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Stars and Earth

Stars and Other Stars - View from Earth

QuestionAnswer
Regions divided in the sky that help with navigation. They are considered the maps of the sky. Constellations
used to detect different ranges of wavelengths that objects in space emit. Electromagnetic Spectrum
spreads light into different wavelengths and is used to see a star’s spectrum. Spectroscope
The range of wavelengths that a star emits; the energy/composition/ brightness of a star Spectrum
is the distance light travels in 1 year of time. Light Year
is a measure of how bright the star appears from Earth. Apparent magnitude
measures the stars luminosity, or its actual brightness. Absolute magnitude
a large ball of gas held together by gravity with a core so hot that nuclear fusion occurs. Star
where hot gas moves up towards the surface and cooler gas moves deeper into the interior. Light energy here moves quickly upward in the convection zone. Convection zone
a shell of cooler hydrogen above a star’s core. Radiative zone
the apparent surface of a star. Photosphere
is the orange-red layer above the Photosphere. Chromosphere
the wide, outermost layer of a star’s atmosphere. Corona
regions of strong magnetic activity and are cooler than the rest of the photosphere so they appear as dark splotches on the Sun. Sunspots
are clouds of gas that make loops and jets extending into the corona and they begin at or just above the photosphere Prominences and Flares
huge bubbles of gas ejected from the corona. These are much larger than flares. Material from CMEs can reach the Earth and cause radio blackouts or damage orbiting satellites. Coronal Mass Ejections (CMEs)
charged particles that continually stream away from the Sun. This passes through Earth and extends to the end of the Solar System. Earth’s magnetic field protects us, but the interaction of solar wind with our magnetic fields is what causes the Northern L The Solar Wind
Created by: Juliana13
Popular Earth Science sets

 



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