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All Words Glossary

Glossary of Astronomy Terms
beginning with letter Z
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Z Tweet Definition of Z Like Definition of Z on Facebook
noun
  1. The twenty-sixth and last letter of the Appendix:Roman script, English alphabet, preceded by Y.
zenith Tweet Definition of zenith Like Definition of zenith on Facebook
noun
  1. (astronomy)
    • The point in the celestial sphere opposite the nadir.
    • The point in the sky vertically above a given position or observer.
    • The highest point in the sky reached by a celestial body.
      1. Highest point or state; peak.
zodiacal light Tweet Definition of zodiacal light Like Definition of zodiacal light on Facebook
noun
  1. (astronomy) soft glow of white light extending upward from the horizon along the ecliptic, particularly in the tropics.

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