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  1. Only showing results from science.nasa.gov

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  2. science.nasa.gov

    The introduction of Transit Math clearly explains the apparent "collisions," eclipses, transits and occultations to middle school students. The variety of concepts in this 44-problem collection includes synodic periods, planetary conjunctions, geometry, fractions, linear equations and probability.
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  4. science.nasa.gov

    Mar 28, 2024Eclipses and occultations can also tell us about the relative sizes and shapes of objects. This is how Sunsketcher will harness the April 8 eclipse. With your help, they will use our precise knowledge of the size and topography of the Moon to vastly improve estimates of the shape of the Sun.
  5. science.nasa.gov

    Feb 23, 2024In anticipation of the upcoming total solar eclipse on April 8, 2024, NASA's Universe of Learning has created a webpage of astrophysics-related eclipse resources for learners and educators. The webpage shares information about two topics that align with eclipse science: gravitational lensing and exoplanet transits. The collection of resources includes articles, images, and videos to […]
  6. science.nasa.gov

    Transits play an important role in astronomy and can be used to study the orbits of planets and their atmospheres, both in our solar system and in others. By carefully timing and observing transits in the Saturn system, like that of Dione (698 miles or 1,123 kilometers across), scientists can more precisely determine the orbital parameters of ...
  7. science.nasa.gov

    A transit occurs when one astronomical object blocks another. From Earth, we can observe solar transits by Mercury and Venus, and of course the Moon during a solar eclipse. Mercury and Venus are too far away to even come close to blocking out the entire Sun, like a total solar eclipse. An Eclipse Is a Type of Transit
  8. science.nasa.gov

    Transit Method Multiple Planets. July 11, 2017. Language: english; When a planet passes directly between a star and its observer, it dims the star's light by a measurable amount. Light curves get complicated when more planets are transiting a star. The combined light curves can give us the same information as a single one, it just takes more ...
  9. science.nasa.gov

    May 29, 2023Exoplanet Eclipses and Transits for WASP-18 b. May 29, 2023. Credit: NASA/JPL-Caltech (R. Hurt/IPAC) Language: english; Scientists used the James Webb Space Telescope to observe the exoplanet WASP-18 b and its star before, during and after the planet was eclipsed. By measuring the change in light when the planet travels behind the star, the ...
  10. science.nasa.gov

    When a planet crosses directly between us and its star, we see the star dim slightly because the planet is blocking out a portion of the light. We can make a plot called a light curve with the brightness of the star versus time. Using this plot, we can see what percentage of the star's light the planet blocks and how long it takes the planet to cross the disk of the star. Larger planets block ...
  11. science.nasa.gov

    Nov 29, 2023The first hints of it came from NASA's TESS (the Transiting Exoplanet Survey Satellite), which tracks the tiny eclipses - the "transits" - that planets make as they cross the faces of their stars. Combining the TESS measurements, made in separate observations two years apart, revealed an assortment of transits for the host star ...

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