Explore Constellation Orion, January 4, and more!

Largest, closest, highest sun | EarthSky 1/7/17 As seen from Rio de Janeiro, Brazil on January 4, Earth reached its closest point to the sun just 40 minutes before the sun reached its highest daily position in Rio`s sky …

As seen from Rio de Janeiro, Brazil on January Earth reached its closest point to the sun just 40 minutes before the sun reached its highest daily position

hs-2004-05-a-full_tif.tif 450×600 pixels

Rings and Moons Circling Uranus: Image Credit: NASA and Erich Karkoschka, University of Arizona.

Ocean Worlds in Our Solar System - NASA JPL Infographic

Earth isn’t the only ocean world in our solar system. Oceans could exist in diverse forms on moons and dwarf planets, offering clues in the quest to discover life beyond our home planet.

Venus appears as a blazing star to the eye alone. But if you looked at it through a telescope now, you'd find it showing a phase and appearing approximately half illuminated.

Between now and late March, when Venus flies between us and the sun - thereby entering our morning sky - those with telescopes will see Venus wane, like a

43,000 Galaxies on a Map / the most complete map of our local universe to date. It took more than ten years to create, has 43,000 galaxies and extends out 380 million light years from the Earth. The 3D coordinates of each galaxy were recorded so the raw data could potentially be used to build a realistic 3D model of the universe.

This is What 43,000 Galaxies Look Like On a Map

Galaxies on a Map. The most complete map of our little corner of the universe to date. It took more that ten years to create, has galaxies and extends out 380 million light years from the earth. The coordinates of each galaxy was recorded

Highlights of NASA's live solar eclipse coverage on August 21, 2017.

2017 Solar Eclipse Highlights

2017 Total Solar Eclipse - ISS Transit Aug (inter space station passing in front of the eclipse

Cassini viewing Saturn rings, Dione, and Titan in background

A quartet of Saturn's moons, from tiny to huge, surround and are embedded within the planet's rings in this Cassini composition. [wallpaper sizes available]

People around the world watched this week as the waning crescent moon swept near the very bright planet Venus, and fainter star Aldebaran, in the east before dawn.

People around the world watched this week as the waning crescent moon swept near the very bright planet Venus, and fainter star Aldebaran, in the east before dawn

This false-color composite image, constructed from data obtained by NASA's Cassini spacecraft, shows Saturn's rings and southern hemisphere. The image was made from 65 individual observations by Cassini's visual and infrared mapping spectrometer on Nov. 1, 2008.

This false-color composite image, constructed from data obtained by NASA's Cassini spacecraft, shows Saturn's rings and southern hemisphere. The image was made from 65 individual observations by Cassini's visual and infrared mapping spectrometer on Nov.

Blue Sun...? Photo from Nasa. Hippie trippy from our government. Now I know what they do with all that tax money... I think?

Sun Photo from Nasa ~ I could swim in that blue forever and ever.

Titan is one of Saturn’s most remarkable moons. Unlike many of the gas giant’s 62 satellites, it isn’t merely a rocky object captured by the planet’s immense gravitational pull, nor is it an icy sphere. It’s actually a muddy world, with oceans, lakes and seas of methane moved by hydrocarbon winds.

Specular Spectacular - This near-infrared, color mosaic from NASA's Cassini spacecraft shows the sun glinting off of Titan's north polar seas.

Drifting through the Orion Arm of the spiral Milky Way Galaxy, this cosmic cloud by chance echoes the outline of California.

Total Solar Eclipse of March 8, 2016, Observed from Tidore Indonesia

Total Solar Eclipse of March Observed from Tidore Indonesia - EPOD - a service of USRA

This dynamic image of active region NOAA 12241 was captured by the SDO’s Atmospheric Imaging Assembly in December 2014. Observations of this region from a number of observatories and instruments reveal details about the formation and eruption of a long solar filament. Wang and collaborators show that the right part of the filament formed by magnetic reconnection between two bundles of magnetic field lines, while the left part formed as a result of shearing motion.

This dynamic image of active region NOAA 12241 reveals the formation of a solar filament.

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