WordNet-Online
Free dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
Hint: double-click any word to get it searched!

Google
 

retrograde motion

 

Definitions from the Web

Retrograde Motion

Description:

Retrograde motion refers to the apparent backward movement of a celestial object in relation to the other stars or planets in its orbit. This phenomenon occurs when a faster-moving object passes by a slower-moving one, making it temporarily appear as if it is moving backward.

Sample sentences:

  • During certain times of the year, Mars exhibits retrograde motion, causing it to appear to move in the opposite direction across the night sky.
  • Astronomers have studied retrograde motion extensively to understand the complex orbital dynamics of the planets.
  • Mercury periodically undergoes retrograde motion, leading to delays and miscommunications according to astrological beliefs.

Related products:

retroflexed retroflexion retrofrit retrogade retrogade retrogradation retrograde retrograde amnesia retrograde motion retrogrades retrogress retrogression retrogressive retromandibular vein retroperitoneal retrophyllum retrorocket

Sponsored (shop thru our affiliate link to help maintain this site):

WordNet-Online
Home | Free dictionary software | Copyright notice | Contact us | Network & desktop search | Search My Network | LAN Find | Reminder software | Software downloads | WordNet dictionary | Automotive thesaurus