Astronomy is a natural science. It is the study of everything outside the atmosphere of Earth. It studies celestial objects (such as stars, galaxies, planets, moons, asteroids, comets and nebulae) and processes (such as supernovae explosions, gamma ray bursts, and cosmic microwave background radiation).
Definition. EBITDA Margin (TTM) is trailing twelve month earnings before interest, taxes, depreciation and amortization divided by trailing twelve month net sales. EBITDA Margin (Quarterly) is the specified Quarter earnings before interest, taxes, depreciation and amortization divided by Quarter sales.
This excerpt taken from the CLRT 8-K filed Feb 5, 2009. âAdjusted EBITDAâ is defined by the Company as income or loss from continuing operations before (i) interest expense, (ii) tax expense, (iii) depreciation and amortization expense and (iv) stock-based compensation expense.