Often external links are employed when they are deemed useful.
Click on the word "Back" at the bottom of the page to go back to the Distance Scale. If you wish to zoom back to the Earth, just click on the "zoom in" links. Scientific Oversight was provided by Dr. Koji Mukai. The Cosmic Distance Scale. Barbara Mattson Web Curator: J.Los Angeles seems like a relatively big town. In fact, it is the second largest city in the United States. The journey to this icy body took nearly a decade. As you can see L.
To the everyday individual, our planet probably seems like a rather large place.Cosmic Eye (Original HD Version)
At the equator, the circumference of Earth is 24, miles 40, km. It is a massive storm system that has existed for hundreds of years. Ultimately, it is 12, miles long and 7, miles wide 20, km by 12, km.
Our entire planet would be blown away. Even at its smallest, this storm could easily swallow two to three Earths. Solar Flares are marvelous and utterly terrifying solar events. Our Sun is amazingly powerful. In fact, it is so powerful, it is able to influence objects that are literally light-years away.
To break this down a bit, the Earth is just about million km from the Sun about 96 million mi.
VY Canis Majoris is one of the largest stars in our galaxy. When it was first discovered some years ago, we thought that it was actually two stars orbiting together in a binary system. Ultimately, this star is so large, if it were placed at the center of our solar system, it would extend beyond the orbit of Jupiter. OJ is one of the largest black holes in the known universe. All the planets, the asteroid belt, and obviously us. Shown in this image is IC The single largest galaxy that has ever been found in the observable universe.
It is located almost a billion light-years away. Just how large is it? If our galaxy were to be replaced with this super-giant, it would swallow up both Magellanic clouds, the Andromeda galaxy, the Triangulum galaxy, and almost all the space in between.
That is simply staggering.We all know that, in the grand scheme of things, Earth and everything on it is pretty tiny. But being aware that the Universe is a big place is one thing, and really understanding the scale of it is something else entirely. We then pass through some of the spectacularly compact aspects of the human body hello, DNA before seeing how all of that compares to the rest of the world, the Solar System, the Milky Way galaxy, and finally the observable Universe A lot of things, say, the size of the planets orbiting our Sun, you may be pretty familiar with.
But there are definitely a few surprises when you see those objects in comparison to everything else. For example, exactly how big Saturn is!! Once we step outside our Solar System, things get even more trippy, with a visual demonstration of how large some stars can get - our seemingly giant Sun is a tiny pinprick in comparison to the red hypergiant Canis Majoris. Zoom out even further, and you can see the incomprehensible distance that our little lonely space probe, Voyager I, has travelled from Earth.
But hold onto your seats here, because all of that pales in comparison to the size of 1 light-year. And even that feels small when you see how far away the Sun is from its closest solar neighbour, Proxima Centauri.
Watch to the very end to have your perspective of the Universe, and our place in it, changed forever. If all of this has left you feeling totally small and insignificant, don't worry - consider how lucky we are that somehow in this giant Universe, we've ended up living on this tiny, habitable speck of a planet.
And remember that we're made up of the very same elements that form those unimaginably big stars. We may be small, but we're mighty.Please be patient while this page loads -- it takes several minutes. But it does include, after all, the entire universe. You may see a blank space below, then a gray box. Stick with it. When it's finished loading, prepare to be mesmerized. Click "Start," and then use the slider across the bottom, or the wheel on your mouse, to zoom in -- and in and in and in It will take you from the very smallest features postulated by scientists the strings in string theory to the very largest the observable universe.
If you want background music or don't want the distractionclick on the musical note in the upper right corner. Apologies if you're using a mobile device; the tool uses Flash animation, which doesn't work with all operating systems.
But a lot of work went into it. It turns out that " Scale of the Universe 2 " was created by Cary Huang, a year-old ninth grader from Moraga, Calif.
I decided to make my own interactive version that included a much larger range of sizes," said Cary in an email forwarded by his mother. However, my science teacher loved it so much she showed [it] to the class! My brother, Michael, helped me put it on the internet. Cary said he worked on the project, on and off, for a year and a half, getting information from Wikipedia and astronomy books. It is now spreading virally online. Click on objects in the animation for more information.
Cary said he invites people to correct any errors they find. This is his second version, he said; the first had less information in it, and the graphics needed work. Asked if he thought there was a lesson to be learned from the project, Cary wrote, "I would like to say that humankind is a very small part of the universe we live in.
There could be so much more out there, but we just don't know it yet. All rights reserved. Michael and Cary Huang Cary is on right in blue T-shirt. Huang family photograph.
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