On Monday, April 8, 2024, there’ll be a total solar eclipse – and it’ll be the last one to cross North America for 20 years. Make sure you’re tuned in to our live broadcast for this exciting event: there’ll be views from along the path of totality, special guests, and plenty of science.
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ALTLaRue Burbank, mathematician and computer, is just one of the many women who were instrumental to NASA missions.
Women have always played a significant role at NASA and its predecessor NACA, although for much of the agency’s history, they received neither the praise nor recognition that their contributions deserved. To celebrate Women’s History Month – and properly highlight some of the little-known women-led accomplishments of NASA’s early history – our archivists gathered the stories of four women whose work was critical to NASA’s success and paved the way for future generations.
ALTFor Earth Day, we’re inviting you to take a moment to celebrate our wonderful water world, Earth. As far as we know, our Blue Marble is the only place in the universe with life, and that life depends on water. Snap a photo of yourself outside and tag it #GlobalSelfie – bonus points if your selfie features your favorite body of water! http://go.nasa.gov/3xFt0H0
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ALTOur Advanced Composite Solar Sail System will launch aboard Rocket Lab’s Electron rocket from the company’s Launch Complex 1 in Māhia, New Zealand no earlier than April 23, at 6 p.m. EDT. This mission will demonstrate the use of innovative materials and structures to deploy a next-generation solar sail from a CubeSat in low Earth orbit.
Here are five things to know about this upcoming mission:
ALTGet dazzled by the true spectrum of solar beauty. From fiery reds to cool blues, explore the vibrant hues of the Sun in a mesmerizing color order. The images used to make this gradient come from our Solar Dynamics Observatory. Taken in a variety of wavelengths, they give scientists a wealth of data about the Sun.
Don’t miss the total solar eclipse crossing North America on April 8, 2024. (It’s the last one for 20 years!) Set a reminder to watch with us.
ALTFollow, follow the Sun / And which way the wind blows / When this day is done 🎶
Today, April 8, 2024, the last total solar eclipse until 2045 crossed North America.
Make sure to follow us on Tumblr for your regular dose of space!
On April 8, 2024, a total solar eclipse will travel through Mexico, cross the United States from Texas to Maine, and exit North America along Canada’s Atlantic coast. A total solar eclipse occurs when the Moon passes between the Sun and the Earth, completely blocking the face of the Sun. The sky will darken as if it were dawn or dusk.
Weather permitting, people throughout most of North and Central America, including all of the contiguous United States, will be able to view at least a partial solar eclipse. A partial solar eclipse is when the Moon only covers part of the Sun. People in Hawaii and parts of Alaska will also experience a partial solar eclipse. Click here to learn more about when and where the solar eclipse will be visible: go.nasa.gov/Eclipse2024Map
Not in the path of the eclipse? Join us online to watch the eclipse with NASA. Set a reminder to watch live: https://go.nasa.gov/3V2CQML
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On July 2, 2019, a total solar eclipse will pass over parts of Argentina and Chile.
Solar eclipses happen when the Moon passes directly between the Sun and Earth, casting its shadow onto Earth’s surface. Because the Moon’s orbit isn’t perfectly in line with the Sun and Earth, its shadow usually passes above or below Earth. But when it lines up just right, we get a solar eclipse!
People in the inner part of the Moon’s shadow — the umbra — have the chance to witness a total solar eclipse, while those in the outer part of the shadow — the penumbra — experience a partial solar eclipse.
The path of the total solar eclipse stretches across parts of Chile and Argentina. People outside this path may see a partial eclipse or no eclipse at all.
During a total solar eclipse, the Moon blocks out the Sun’s bright face, revealing its comparatively faint outer atmosphere, the corona. The corona is a dynamic region that is thought to hold the answers to questions about the fundamental physics of the Sun — like why the corona is so much hotter than the Sun’s surface and how the Sun’s constant outflow of material, the solar wind, is accelerated to such high speeds.
Image Credit: Miloslav Druckmüller, Peter Aniol, Shadia Habbal
Our Parker Solar Probe and the upcoming Solar Orbiter mission from the European Space Agency are exploring these questions by flying through the corona itself and taking unprecedented measurements of the conditions there. Plus, our newly-chosen PUNCH mission will create tiny, artificial eclipses in front of its cameras — using an instrument called a coronagraph — to study structures in the Sun’s corona and examine how it generates the solar wind.
It’s never safe to look directly at the uneclipsed or partially eclipsed Sun – so you’ll need special solar viewing glasses or an indirect viewing method, like pinhole projection, to watch the eclipse.
For people in the path of totality, there will be a few brief moments when it is safe to look directly at the eclipse. Only once the Moon has completely covered the Sun and there is no sunlight shining is it safe to look at the eclipse. Make sure you put your eclipse glasses back on or return to indirect viewing before the first flash of sunlight appears around the Moon’s edge.
No matter where you are, you can watch the eclipse online! The Exploratorium will be streaming live views of the eclipse with commentary in both English and Spanish starting at 4 p.m. EDT / 1 p.m. PDT on July 2. Watch with us at nasa.gov/live!
Para más información e actualizaciones en español acerca del eclipse, sigue a @NASA_es en Twitter o vea esta hoja de hechos.
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The total solar eclipse is coming! Here’s your chance to ask an eclipse scientist your questions!
Have questions about the upcoming total solar eclipse on August 21? Join our Tumblr Answer Time session on Thursday, August 17 from 3:00 – 4:00 p.m. EDT/12:00 - 1:00 p.m. PDT. here on NASA’s Tumblr, where space physics researcher Alexa Halford will answer them. Make sure to ask your questions now by visiting: https://nasa.tumblr.com/ask!
Alexa Halford is a space physics researcher at our Goddard Space Flight Center and Dartmouth College. She started researching waves in Earth’s magnetosphere as an undergraduate at Augsburg College with Mark Engebretson using ground based magnetometers in the Arctic and Antarctic. She moved away from waves to focus on geomagnetic storms and substorms during her masters at the University of Colorado Boulder with Dan Baker but returned once more to waves with her PhD at University of Newcastle NSW Australia. Her PhD thesis was on Electromagnetic Ion Cyclotron (EMIC) waves during the CRRES mission and their relationship to the plasmasphere and radiation belts.
She is member of the scientific team for a NASA-funded scientific balloon experiment project called BARREL (Balloon Array for RBSP Relativistic Electron Losses) where she looks at the population of particles lost due to these interactions. She is now currently a contractor at NASA Goddard continuing work the BARREL and NASA Van Allen Probes satellite missions.
To get more information about the eclipse, visit: https://eclipse2017.nasa.gov/
Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com