Solid angle corresponds to one unit of area on the unit sphere surrounding the apex, so an object that blocks all rays from the apex would cover a number of steradians equal to the total surface area of the unit sphere, formula_1. Solid angles can also be measured in squares of angular measures such as degrees, minutes, and seconds. A small object nearby may subtend the same solid angle as a larger object farther away. For example, although the Moon is much smaller than the Sun, it is also much closer to Earth. Indeed, as viewed from any point on Earth, both
The Three Degrees Live The Three Degrees Live The Three Degrees Live is a 1976 live album by Philadelphia-based female vocal trio The Three Degrees who scored major international success with 'When Will I See You Again?'. The album charted at #34 in the US R&B Album chart and at #199 in the Billboard Top 200. During a UK tour in 1975, The Three Degrees performed at Bailey's in Leicester, England, and the evening's concert was recorded and subsequently released by Philadelphia International Records as "The Three Degrees Live". The setlist for the concert was typical of what the group was doing at that