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

    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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  2. 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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  3. Planets

    Saturn’s moon Enceladus wears a thick blanket of snow

    Pits on the frosty moon reveal the snow’s surprising depth, up to 700 meters (2,300 feet) in some places.

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  4. Planets

    The dwarf planet Quaoar hosts an impossible ring

    Quaoar’s ring lies outside the Roche limit. That’s an imaginary line beyond which rings aren’t thought to be stable.

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  5. Physics

    Let’s learn about the quantum realm 

    On the smallest scales, the universe behaves in some pretty strange ways.

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  6. Space

    NASA is readying to send humans back to the moon

    The launch of NASA's Artemis I is a huge step toward sending humans back to the moon and beyond.

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  7. Planets

    Mars might still be volcanically active, quakes there suggest

    Seismic rumblings picked up by NASA’s InSight lander hint at molten rock moving deep below the planet’s fractured surface.

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  8. 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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  9. Planets

    Check out the first direct look at Neptune’s rings since the ’80s

    The Voyager 2 spacecraft took the first pics of Neptune’s rings 33 years ago. Now, NASA’s James Webb telescope is providing a more detailed view of them.

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