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Earth from Space | Smithsonian Institution
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8 Wonders of the Solar System, Made Interactive

Space the final frontier (learn more about space and technology)


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Have We Found The Universe That Existed Before The Big Bang?
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NGC 6050/IC 1179 (Arp 272) is a remarkable collision between two spiral galaxies, NGC 6050 and IC 1179, and is part of the Hercules Galaxy Cluster, located in the constellation of Hercules. The galaxy cluster is part of the Great Wall of clusters and superclusters, the largest known structure in the Universe. The two spiral galaxies are linked by their swirling arms. Arp 272 is located some 450 million light-years away from Earth and is number 272 in Arp's Atlas of Peculiar Galaxies. Interactive Sky Map Interactive Sky Map

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Scale of Universe - Interactive Scale of the Universe Tool
Monster Galaxy Cluster 'El Gordo' Packs Mass of 2 Quadrillion Suns AUSTIN, Texas — The largest cluster of galaxies seen yet in the early universe, a giant that astronomers have dubbed "El Gordo," could one day reveal secrets about the invisible dark matter that fills the universe, researchers said. El Gordo — which means "the fat one" in Spanish — is officially known as ACT-CL J0102-4915 and "is located more than 7 billion light-years from Earth, at a time when the universe was half its current age," study co-author John Patrick Hughes at Rutgers University told The universe is about 13.7 billion years old. The monster galaxy cluster has mass about 2 quadrillion (that's 2 followed by 15 zeroes) times that of the sun, making it "the most massive known cluster in the distant universe." A galaxy cluster behemoth Galaxy clusters form through mergers of smaller groups of galaxies. Monster Galaxy Cluster 'El Gordo' Packs Mass of 2 Quadrillion Suns
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Solar System, Solar System Information Solar System, Solar System Information Our Cosmic Neighborhood From our small world we have gazed upon the cosmic ocean for thousands of years. Ancient astronomers observed points of light that appeared to move among the stars. They called these objects "planets," meaning wanderers, and named them after Roman deities—Jupiter, king of the gods; Mars, the god of war; Mercury, messenger of the gods; Venus, the goddes of love and beauty, and Saturn, father of Jupiter and god of agriculture. The stargazers also observed comets with sparkling tails, and meteors or shooting stars apparently falling from the sky.
The Scale of the Universe
Hubble Heritage Gallery of Images
Interactive 3D model of Solar System Planets and Night Sky Interactive 3D model of Solar System Planets and Night Sky Description 3D simulation of the Solar System and night sky in real time - the Sun, planets, dwarf planets, comets, stars and constellations. - Heliocentric view with real-time positions of planets and planetary orbits - Schematic and realistic sizes of the planets and distances between them - Movement of the planets in time to see how they move in relation to each other - Virtual Orrery - Planetary exploration with info texts and additional views such as structure - Dwarf planets (Pluto, Ceres, Haumea, Makemake. Eris) and their orbits - Comets (Siding Spring, Lovejoy 2013, Lovejoy 2011, Panstarrs, ISON, Halley) - positions and trajectories - Stars and constellation of the night sky as viewed from a given location - Changes in the night sky during night, month and year - Searching of the stars and constellation, ecliptic line, grid lines and more
Scale of the Universe 2012 Credits: Scale of the Universe 2 was created by Cary and Michael Huang. Drag the scrollbar or use your mouse-wheel to zoom in and out of the universe. Prepare to have your mind blown! Scale of the Universe 2012
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Beautiful animated Solar System Model
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8 Wonders of the Solar System Artist Ron Miller takes us on a journey to eight of the most breathtaking views that await explorers of our solar system. The scale of these natural wonders dwarfs anything Earth has to offer. What might we see and feel if we could travel to these distant domains? By interpreting data from probes such as NASA's Cassini, which is now exploring the Saturnian system, and MESSENGER, which goes into orbit around Mercury in March 2011, the artist's eye allows us an early visit to these unforgettable locales.Start > 8 Wonders of the Solar System
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How White Holes (Might) Work
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Twenty Four Hour View of the Sky