Both combinations produce type la blasts like the Tycho supernova (shown), stellar explosions that act as "standard candles" for gauging astronomical distances
There are astronomical distances
to be covered before any final legal solution of the matter is achieved; if possible at all.
Their brightness is so consistently intense that supernovae have been used as "standard candles" or gauges, acting as yardsticks indicating astronomical distances
All Type Ia supernovae have the same characteristic luminosity which makes them ideal for measuring astronomical distances
After a foreward by popular author Timothy Ferris, the text begins with a general discussion of astronomical distances
and astrophysical sources, and also touches on catalogs and coordinate systems.