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. Space

    A massive rogue roaming our galaxy may be a black hole

    Alternatively, this unseen wanderer might be a hefty neutron star. Whatever it is, its gravity caused starlight to be warped — and that gave it away.

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  2. Planets

    Noises sound totally different on Mars than on Earth. Here’s why

    The Perseverance rover recorded the sound of laser pulses on Mars. Scientists used those recordings to determine the Martian speeds of sound.

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  3. Materials Science

    Let’s learn about diamond

    Diamond is born under extreme heat and pressure inside Earth and elsewhere in the universe.

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  4. Space

    Ancient volcanoes may have left ice at the moon’s poles

    Volcanic eruptions billions of years ago may have produced several temporary atmospheres on the moon that held water vapor.

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  5. Planets

    The InSight lander has caught a large ‘earthquake’ on Mars

    This magnitude 5 quake is offering scientists a peek at what’s going on beneath the Martian surface.

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  6. Space

    Behold: The biggest known comet in our solar system

    This “dirty snowball” in space is about twice as wide as Rhode Island and darker than coal.

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  7. Space

    A star called ‘Earendel’ could be the most distant ever seen

    A thin red arc found in an image from the Hubble Space Telescope shows starlight from nearly 13 billion years ago.

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  8. Physics

    Muons reveal the inner worlds of pyramids, volcanoes and more

    Tracking these subatomic particles can uncover surprising hidden structures.

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  9. Space

    We finally have an image of the black hole at the heart of our galaxy

    New observations from the Event Horizon Telescope reveal the chaotic region around the Milky Way’s central black hole, Sagittarius A*, in extreme detail.

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