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ASTRO 1 EXAM Q&A 2026 STUDY GUIDE GRADED A+

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ASTRO 1 EXAM Q&A 2026 STUDY GUIDE GRADED A+

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ASTRO 1
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ASTRO 1








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ASTRO 1
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ASTRO 1

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October 30, 2025
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Written in
2025/2026
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ASTRO 1 EXAM Q&A 2026 STUDY GUIDE
GRADED A+


◉parsec . Answer: distance of an object whose parallax is 1 arcsec


◉apparent magnitude of a star . Answer: logarithm of the flux received
from the star


◉declination . Answer: angular distance to the celestial equator


◉right ascension . Answer: angular distance from the vernal point
measured along the equator


◉circumpolar . Answer: never rises and never sets, its declination is
high


◉ecliptic . Answer: Sun's trajectory on the sky during one year


◉millimeter waves . Answer: radiation between radio waves and
infrared waves in the electromagnetic spectrum

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