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.
Loading the player... The net debt to earnings before interest depreciation and amortization (EBITDA) ratio is a measurement of leverage, calculated as a company's interest-bearing liabilities minus cash or cash equivalents, divided by its EBITDA.