HS-ESS1-2

Construct an explanation of the Big Bang theory based on astronomical evidence of light spectra, motion of distant galaxies, and composition of matter in the universe.

More Stories in HS-ESS1-2

  1. Planets

    Pluto is no longer a planet — or is it?

    In the 15 years since Pluto lost its status as a planet, some scientists continue to use whatever definition works best for them.

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  2. Space

    Here’s an easier new way to weigh a black hole

    The timing of flickers in the gas and dust of a black hole’s accretion disk correlates to its mass, a new study finds.

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  3. Earth

    Let’s learn about meteor showers

    Meteor showers happen when Earth’s orbit passes through trails of debris left behind by comets or asteroids.

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  4. Planets

    Jupiter’s intense auroras heat up its atmosphere

    Jupiter’s hotter-than-expected upper atmosphere may be warmed by charged particles slamming into the air above the poles.

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  5. Space

    Let’s learn about dark matter

    Dark matter is only detectable by the gravitational pull it exerts on visible objects, like stars and galaxies.

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  6. Space

    This image may be the first look at exomoons in the making

    These observations offer some of the best evidence yet that planets around other stars have moons, or exomoons.

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  7. Space

    Born in deep shadows? That could explain Jupiter’s strange makeup

    Dust that blocked sunlight might have caused the gas giant to form in a deep freeze, a new study suggests.

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  8. Space

    Cosmic filaments may have the biggest spin in outer space

    These rotating threads of dark matter and galaxies stretch millions of light-years. Scientists want to know how their spin begins.

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  9. Space

    Spin in this Milky Way bar may show cosmic dark matter does exist

    A method akin to studying a tree’s rings reveals the timeline of a slowdown in those stars at the heart of our Milky Way galaxy.

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