For units in astronomy, see astronomical system of units. The astronomical unit (symbol au, AU or ua) is a unit of length, roughly the distance from the Earth to the Sun. However, that distance varies as the Earth orbits the Sun, from a maximum (aphelion) to a minimum (perihelion) and back again once a year.
senza. prep. 1. (Classical Music) music without; omitting. [Italian]. 1  Facebook.enza. prep. 1. (Classical Music) music without; omitting. [Italian]. 1  Facebook.
Origin. Senpai, sometimes spelled âsempaiâ, is a Japanese honorific term used when speaking to someone of an elevated social status in schools, dojos or sports clubs. The term is usually reserved for mentors, and does not apply to authority figures such as teachers or bosses.n September 2012, the Facebook fan page âI hope Senpai will notice meâ was created, gaining more than 200 fans as of September 2013. The phrase has continued to be popular on Tumblr, where the tags âI hope senpai notices meâ and the positive âsenpai noticed meâ are all active.