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

    Glass beads help scientists puzzle out how baby planets grow

    Researchers have mimicked the first stages of planet formation in the lab. All they needed were glass beads and a catapult.

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  2. Space

    NASA’s Parker probe spots rogue waves and magnetic islands on the sun

    The Parker probe’s first data is giving scientists a look at what’s to come as the craft moves closer to the sun over the next few years.

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  3. Space

    Dust-shrouded monster is a snapshot from the early universe

    Scientists have spotted a massive galaxy from the early universe shrouded in dust. It turned up in a small survey by the ALMA radio telescopes in Chile.

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  4. Space

    Explainer: Understanding meteors and meteor showers

    Meteors regularly enter Earth’s atmosphere. Most ‘shooting stars’ pose few risks to life on the ground, but the rare big ones can be lethal.

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  5. Physics

    Explainer: What are black holes?

    Among the most extreme celestial bodies in the universe, black holes are dense, massive entities whose gravity can sometimes hold together an entire galaxy.

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  6. Planets

    Asteroids may have delivered water to early Earth

    Scientists shot mineral pellets at a simulated planet. It showed an impact wouldn’t have boiled off all of an asteroid’s water.

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  7. Planets

    Small, distant worlds are either big Earths or little Neptunes

    The Kepler space telescope data are in. They split Earth-like exoplanets into two groups and reveal 10 new rocky planets in the ‘Goldilocks’ zone.

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