sentence: Most meteors are only tiny specks of dust.
sentences_before: Meteors are lumps of rock which are floating about in space. They normally burn up in the atmosphere. A few very large ones that hit the earth are called 'meteorites'.
sentences_after: As they enter the atmosphere they rip off electrons. This produces an ionized trail. This trail can reflect radio waves in the same way that a wire would.
concept_name: meteor
headings: Meteor burst communication
categories: Radio Meteorites