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.

  1. Space

    Waves from the birth of time

    Inflation is the idea that in the split-second after the Big Bang, the universe exploded into huge-ness. Although the hypothesis is 30 years old, evidence to confirm it had been lacking. Until now.

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  2. Space

    Galaxy drags trail of newborn stars

    Distant galaxy plows through cluster of others, with baby stars in tow

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  3. Space

    Star cluster rockets through space

    It’s the first time astronomers have ever detected a cluster of stars moving collectively at such speed.

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  4. Animals

    We are stardust

    Everything making up Earth and what’s now living upon it — from trees and people to our pets and their fleas — owes their origins to the elements forged by ancient stars.

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  5. Planets

    A shock to the solar system

    Scientists suspect a nearby exploding star ignited the formation of the sun and planets.

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  6. Planets

    Double sunsets on a distant world

    Astronomers discover for the first time a planet circling two stars.

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  7. Space

    The dark side of the universe

    Most of the cosmos is invisible, but that doesn’t stop scientists from searching for it.

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  8. Space

    A curious cosmic explosion

    A bright blowup far, far away keeps astronomers guessing.

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  9. Space

    Black hole journey

    Research on weird, invisible objects called black holes might help explain how the universe began.

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  10. Space

    Baby star

    Astronomers have observed the earliest twinkles ever picked up from a newborn star.

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  11. Planets

    A very distant planet says “cheese”

    A small red spot may be the first picture ever taken of a planet outside the solar system.

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  12. Space

    Searching for alien life

    A robot rover practices looking for alien life by trekking across the world's driest desert.

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