Am I a nine giga-angstrom(109A)waist or a ten? aw I a Mine Lhiga-angstrom 0 The use of non-SI units is particularly popular with astronomers many of whom are in love with the angstromThe use of non-SI units is particularly popular with astronomers, many of whom are in love with the angstrom . Am I a nine giga-angstrom (109 ) waist or a ten?  A