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The nebula M78 (also known as NGC 2068) is a reflection nebula in the Orion constellation. It was discovered by Pierre Méchain in 1780. M78 is the brightest diffuse reflection nebula in the sky. The nebula also belongs to the Orion Molecular Cloud Complex and is about 1,600 light years distant from Earth. In astronomy, an epoch is a moment in time for which celestial coordinates or orbital elements are specified. ...
Right ascension (RA; symbol α: Greek letter alpha) is the astronomical term for one of the two coordinates of a point on the celestial sphere when using the equatorial coordinate system. ...
In astronomy, declination (dec) is one of the two coordinates of the equatorial coordinate system, the other being either right ascension or hour angle. ...
A light year, abbreviated ly, is the distance light travels in one year: roughly 9. ...
The apparent magnitude (m) of a star, planet or other heavenly body is a measure of its apparent brightness; that is, the amount of light received from the object. ...
A minute of arc, arcminute, or MOA is a unit of angular measurement, equal to one sixtieth (1/60) of one degree. ...
Orion is a remarkable constellation, visible from most places on the globe (but not always the whole year long). ...
Orion, a constellation often referred to as The Hunter, is a prominent constellation, perhaps the best-known in the sky. ...
RADIUS (Remote Authentication Dial In User Service) is an AAA (authentication, authorization and accounting) protocol for applications such as network access or IP mobility. ...
In astronomy, absolute magnitude is the apparent magnitude, m, an object would have if it were at a standardized distance away. ...
In astronomy, reflection nebulae are clouds of dust which are simply reflecting the light of a nearby star or stars. ...
Orion, a constellation often referred to as The Hunter, is a prominent constellation, perhaps the best-known in the sky. ...
Pierre François André Méchain (August 16, 1744 – September 20, 1804) was a French astronomer. ...
1780 was a leap year starting on Saturday (see link for calendar). ...
A picture of Barnards Loop, which is a primary component of the nebula complex. ...
A light year, abbreviated ly, is the distance light travels in one year: roughly 9. ...
Earth, also known as Terra, and (mostly in the 19th century) Tellus, is the third-closest planet to the Sun. ...
M78 in science fiction
M78 is also the home of Ultraman and Nadia in Nadia: The Secret of Blue Water. Ultraman logo Ultraman (ウルトラマン - Urutoraman) is a fictional superhero featured in tokusatsu programs. ...
Nadia — the heroine of the series. ...
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