The state of being occult (“hidden, undetected”).
Used in a Sentence
occultations
Definitions, parts of speech, synonyms, and sentence examples for occultations.
Editorial note
Because angular speed of movement of asteroid on the sky is precisely known, observing a few occultations allows for precise measurement of it's diameter.
Examples16
Definitions3
Parts of speech1
Quick take
The state of being occult (“hidden, undetected”).
Meaning at a glance
The clearest senses and uses of occultations gathered in one view.
(astronomy) An astronomical event that occurs when one celestial object is hidden by another celestial object that passes between it and the observer when the nearer object appears larger and completely hides the more distant object.
(Shia Islam) The disappearance of the Twelfth Imam, or Mahdi, who is believed alive and present in this world, but hidden until his reappearance at the end of time.
Definitions
Core meanings and parts of speech for occultations.
noun
The state of being occult (“hidden, undetected”).
noun
(astronomy) An astronomical event that occurs when one celestial object is hidden by another celestial object that passes between it and the observer when the nearer object appears larger and completely hides the more distant object.
noun
(Shia Islam) The disappearance of the Twelfth Imam, or Mahdi, who is believed alive and present in this world, but hidden until his reappearance at the end of time.
Example sentences
Because angular speed of movement of asteroid on the sky is precisely known, observing a few occultations allows for precise measurement of it's diameter.
Is there anything special to learn about occultations like this or are they just curiosities like alignments?
Being a little off the ecliptic, so there were no transits or even occultations, would barely affect Doppler measurements.
An additional texture on the Y-Z plane costs you 3 additional tiles, or 5 with free-standing surfaces and arbitrary occultations.
You’re right - Satellite data like GPS occultations and aircraft derived data still make up most of the data by volume.
What about watching for occultations of the stellar background over time in the suspect area and using software to blink compare?
Knowing the ephemeris of satellites also allows observations to time short exposures to avoid occultations.
Why must the observations of other occultations be done before and not immediately after?
True, but occultations are also very biased towards planets with small semimajor axis, because the solid angle that produces an occultation goes roughly as 1/a.
Quaoar is located in the Kuiper belt, a region of frozen debris beyond Neptune that includes Pluto, and the rings were found through stellar occultations.
I believe confirmation is usually just a process of double-checking data and waiting to see a regular cycle of wobbles or occultations.
I wonder how frequent are (much longer) occultations of nearby stars with planet candidates.
Quote examples
I don't understand the definition of occultation in the article, if there are only "several" occultations of stars per month.
“Farmer” was the most popular and widespread occultations.
Proper noun examples
Occultations can tell you about the atmosphere of the object in front.
Occultations are one such case which I have familiarity with.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use occultations in a sentence?
Because angular speed of movement of asteroid on the sky is precisely known, observing a few occultations allows for precise measurement of it's diameter.
What does occultations mean?
The state of being occult (“hidden, undetected”).
What part of speech is occultations?
occultations is commonly used as noun.