Occultations of Regulus happen in cycles of roughly nine years, and each cycle lasts about 18 months. The current cycle began last year on Dec. 18 and will come to an end on April 24, 2018.
What is called occultation?
Definition of occultation 1 : the state of being hidden from view or lost to notice. 2 : the interruption of the light from a celestial body or of the signals from a spacecraft by the intervention of a celestial body especially : an eclipse of a star or planet by the moon.
What is a moon occultation?
A lunar occultation is when the Moon appears to move in front of another object in the sky like a star, a planet or an asteroid. Advertisement. Since the Moon is close to us, we see it move relatively fast, even against other planets in the Solar System.
What is the Moon’s motion?
The Motion of the Moon. The Moon moves around the Earth in an approximately circular orbit, going once around us in approximately 27.3 days, or one sidereal period of revolution. As it does this its position changes, relative to the stars.
Can Jupiter ever occult Saturn?
Jupiter rarely occults Saturn. This is one of the rarest events known, with the next occurrence on February 10, 7541. This event is visible worldwide since the duo would be positioned almost in opposition to the sun, in the border line between the constellations of Orion and Taurus.
What is the moon’s motion?
What is an occultation in astronomy?
occultation, complete obscuration of the light of an astronomical body, most commonly a star, by another astronomical body, such as a planet or a satellite. Hence, a total solar eclipse is the occultation of the Sun by the Moon.
Is eclipse an occultation?
Example: a solar eclipse is an occultation : the Moon masks all or part of the solar disk (without, of course, any modification of the Sun itself) . This phenomenon is related to the observer: changing position on the surface of the Earth, the phenomenon may disappear and no longer be visible.
What is orbital motion of the moon?
Answer: The Motion of the Moon. The Moon moves around the Earth in an approximately circular orbit, going once around us in approximately 27.3 days, or one sidereal period of revolution. As it does this its position changes, relative to the stars.
