Transit

Click on a transit link below to be taken to a page with images I captured of the event.

From Wikipedia, the free encyclopedia

The term transit or astronomical transit has three meanings in astronomy:

  • transit is the astronomical event that occurs when one celestial body appears to move across the face of another celestial body, hiding a small part of it, as seen by an observer at some particular vantage point. If the first celestial body hides a major part, or all of, the second celestial body, then it is an occultation rather than a transit.
  • transit occurs when a celestial body crosses the meridian due to the Earth’s rotation, about halfway between rising and setting. For instance, the Sun transits the meridian at solar noon. Observation of meridian transits was once very important for timekeeping purposes (see transit instrument).
  • The term star transit is used for the passage of a star through the eyepiece of a telescope. Precise observations of elevation or time are carried out to determine star positions or the local vertical (geographic latitude/longitude).
So when’s the next Transit?

The next Mercury Transit occurs on November 12, 2032. Note: This transit will not be visible from the U.S.

The next Venus Transit occurs on December 10, 2117.

Leave a Reply

Current amateur astronomy information such as points of interest and events in the night sky, star party dates, educational information, telescopes buying tips and much more.