NASA
Where is the Edge of the Solar System?
Where does the solar system end? It all depends on the criteria you are using. Based on where the planets end, you could say it's Neptune and the Kuiper Belt. If you measure by edge of the sun's magnetic fields, the end is the...
Mazz Media
Revolución
This live-action video program is about the word revolution. The program is designed to reinforce and support a student's comprehension and retention of the word revolution through use of video footage, photographs, diagrams and...
NASA
Snapshots from the Edge of the Sun
For the first time, using NASA's Solar Terrestrial Relations Observatory, or STEREO, scientists have imaged the edge of the sun and described that transition – from which the solar wind blows. Defining the details of this boundary helps...
NASA
NASA | SDO: Three Years in Three Minutes--With Expert Commentary
This version of SDO:Three Years in Three Minutes is extended and narrated by NASA's Goddard Space Flight Center heliophysicist Alex Young. He highlights many interesting aspects of the video and points out several of the single-frame...
NASA
NASA | You're Welcome Science: Galileo's Greatest Hits
On March 20, 2009, at 1:00 p.m. EDT, join a panel of scientists for a live Sun-Earth Day Webcast on www.nasa.gov and NASA TV. During the webcast, scientists will share discoveries about the sun, while students monitor the sun and prepare...
NASA
NASA | STEREO reveals the Entire Sun
Launched in October 2006, STEREO traces the flow of energy and matter from the sun to Earth. It also provides unique and revolutionary views of the sun-Earth system. STEREO, when paired with SDO, can now give us the first complete view...
NASA
NASA | THEMIS Discovers Biggest Breach of Earth's Magnetosphere
NASA’s THEMIS mission has overturned a longstanding belief about the interaction between solar particles and Earth’s protective magnetic field. This new discovery could help scientists predict when the solar storms that can disrupt power...
NASA
NASA | Shadow of the Moon
On March 20th, 2015, the Moon’s shadow will create a total solar eclipse. This video presents several visualizations of what this shadow would look like from space, and highlights the areas of the world in the path of the umbra and...
NASA
NASA | SDO's Instruments: EVE
Dean Pesnell, the SDO Project Scientist, explains how the the Extreme Ultraviolet Variability Experiment (EVE) instrument will allow us to better measure solar irradiance in extreme ultraviolet wavelengths. This type of irradiance, which...
NASA
NASA | IBEX: Exploring The Edge Of Our Solar System
IBEX is a new NASA mission that will study the interaction between the solar wind and the material beyond our solar system called the interstellar medium. The solar wind flowing out from the sun inflates a bubble that we call the...
NASA
Meet ICON: NASA's Airglow Explorer
NASA’s Ionospheric Connection Explorer, or ICON, launches in December 2017 [Ed. note: the launch date has subsequently been scheduled for Nov. 7, 2018] and orbits above the upper atmosphere, through the bottom edge of near-Earth space....
NASA
Human Activity Impacted Space Weather
Our Cold War history is now offering scientists a chance to better understand the complex space system that surrounds us. Space weather -- which can include changes in Earth's magnetic environment -- are usually triggered by the sun's...
NASA
Tour the Plane Giving NASA’s ICON a Ride to Space
Early in the morning of Nov. 7, 2018, NASA launches the Ionospheric Connection Explorer, or ICON, a spacecraft that will explore the dynamic region where Earth meets space. ICON launches on a Northrop Grumman Pegasus XL rocket, which is...
NASA
NASA | SDO's Helioseismic and Magnetic Imager (HMI)
Dean Pesnell, the SDO Project Scientist, explains how the Helioseismic and Magnetic Imager (HMI) instrument will allow us to see activity inside the sun and even on the other side of the sun. This video is available for download from the...
NASA
NASA | IRIS: The Science of NASA's Newest Solar Explorer
At the end of June 2013, NASA will launch its newest mission to watch the sun: the Interface Region Imaging Spectrograph, or IRIS. IRIS will show the lowest levels of the sun's atmosphere, the interface region, in more detail than has...
NASA
Hubble and Going Forward to the Moon
We are going forward to the Moon by 2024, but did you know that back in 2005, Dr. Jim Garvin and his team of scientists pointed the Hubble Space Telescope at our nearest celestial neighbor for a very important reason? The Hubble team...
NASA
NASA | Comparing CMEs
This video features two model runs. One looks at a moderate coronal mass ejection (CME) from 2006. The second run examines the consequences of a large coronal mass ejection, such as The Carrington-Class CME of 1859. These model runs...
NASA
Four of Our Favorite SOHO-discovered Comets
On June 15, 2020, a citizen scientist spotted a never-before-seen comet in data from the Solar and Heliospheric Observatory, or SOHO — the 4,000th comet discovery in the spacecraft’s 25-year history. The comet is nicknamed SOHO-4000,...
NASA
A Total Solar Eclipse Revealed Solar Storms 100 Years Before Satellites
Eclipses set the stage for historic science. NASA is taking advantage of the Aug. 21, 2017 eclipse by funding 11 ground-based scientific studies. As our scientists prepare their experiments for next week, we're looking back to an...
NASA
Blowtorch vs Heat Shield
Betsy Congdon of Johns Hopkins Applied Physics Lab is the Lead Thermal Engineer on the heat shield that NASA's Parker Solar Probe will use to protect itself against the Sun. The shield is so robust, Congdon can use a blowtorch on one...
NASA
NASA | The Sun Song
The "Chromatics" is a unique, high-energy, a-capella vocal band that delights audiences across the country. Originally formed in 1993 at NASA's Goddard Space Flight Center, the Chromies wrote and produced their astronomically correct...
NASA
NASA | Scientists Answer Top Space Weather Questions, Part 1
NASA scientists answer some common questions about the sun, space weather, and how they affect the Earth. This is a two-part series. Part One addresses: 1. What is space weather? 2. What are coronal mass ejections? 3. What are solar...
NASA
NASA | Many Views of a Massive CME
On July 23, 2012, a massive cloud of solar material erupted off the sun's right side, zooming out into space. It soon passed one of NASA's Solar Terrestrial Relations Observatory, or STEREO, spacecraft, which clocked the CME as traveling...
NASA
11 Years Charting Edge of Solar System
Far, far beyond the orbits of the planets lie the hazy outlines of the magnetic bubble in space that we call home. This is the heliosphere, the vast bubble that is generated by the Sun’s magnetic field and envelops all the planets. The...