Blue Dunes of Mars  This image taken from HiRISE instrument aboard the robotic Mars Reconnaissance Orbiter, shows a variety of different dune types in southern Lyot Crater in the Northern lowlands at 48.9 degrees north, on Mars.

Blue Dunes of Mars

This image taken from HiRISE instrument aboard the robotic Mars Reconnaissance Orbiter, shows a variety of different dune types in southern Lyot Crater in the Northern lowlands at degrees north, on Mars. Image credit: NASA/JPL/University of Arizona

universe - Collections - Nebula clouds | You cannot look up at the night sky on the Planet Earth and not wonder what it's like to be up there amongst the stars. And I always look up at the moon and see it as the single most romantic place within the cosmos.

A nebula from Latin: "cloud"is an interstellar cloud of dust, hydrogen, helium and other ionized gases. Originally, nebula was a name for any diffuse astronomical object, including galaxies beyond the Milky Way.

NASA’s recently launched Solar Dynamics Observatory, or SDO, is returning early images that confirm an unprecedented new capability for scientists to better understand our sun's dynamic processes.

A full-disk multiwavelength extreme ultraviolet image of the sun taken by SDO on March False colors trace different gas temperatures. Reds are relatively cool (about Kelvin, or F); blues and greens are hotter (greater than 1 million Kelvin, or F).

Perspective in space.

Perspective in space.

Perspective in space proportions - just when you thought you knew how vast the universe was./ Cosmos / Universo / Milki Way Galaxy / Earth / Solar System / Universe / Galactic

A new image of two tangled galaxies has been released by NASA's Great Observatories. The Antennae galaxies are shown in this composite image from the Chandra X-ray Observatory, the Hubble Space Telescope, and the Spitzer Space Telescope.

The Antennae galaxies, located about 62 million light-years from Earth. This composite image includes images from the Chandra X-ray Observatory (blue), the Hubble Space Telescope (gold and brown), and the Spitzer Space Telescope (red).

Well-Speckled Polar Dunes

Well-Speckled Polar Dunes

Barchan (crescent-shaped) sand dunes covered in frost, North Polar erg of Mars, during the northern spring season

image from Mars Reconnaissance Orbiter on 27 January 2010 - black marks, no one knows what they are they just show up every Martian spring. source: npr.org/blogs/krulwich

Krulwich Wonders...

Martian plain from 200 miles up.Are Those Spidery Black Things On Mars Dangerous? (Maybe) via NPR

The Dotted Dunes of Mars. As spring dawns on the Northern Hemisphere of Mars, dunes of sand near the poles begin to defrost. Thinner regions of ice typically thaw first revealing sand whose darkness soaks in sunlight and accelerates the thaw. The process might involve sandy jets exploding through the thinning ice. By summer, the spots expand to encompass the entire dunes that are then completely thawed and dark. The carbon dioxide and water ice sublime in the thin atmosphere directly to gas.

The Dotted Dunes of Mars. As spring dawns on the Northern Hemisphere of Mars, dunes of sand near the poles begin to defrost. Thinner regions of ice typically thaw first revealing sand whose darkness soaks in sunlight and accelerates the thaw.

Phobos, one of the Mar's moons is getting closer to the planet 3/21/17

A dramatic view of Phobos (one of Mars' moons) and its Stickney crater acquired by HiRES in Joy Richard Preuss Horoscope Gl.Stationsvej Randers sv Denmark Scandinavian Europe USA Today Danmark Denmark USA The Republic of Joy Richard Preuss

Dumbell Nebula - a planetary nebula in the constellation Vulpecula, at a distance of about 1,360 light years.

--Pia (Dumbell Nebula-a planetary nebula in the constellation Vulpecula, at a distance of about 1360 light years.

35 #Facts About #Space That Will Blow Away Your Freaking Mind - Youth Connect #SpaceFacts

Solar System Scale: Third Stone from the Sun, We Are! The Sun Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune

Many galaxies (© NASA/AP)

Galactic Wreckage in Stephan's Quintet - A clash among members of a famous galaxy quintet reveals an assortment of stars across a wide color range, from young, blue stars to aging, red stars. This group is also known as the Hickson Compact Group 92

The remains of a river delta on Mars. Multicellular Organic Neural Network Lives in Nitrogen-Oxygen Atmosphere 270 K - 300 KEats, Breathes, Thinks, Creates.

The remains of a river delta on Mars. Multicellular Organic Neural Network Lives in Nitrogen-Oxygen Atmosphere 270 K - 300 KEats, Breathes, Thinks, Creates.

"Space Storm." Nebula, s=Stars, Cosmos, Fractals

Global Puzzle

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