The apparent magnitude (m) of a celestial object is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere.
New!!: 9 Pegasi and Apparent magnitude ·
In modern astronomy, a constellation is a specific area of the celestial sphere as defined by the International Astronomical Union (IAU).
New!!: 9 Pegasi and Constellation ·
Pegasus is a constellation in the northern sky, named after the winged horse Pegasus in Greek mythology.
New!!: 9 Pegasi and Pegasus (constellation) ·
A star is a luminous sphere of plasma held together by its own gravity.
New!!: 9 Pegasi and Star ·