vania-janet/multiturn-rag-retrieval-data huggingface dataset:
Education News & Blogs – NASA Jet Propulsion Laboratory
Visit NASA's Eclipse Science page to learn more about the many ways scientists are using the eclipse to improve their understanding of Earth, the Moon, and the Sun. Taking Eclipse Science Farther Eclipses also make a great jumping-off point to concepts and techniques used in astrophysics and our search for planets beyond our solar system. Similar to a solar eclipse, a transit occurs when a planet crosses in front of the face of a star. From Earth, the planets Venus and Mercury can occasionally be seen transiting in front of the Sun, appearing as small, dark dots. Transits are also useful for detecting exoplanets – distant planets around other stars. When an exoplanet passes in between its star and Earth, we can measure tiny dips in the star's brightness that tell scientists a planet is there even when it’s too small to see. Another way that eclipse concepts are used for astrophysics is with coronagraphs, mechanisms inside telescopes that block the light from a star. By creating a sort of artificial eclipse, coronagraphs help scientists search for exoplanets by making much dimmer planets orbiting a star easier to see. For example, NASA’s Nancy Grace Roman Telescope, slated for launch later this decade, will use an advanced coronagraph to analyze and directly image planets that orbit other stars. Learn more about the astrophysics involved in eclipses, including the use of gravitational lensing to study background objects, from NASA’s Universe of Learning. Learn how the coronagraph instrument on the Nancy Grace Roman Telescope will allow the spacecraft to peer at the universe through some of the most sophisticated sunglasses ever designed. | Watch on YouTube Solar Eclipse Lessons and Projects Use these standards-aligned lessons, plus related activities and resources, to get your students excited about the eclipse and the science that will be conducted during the eclipse. Student Project How to Make a Pinhole Camera Learn how to make your very own pinhole camera to safely see a solar eclipse in action from anywhere the eclipse is visible, partial or full! Subject Science Grades K-12 Time < 30 mins Collection NASA's Universe of Learning – Eclipse Resources Explore a curated collection of resources to expand student learning around the eclipse to related astrophysics concepts. Lesson Moon Phases Students learn about the phases of the Moon by acting them out.
Watch the Skies -
When the Moon is close to the Earth, its larger size completely covers the Sun, causing a total eclipse, which will occur on April 8, 2024. A partial eclipse occurs when the Earth, Moon, and Sun are not perfectly aligned so only a part of the Sun will appear to be covered, giving it a crescent shape. During a total or annular solar eclipse, people outside the totality/annularity paths will see a partial solar eclipse.
From left to right, this image shows a total solar eclipse, annular solar eclipse, and partial solar eclipse.
The Eclipse Experience
Mitzi Adams, NASA Marshall Space Flight Center​ Heliophysics and Planetary Science Branch Assistant Chief, shares her observations during the five total eclipses she has experienced. “It is like nothing you’ve ever experienced before. It’s sort of like somebody puts a bowl on top of Earth right above where you’re standing. In the middle of the day, it gets darker, but you can still see light around the rim.” Adams explains. “You can essentially observe a sunrise or sunset. The temperatures cool. The wind picks up. The birds may go to roost, or the coyotes may howl.”
During an annular eclipse like the one coming up on Oct. 14, even with the sun covered up to 90%, the sky remains fairly bright. Those in the path of annularity will have a chance to observe the famed “ring of fire” effect, but it is important to manage your expectations and to remember that solar viewing glasses will be needed during the event’s entirety.
Bill Cooke, NASA’s Meteoroid Environment Office Lead and eclipse enthusiast, says he is most looking forward to the 2024 total eclipse because totality, when the sun is covered 100%, will last much longer than the last total eclipse in 2017 – up to nearly four and a half minutes.
In any of the upcoming eclipse events, in our technology-fueled world, you may also experience some electronic changes as the moon moves across Earth and the ionosphere cools.
The ionosphere forms the boundary between the Earth’s lower atmosphere – where we live and breathe – and the vacuum of space. It is formed when particles are charged, or ionized, by solar radiation.
Education News & Blogs – NASA Jet Propulsion Laboratory
Whether you are traveling to the path of the total eclipse or will be able to step outside and watch the eclipse where you live, here's everything you need to know, including what to expect, how to watch safely, and how to engage in scientific observations and discovery with NASA. Jump To What Are Solar Eclipses? How to Watch the Upcoming Solar Eclipse What Solar Eclipses Mean for Science Taking Eclipse Science Farther Solar Eclipse Lessons and Projects Explore More What Are Solar Eclipses? Solar eclipses occur when the Sun, the Moon, and Earth align. For this alignment to happen, two things need to be true. First, the Moon needs to be in the new moon phase, which is when the Moon’s orbit brings it between Earth and the Sun. Second, eclipses can only happen during eclipse seasons, which last about 34 days and occur just shy of every six months. An eclipse season is the time period when the Sun, the Moon, and Earth can line up on the same plane as Earth's orbit during a new or full moon. If a new moon happens during an eclipse season, the shadow cast by the Moon will land on Earth, resulting in a solar eclipse. Most of the time, because the Moon’s orbit is slightly tilted, the Moon’s shadow falls above or below Earth, and we don't get a solar eclipse. Not all solar eclipses look the same. The distance between the Sun, the Moon, and Earth plays an important role in what we see during a solar eclipse. Even though the Moon is much smaller than the Sun (about 400 times smaller in diameter), the Sun and Moon look about the same size from Earth. This is because the Sun is about 400 times farther away than the Moon. But as the Moon travels its elliptical orbit around Earth, its size appears slightly larger when it is closer to Earth and slightly smaller when it is farther from Earth. This contributes to the different kinds of solar eclipses you might have heard about. For example: During a total solar eclipse, the Moon is closer to Earth in its orbit and appears larger, completely blocking the Sun's disk. This allows viewers in the path of totality to see the Sun’s corona, which is usually obscured by the bright light of the Sun’s surface.
Terra Views the Eclipse! (April 8) | Terra
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Home › News and Events › Terra Views the Eclipse! (April 8)

Terra Views the Eclipse! (April 8)

Posted on April 5, 2024 by Nyssa Rayne 
	Posted in News and Events 

You may have heard about the upcoming full solar eclipse, happening this upcoming April 8th, 2024 — but did you know Terra will have one of the “best seats in the house” for viewing this rare celestial experience?!
In the United States, the center “totality” shadow of the eclipse will pass from south to north along a track on the East Coast from Texas to New York. But because of Terra’s unique morning orbit timing and scheduled location, the satellite’s wide view will capture the eclipse shadow in the early morning hours and over the ocean, limiting visible contrast but still recording important data to be later used in reconstructing this event. Check out the sections below for additional information and eclipse-viewing resources from NASA!

Projected swath in green shows Terra’s view of eclipse totality on April 8, 2024, over the equatorial Pacific Ocean. Credit: Earth Observing System (EOS) / Terra Flight Dynamics System (FDS) 

NASA Eyes on Earth Interactive Tool

Want to learn more about where and when to view the upcoming full eclipse this April 8th?
Education News & Blogs – NASA Jet Propulsion Laboratory
First, viewers outside the path of totality during a total solar eclipse – or the path of annularity during an annular eclipse – will see only part of the Sun’s surface covered by the Moon. The other time a partial eclipse can occur is when the Moon is nearly above or below Earth in its orbit so only part of the Moon’s shadow falls on Earth. In this case, only part of the Sun’s surface will appear covered by the Moon. The Sun appears partially eclipsed in this series of photos taken from NASA’s Johnson Space Center in Houston on Aug. 21, 2017. Image credit: NASA/Noah Moran | › Full image and caption How to Watch the Upcoming Solar Eclipse First, an important safety note: Do not look directly at the Sun or view any part of the partial solar eclipse without certified eclipse glasses or a solar filter. Read more below about when you can safely view the total solar eclipse without eclipse glasses or a solar filter. Visit the NASA Eclipse website for more information on safe eclipse viewing. When following proper safety guidelines, witnessing an eclipse is an unparalleled experience. Many “eclipse chasers” have been known to travel the world to see solar eclipses. Here's what to expect on April 8, 2024: The start time and visibility of the eclipse will depend on your location. You can use the interactive map below to find detailed eclipse information, including timing and coverage, by entering in your location. A list of some of the cities and start times along the path of totality is available on the NASA Science website. Explore when and where to view the eclipse with this interactive map from NASA. Enter your zip code to see what will be visible in your viewing location and when to watch. Credit: NASA's Scientific Visualization Studio The eclipse begins when the edge of the Moon first crosses in front of the disk of the Sun. This is called a partial eclipse and might look as if a bite has been taken out of the Sun. It is important to keep your eclipse glasses on during all parts of the partial solar eclipse. The visible part of the Sun is tens of thousands of times brighter than what you see during totality. You can also use a pinhole camera to view the eclipse.
Sketch the Shape of the Sun for Science During the Solar Eclipse - NASA Science
For more info on SunSketcher, visit: https://sunsketcher.org/How to Become a SunSketcher and Be a Part of History This animated tutorial from the SunSketcher team explains how volunteers can capture images during the total solar eclipse using a free cell phone app to help learn about the size, shape, and inner structure of the Sun. Animation credit: SunSketcher/Tabby ClineBefore the EclipseDownload the free app from your phone’s app store (available on iOS and Android).Initiate the app around five minutes before totality. No internet connection is required.If possible, turn on “Do Not Disturb” in your phone’s settings to prevent vibrations that could disturb the image sequence.Prop the phone against a steady surface (such as a rock, book, phone stand, or tripod) with the rear (back-facing) camera pointed at the Sun.Let it be! The app will automatically take images of Baily’s Beads at the correct times.Enjoy the eclipse! Remember to use specialized eye protection for solar viewing except during the brief total phase of a total solar eclipse, when the Moon completely blocks the Sun.After the EclipseThe app will show a directory of images taken and will request user permission to share them. Only time and location data will be recorded with the images. No personally identifiable or private information will be collected.Once an internet connection is established, the images will be automatically uploaded to a central server and a screen will appear with a thank-you message.By Rose BrunningCommunications Lead, NASA Heliophysics Digital Resource Library (HDRL)ShareDetailsLast UpdatedMar 21, 2024EditorAbbey InterranteRelated Terms2024 Solar EclipseCitizen ScienceEclipsesSkywatchingSolar EclipsesThe SunExplore More2 min readAurorasaurus Roars During Historic Solar StormThe largest geomagnetic storm in 21 years lit up the sky last weekend, and NASA’s volunteers were ready. Between May 10th and 12th 2024, NASA’s Aurorasaurus project received an unprecedented number of reports from around the world.
Five Tips from NASA for Photographing a Total Solar Eclipse - NASA
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Eclipses - NASA Science
Unlike a solar eclipse, it is always safe to look at a lunar eclipse with the naked eye.Learn MoreFrom left to right, this image shows a total solar eclipse, annular solar eclipse, and partial solar eclipse. A hybrid eclipse can appear as either a total or annular eclipse (the left and middle images) depending on the viewer's location.Science of EclipsesEclipses aren’t just beautiful – they’re great for science.In addition to inspiring artists and musicians, eclipses have driven numerous scientific discoveries. For over a century, solar eclipses helped scientists decipher the Sun’s structure and explosive events, find evidence for the theory of general relativity, discover a new element, and much more. NASA scientists still study eclipses to make new discoveries about the Sun, Earth, and our space environment. Total solar eclipses are particularly important because they allow scientists to see a part of the Sun’s atmosphere – known as the corona – which is too faint to see except when the bright light of the Sun’s surface is blocked.Learn MoreNASA’s Solar and Heliospheric Observatory, or SOHO, constantly observes the outer regions of the Sun’s corona using a coronagraph, which blocks the bright solar disk. ESA/NASA/SOHOHistory of the EclipseEclipses have fascinated humans from the beginning.Throughout time, humans have had different interpretations of and reactions to these striking celestial events. In fact, historical records of eclipses from scribes in Anyang, China, helped astronomers at NASA’s Jet Propulsion Laboratory to determine how Earth’s rotation has changed over time. Determining exactly when the eclipse was seen and where the Moon's shadow fell on Earth helped the scientists calculate the rate of Earth's spin.
Snap it! An Eclipse Photo Adventure | NASA Space Place – NASA Science for Kids
Snap it! An Eclipse Photo Adventure | NASA Space Place – NASA Science for Kids

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Snap it! An Eclipse Photo Adventure

 

The Traveler needs your help! They have come to Earth to study an event we call a total solar eclipse. Can you help the Traveler snap photos of an eclipse?

About Eclipses
Total solar eclipses happen when the Moon gets between us and the Sun. During a solar eclipse, the Moon casts its shadow on part of Earth.

Credit: NASA/Krystofer Kim

If you're in the center of the shadow, you can see the Sun's upper atmosphere appear around the Moon!

A photograph of the corona taken during the Aug. 21, 2017 total solar eclipse. Credit: Miloslav Druckmüller, Peter Aniol, Shadia Habbal/NASA Goddard, Joy Ng

On April 8, 2024, a total solar eclipse crosses North America. It passes over Mexico, the United States, and Canada. Anyone along the eclipse’s shadow path can see the total eclipse if the skies are clear. During the total eclipse, the sky will darken. It will look as if it were dawn or dusk. This total solar eclipse will be the last one that many people in the United States will be able to see for many years.

If you want to look at a solar eclipse, make sure you have solar viewing or “eclipse” glasses! These glasses are much darker than normal sunglasses. They block most of the Sun’s light. Looking directly at the Sun without eclipse glasses can damage your eyes. Remember to also use special filters over the lenses of cameras, telescopes, or binoculars when looking at the Sun. The only time during a solar eclipse when it’s safe to look at the Sun without eclipse glasses is during the brief total phase of a total solar eclipse, when the Moon completely blocks the Sun’s bright face. Ask an adult for help looking at the Sun.

Total solar eclipses happen somewhere around the world about once a year.
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Learn more about the 2024 total solar eclipse
Eclipse Photographers Will Help Study Sun During Its Disappearing Act

By Mara Johnson-GrohNASA’s Goddard Space Flight Center, Greenbelt, Md.

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Last Updated

Mar 21, 2024

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