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

    The pebbled path to planets

    Small pebbles zipping through a sea of gas may give rise to mighty planets.

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  2. Planets

    Scientists discover likely source of the moon’s faint yellow tail

    These sodium atoms are part of the debris kicked up from the moon’s surface, mostly by micrometeorites, two new studies conclude.

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  3. Planets

    Signs of a hidden Planet Nine in our solar system may be an illusion

    Hints of the remote planet, also called Planet X, relied on clumped up orbits of bodies beyond Neptune. A new study suggests that clumping doesn’t exist.

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  4. Space

    Let’s learn about the moon

    The moon is Earth’s nearest neighbor, and its gravity helps stabilize the planet’s climate and creates the tides.

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  5. Space

    Scientists Say: Planet

    Planets have to orbit a star, be big enough to form a sphere and keep other objects out of their path around their star.

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  6. Chemistry

    Extreme pressure? Diamonds can take it

    Diamond retains its structure even at extreme pressures, which could reveal how carbon behaves in the cores of some exoplanets.

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  7. Space

    Exploding neutron star proves to be energy standout of the cosmos

    This is what scientists had suspected. But until one showed up outside our galaxy, they couldn’t be sure. Now they are.

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  8. Space

    Our feverish universe is getting hotter every day

    For the first time, astronomers have taken the temperature of the cosmos at different times in its history. Galaxy clusters are cranking up the heat.

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  9. Space

    Rogue planets wander the galaxy all alone

    Some planets don’t orbit stars. They were kicked into space long ago. The newest, smallest one found is only about as massive as Earth.

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