What is the definition of apparent magnitude?
Q: What is the definition of apparent magnitude?
A: Apparent magnitude is a number that measures the brightness of a celestial object as seen by an observer on Earth.
Q: How is the brightness of an object related to its magnitude value?
A: The brighter an object appears, the lower its magnitude value.
Q: Which celestial object has the brightest apparent magnitude in the sky?
A: The Sun has the brightest apparent magnitude of −27 in the sky.
Q: What is the unit of measurement for magnitude?
A: Magnitude is a logarithmic measure that is usually measured in a specific wavelength or passband, usually in optical or near-infrared wavelengths.
Q: What is the apparent magnitude of a full moon?
A: The apparent magnitude of a full moon is −13.
Q: Which planet has the brightest magnitude value?
A: Venus has the brightest magnitude value with a measurement of −5.
Q: What are the magnitude values of Iridium flares and the International Space Station as viewed from Earth?
A: The brightest man-made objects, Iridium flares, have a magnitude of −9 and the International Space Station has a magnitude of −6.
