Times, Sunday Times (2010) His caustic comments make wonderful copy, of course. Times, Sunday Times (2009) But over ten years, audiences have become less able to accept her caustic humour. The Sun (2010) Doctors feared she would die from horrific injuries caused by the 98 per cent strength caustic soda.
Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines.
1 Parallax-The parallax of a star is the angle subtended at the star by the radius of the Earth's orbit (Figure 02). 2  Distance to the star can be computed by the formula: 3  d = 206265/p. 4  where the distance d is in unit of a.u., and the parallax p in second of arc.