Changes

==Properties and structure==

==Properties and structure==

Located 177 [[light year]]s from [[Earth]], Alphard has an [[apparent magnitude]] of +2.0, making it the brightest star in the constellation of [[Hydra]].<ref name=constellation-guide/> It has a [[Stellar Classifications|stellar classification]] of K3 II-III, placing it halfway between an orange [[giant star]] and a [[bright giant star]]. It is thought to have a mass of 3 [[solar mass]es. The star's angular diameter has been measured to be 9.09±0.09 milliarcseconds, corresponding to a radius 50 times larger than that of the [[Sun]].<ref name=revolvy>

Located 177 [[light year]]s from [[Earth]], Alphard has an [[apparent magnitude]] of +2.0, making it the brightest star in the constellation of [[Hydra]].<ref name=constellation-guide/> It has a [[Stellar Classifications|stellar classification]] of K3 II-III, placing it halfway between an orange [[giant star]] and a [[bright giant star]]. It is thought to have a mass of 3 [[solar mass]]es. The star's angular diameter has been measured to be 9.09±0.09 milliarcseconds, corresponding to a radius 50 times larger than that of the [[Sun]].<ref name=revolvy>

{{cite web

{{cite web

|url=https://www.revolvy.com/page/Alphard

|url=https://www.revolvy.com/page/Alphard