• Term Part of Speech Definition Encyclopedic Entry
    astrophysicist Noun

    person who studies the relationship between matter, energy, motion, and force outside the Earth's atmosphere.

    coronal mass ejection Noun

    huge burst of solar wind and other charged particles.

    gamma radiation Noun

    very high-frequency electromagnetic radiation.

    magnetism Noun

    force by which objects attract or repel one another.

    Encyclopedic Entry: magnetism
    magnetosphere Noun

    magnetic field surrounding a planet.

    solar flare Noun

    explosion in the sun's atmosphere, which releases a burst of energy and charged particles into the solar system.

    sun Noun

    star at the center of our solar system.

    X-ray Noun

    radiation in the electromagnetic spectrum with a very short wavelength and very high energy.

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