Space
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Jupiter: A New Point of View
This striking Jovian vista was created by citizen scientists Gerald Eichstädt and Seán Doran using data from the JunoCam imager on NASA’s Juno spacecraft.
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thesunmoonandstars wrote: »Has anyone bought the limited edition solar eclipse stamps that change with body heat from usps to honor the upcoming eclipse? Are they as cool as look? Is anyone going to eat moon pies whilst watching the eclipse?
I didn't plan on it, but I will now.1 -
The shadow of the moon falls on Earth as seen from the International Space Station, 230 miles above the planet, during a total solar eclipse at about 4:50 a.m. EST March 29.
This digital photo was taken by the Expedition 12 crew, who are wrapping up a six-month mission on the ISS. Visible near the shadow are portions of Cyprus in the Mediterranean Sea and the coast of Turkey.
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(Aug. 21, 2017) --- As millions of people across the United States experienced a total eclipse as the umbra, or moon’s shadow passed over them, only six people witnessed the umbra from space.
Viewing the eclipse from orbit were NASA’s Randy Bresnik, Jack Fischer and Peggy Whitson, ESA (European Space Agency’s) Paolo Nespoli, and Roscosmos’ Commander Fyodor Yurchikhin and Sergey Ryazanskiy.
The space station crossed the path of the eclipse three times as it orbited above the continental United States at an altitude of 250 miles.
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Watching the Aurora From Orbit
Expedition 52 Flight Engineer Jack Fischer of NASA shared photos and time-lapse video of a glowing green aurora seen from his vantage point 250 miles up, aboard the International Space Station. This aurora photo was taken on June 26, 2017.1 -
Any pics of a magnatar exploding?
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Hubble Uses Gravitational Lens to Capture Disk Galaxy
By combining the power of a "natural lens" in space with the capability of NASA's Hubble Space Telescope, astronomers made a surprising discovery—the first example of a compact yet massive, fast-spinning, disk-shaped galaxy that stopped making stars only a few billion years after the big bang.1 -
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A World of Snowy Dunes on Mars
It was spring in the Northern hemisphere when this image was taken on May 21, 2017, by the HiRISE camera on NASA's Mars Reconnaissance Orbiter. Over the winter, snow and ice have inexorably covered the dunes. Unlike on Earth, this snow and ice is carbon dioxide, better known to us as dry ice.1 -
NASA's CloudSat Sees Tropical Storm Harvey in 3D
Tropical Storm Harvey on Aug. 26, 2017, at 2:45 p.m. CDT (19:45 UTC) as the storm was nearly stationary over south Texas.
At that time, Harvey contained estimated maximum sustained winds of 69 miles per hour (60 knots). CloudSat flew over Harvey northeast of the storm center through an area of moderate to heavy rainfall in the outer rainbands. As seen in the image and animation, large amounts of liquid and ice water (denoted by the red and pink colors) are visible beneath the cloud tops.
The lack of a radar signal (attenuation) beneath the melting layer (located around 3 miles, or 5 kilometers, above ground) can be seen in the heavier areas of precipitation, since CloudSat's cloud profiling radar (CPR) signal dampens when precipitation particles are larger than 0.12 inches (3 millimeters) in size. Smaller cumulus and cumulonimbus clouds are seen north of the area of moderate to heavy precipitation. The cirrus canopy (anvil clouds) extends outward from the storm system (shown in blue and green colors).
An animation is available at https://photojournal.jpl.nasa.gov/catalog/PIA173921 -
^^^ That is farging cool...0
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SDO Saw Only a Partial Eclipse
Millions of excited people in the U.S. traveled many miles see a total eclipse, and what a show it was. The SDO spacecraft was not so fortunate: its orbit only allowed it to observe a partial eclipse that at its peak covered only about 14 per cent of the sun (Aug. 21, 2017).
Most of the people in the U.S. (weather permitting) observed at least 60 per cent coverage of the sun by the Moon. The good news for SDO is that it gets to see partial and solar eclipses several times a year. So, it all kind of balances out, in a way.
An animation is available at https://photojournal.jpl.nasa.gov/catalog/PIA219291 -
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Oregon Wildfire in Eclipse Zone Imaged by NASA Satellite
The Whitewater Fire in the Mount Jefferson Wilderness in Oregon was started by a lightning strike. As of Aug. 18, 2017, more than 117,000 acres and 30 miles (48 kilometers) of the Pacific Crest Trail are closed to the public in an area that had been expected to be popular with people there to view the August 21 solar eclipse.
The smoke clouds sit over the burned area, just west-northwest of Mount Jefferson. The image was acquired Aug. 18, 2017, covers an area of 16 by 17 miles (26.1 by 27.2 kilometers), and is located at 44.7 degrees north, 121.8 degrees west.1 -
Hubble's Megamaser Galaxy
MCG+01-38-005 (below) is a special kind of megamaser; the galaxy’s active galactic nucleus pumps out huge amounts of energy, stimulating clouds of surrounding water.1 -
Hurricane Harvey Flooding Seen in New NASA Satellite Image
On Sept. 5, 2017, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument on NASA's Terra spacecraft captured this image of the area around Bay City, Texas, about 50 miles (80 kilometers) southwest of Houston.
Hurricane Harvey caused extensive inland flooding, seen as dark blue areas where the water is relatively clear, and green-grey where the water carries sediment.
The image covers an area of 32 by 65 miles (52 by 105 kilometers), and is centered at 29.2 degrees north, 95.8 degrees west.1 -
Hurricane Irma, a record Category 5 storm, is seen in this NOAA National Weather Service National Hurricane Center image from GOES-16 satellite taken on September 5, 2017.
Irma strengthened to a Category 5 hurricane Tuesday with winds up to 185 mph. The storm is most powerful ever recorded in the Atlantic Ocean. It’s so strong it is even showing up on scales for measuring earthquakes.1 -
Here is another perspective of Irma. The arrows show winds at the surface, graded from green to red.
Here's the website:
https://earth.nullschool.net/#current/wind/surface/level/orthographic=-75.32,30.97,338
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September 5, 2017
the International Space Station pass over Hurricane Irma3 -
The GPM satellite's DPR (shown in lighter shades) uncloaked precipitation that was falling at a rate of more than 10.8 inches (274 mm) per hour in the solid ring of powerful storms within Irma's eye wall. These extreme storms were reaching heights of over 10.0 miles (16.2 km).
NASA-NOAA’s Suomi NPP satellite captured this night-time image of Hurricane Irma over the Leeward Islands on Sept. 6 at 1:35 a.m. EDT (0535 UTC).2 -
Jupiter's Auroras Acceleration Processes
This image, created with data from Juno's Ultraviolet Imaging Spectrometer (UVS), marks the path of Juno's readings of Jupiter's auroras, highlighting the electron measurements that show the discovery of the so-called discrete auroral acceleration processes indicated by the "inverted Vs" in the lower panel.
This signature points to powerful magnetic-field-aligned electric potentials that accelerate electrons toward the atmosphere to energies that are far greater than what drive the most intense aurora at Earth. Scientists are looking into why the same processes are not the main factor in Jupiter's most powerful auroras.1 -
This view from NASA's Cassini spacecraft shows a wave structure in Saturn's rings known as the Janus 2:1 spiral density wave.2 -
ISS Pass Over Hurricane Jose and Hurricane Irma 9/8/17
https://www.youtube.com/watch?time_continue=1&v=ODiWspJYaXQ0 -
With this view, Cassini captured one of its last looks at Saturn and its main rings from a distance.2 -
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A large sunspot was the source of a powerful solar flare (an X 9.3) and a coronal mass ejection (Sept. 6, 2017). The flare was the largest solar flare of the last decade. For one thing, it created a strong shortwave radio blackout over Europe, Africa and the Atlantic Ocean.
Sunspot 2673 has been also the source of several other smaller to medium-sized solar flares over the past few days. Data from the SOHO spacecraft shows the large cloud of particles blasting into space just after the flare.
Note: the bright vertical line and the other rays with barred lines are aberrations in our instruments caused by the bright flash of the flare.
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NASA's Cassini spacecraft gazed toward the northern hemisphere of Saturn to spy subtle, multi-hued bands in the clouds there.1 -
Talking about space.
Hubble Ultra Deep Field, which contains approximately 10,000 galaxies
Space is big. You just won't believe how vastly, hugely, mind- bogglingly big it is. I mean, you may think it's a long way down the road to the chemist's, but that's just peanuts to space. - Douglas Adams in 'The Hitchhiker's Guide to the Galaxy'1
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