How Will You Describe Quasars?
Quasars are astronomical objects of very high luminosity found in the centers of some galaxies and powered by gas spiraling at high velocity into…
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Luminosity
When Does Sheet Lightning Occur?
Sheet lightning usually occurs during a storm as the result of a discharge of excess electricity within a single thundercloud. The outline is obscured…
What Is a Bunsen Burner?
A Bunsen burner is a gas burner consisting of a tube with a small gas jet at the lower end and adjustable air inlet by means of which the he