HS-ESS1-4

Use mathematical or computational representations to predict the motion of orbiting objects in the solar system.

  1. Physics

    A new tool shows tiny changes in the ’24-hour’ length of a day

    An underground instrument known as ‘G’ uses laser beams to measure Earth’s rotation — a gauge of day length — with extreme precision.

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  2. Planets

    Analyze This: Neptune’s cloud cover syncs up with the solar cycle

    Telescope observations hint how sunlight-driven chemistry may boost cloud cover on our solar system’s farthest planet.

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  3. Space

    You can get involved in science during the 2024 solar eclipse

    The sun will be near the peak of its activity cycle during the eclipse on April 8, 2024. That will make it a great time to crowdsource solar research.

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  4. Space

    Weird black holes may reveal secrets of the early universe

    Emerging evidence points to the existence of rogue black holes and other cosmic oddities — such as big black holes in tiny galaxies.

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  5. Planets

    Research on exoplanets took top award at 2023 Regeneron ISEF

    Six young researchers took home the top awards, each valued at a minimum of $50,000. Hundreds more shared nearly $9 million in prizes at international event.

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  6. Tech

    A new solar-powered gel purifies water in a flash

    The unusual, fruit-inspired structure of this material provides quick filtration that could satisfy people's daily water needs.

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  7. Space

    Scientists Say: Accretion Disk

    Cosmic swirls of gas, dust and plasma, accretion disks reveal the shadowy silhouettes of black holes and more.

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  8. Planets

    Planets like Star Wars’ Tatooine could be fit for life

    Like Luke Skywalker’s home, planets orbiting two stars may be plentiful. A new computer model suggests that many of those worlds could sustain life.

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  9. Earth

    Scientists Say: Equinox and Solstice

    Equinoxes and solstices mark the maximums, minimums and mediums of hours spent in daylight.

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  10. Space

    Spacecraft traveling through a wormhole could send messages home

    A probe going through a wormhole should be able to send messages home before such a tunnel forever closes, a new computer model finds.

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  11. Math

    Scientists Say: Calculus

    Calculus is math that deals with curves, from their changing slopes to the areas they enclose.

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  12. Space

    Jets may have sculpted rings of Cat’s Eye nebula

    The Cat’s Eye nebula is one of the most complex of its kind. A 3-D model now reveals the source of that complexity.

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