A Total Solar Eclipse Revealed Solar Storms 100 Years Before Satellites
Scientists observed these eruptions in the 1970s during the beginning of the modern satellite era, when satellites in space were able to capture thousands of images of solar activity that had never been seen before. But in hindsight, scientists realized their satellite images might not be the first record of these solar storms. Hand-drawn records of an 1860 total solar eclipse bore surprising resemblance to these groundbreaking satellite images.
Eclipse archive imagery from: http://mlso.hao.ucar.edu/hao-eclipse-archive.php
Complete transcript available.
Music credits: ‘Electricity Wave’ by Jean-François Berger [SACEM] and ‘Solar Winds’ by Ben Niblett [PRS], Jon Cotton [PRS]
Watch this video on the NASA Goddard YouTube channel.
Credits
Please give credit for this item to:
NASA's Goddard Space Flight Center
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Animator
- Joy Ng (KBRwyle)
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Writer
- Kathalina Tran (SGT)
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Scientists
- Joseph Davila (NASA/GSFC)
- Ryan Milligan (University of Glasgow)
- Sten Odenwald (NASA/GSFC)
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Producer
- Joy Ng (KBRwyle)
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Support
- Karen Fox (ADNET)
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Technical support
- Aaron E. Lepsch (ADNET Systems, Inc.)
Series
This visualization can be found in the following series:Related pages
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ID: 12636 Produced Video
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Read moreWatch this video on the NASA Goddard YouTube channel.Complete transcript available.Music credit: Patisserie Pressure by Benjamin James Parsons || A team of three scientists have two minutes to complete an experiment during the 2017 total solar eclipse. || Animation simulating how the polarization camera improves speed during the experiment. || Animation simulating the traditional way of conducting the experiment without a polarization camera. ||
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ID: 12179 Produced Video
NASA Jets Chase The Total Solar Eclipse
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ID: 20233 Animation
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ID: 20230 Animation
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ID: 4321 Visualization
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Read moreThe umbral and penumbral shadow cones travel across the surface of the Earth during the August 21, 2017 total solar eclipse. || A solar eclipse occurs when the Moon's shadow falls on the Earth. The shadow comprises two concentric cones called the umbra and the penumbra. Within the smaller, central umbra, the Sun is completely blocked by the Moon, and anyone inside the umbra sees a total eclipse. Within the larger penumbra, the Sun is only partially blocked.In this animation, the umbra and penumbra cones are viewed through a telescopic lens on a virtual camera located far behind the Moon. Long focal lengths like the one used here appear to compress the distance between near and far objects. Despite appearances, the geometry of the scene is correct. The Earth is roughly 112 lunar diameters beyond the Moon, and the angle at the apex of the umbral cone is only about half a degree.From this point of view directly behind the Moon, the edges of the shadow cones look circular. The edge of the penumbra is outlined in yellow. It passes over all of North and Central America and the Amazon basin, as well as Greenland and the North Pole. Everyone there will see at least a partial eclipse. The path of the umbra (the small black dot) crosses the United States from Oregon to South Carolina. ||
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ID: 30179 Hyperwall Visual
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Read moreThe photographs used to make this video were taken on September 17, 2011 from 17:22:27 to 17:37:21 GMT from the International Space Station (ISS). This image sequence begins over the Indian Ocean halfway between Madagascar and Antarctica. Aurora Australis is present for the first 2/3rds of the video, then Australis comes into view. Yellow lights near the coast show the presence of cities, while interior oragne lights indicate brush fires.http://eol.jsc.nasa.gov || Time lapse photos of Aurora Australis ||
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ID: 10785 Produced Video
NASA's Heliophysics Fleet Captures May 1, 2013 Prominence Eruption and CME
Read moreOn May 1, 2013, NASA's Solar Dynamics Observatory (SDO) watched as an active region just around the East limb (left edge) of the sun erupted with a huge cloud of solar material—a heated, charged gas called plasma. This eruption, called a coronal mass ejection, or CME, sent the plasma streaming out through the solar system. Viewing the sun in the extreme ultraviolet wavelength of 304 angstroms, SDO provided a beautiful view of the initial arc as it left the solar surface. Such eruptions soon leave SDO's field of view, but other satellites in NASA's Heliophysics fleet can pick them up, tracking such space weather to determine if they are headed toward Earth or spacecraft near other planets. With advance warning, many space assets can be put into safe mode and protect themselves from the effects of such particle radiation.In addition to the images captured by SDO, the May 1, 2013 CME was also observed by the ESA/NASA Solar and Heliospheric Observatory (SOHO). SOHO houses two overlapping coronagraphs—telescopes where the bright sun is blocked by a disk so it doesn't overpower the fainter solar atmosphere—and they both saw the CME continue outward. The LASCO C2 coronagraph shows the region out to about 2.5 million miles. The LASCO C3 coronagraph expands even farther out to around 13.5 million miles. Both of these instruments show the CME as it expands and becomes fainter on its trip away from the sun.NASA's Solar Terrestrial Relations Observatory (STEREO) Ahead satellite saw the eruption from a very different angle. It, along with its twin STEREO Behind, is orbiting at a similar distance as Earth. STEREO-A orbits slightly faster than Earth and STEREO-B orbits slightly slower. Currently, STEREO-A is more than two-thirds of the way to being directly behind the sun, and has a view of the far side of the sun. From this perspective, the CME came off the right side of the sun. STEREO has an extreme ultraviolet camera similar to SDO's, but it also has coronagraphs like SOHO. As a result, using its two inner coronagraphs, it was able to track the CME from the solar surface out to 6.3 million miles.Working together, such missions provide excellent coverage of a wide variety of solar events, a wealth of scientific data—and lots of beautiful imagery.Watch this video on YouTube. ||
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ID: 11003 Produced Video
Excerpt from "Dynamic Earth"
Read moreA giant explosion of magnetic energy from the sun, called a coronal mass ejection, slams into and is deflected completely by the Earth's powerful magnetic field. The sun also continually sends out streams of light and radiation energy. Earth's atmosphere acts like a radiation shield, blocking quite a bit of this energy.Much of the radiation energy that makes it through is reflected back into space by clouds, ice and snow and the energy that remains helps to drive the Earth system, powering a remarkable planetary engine — the climate. It becomes the energy that feeds swirling wind and ocean currents as cold air and surface waters move toward the equator and warm air and water moves toward the poles — all in an attempt to equalize temperatures around the world.A jury appointed by the National Science Foundation (NSF) and Science magazine has selected "Excerpt from Dynamic Earth" as the winner of the 2013 NSF International Science and Engineering Visualization Challenge for the Video category. This animation will be highlighted in the February 2014 special section of Science and will be hosted on ScienceMag.org and NSF.govThis animation was selected for the Computer Animation Festival's Electronic Theater at the Association for Computer Machinery's Special Interest Group on Computer Graphics and Interactive Techniques (SIGGRAPH), a prestigious computer graphics and technical research forum. This is an excerpt from the fulldome, high-resolution show 'Dynamic Earth: Exploring Earth's Climate Engine.' The Dynamic Earth dome show was selected as a finalist in the Jackson Hole Wildlife Film Festival Science Media Awards under the category "Best Immersive Cinema - Fulldome". ||
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