NUMS-8th Grade Science Stars and Galaxies – Flashcards
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ursamajor
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The Big Dipper is part of this constellation.
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apparent magnitude
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The amount of starlight received on Earth.
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yellow
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Our sun is a star of this color.
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absolute magnitude
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The actual amount of light that a star gives off.
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polaris
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Another name for the North Star.
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constellations
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Groups of stars that form patterns.
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ursaminor
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The North Star is in this constellation.
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parallax
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Apparent shift in position of an object when viewed from two different places.
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red
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Relatively cool stars look either orange or this color.
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sirius
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The brightest star in the sky.
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spectra
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Astronomers study these to learn about the properties of stars.
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orion
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This constellation, named after a mythical hunter, includes the star Betelgeuse.
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rigel
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Even though this star has an absolute magnitude greater than that of Sirius, it looks dimmer from Earth since it's 100 times farther away.
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Classify sun
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Bright ball of fire.
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How is the energy of the sun produced
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Heileum turns into hygrogen
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How do CME's affect Earth
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They damage Earth's satilites in orbit.
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CME's
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Coronal mass ejections.
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sunspots
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Dark areas cooler than their surroundings.
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prominces
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Huge, arching gas columns.
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solar flares
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Violent eruptions near a sunspot .
