Radioastronomy Articles

Radio astronomy has changed the way we view the Universe, and our knowledge of it has dramatically increased. Current optical astronomy is useful for observing objects that emit a lot of visible light, such as stars and galaxies. But individual stars are typically just low radio wave emitters. We only detect radio waves from our Sun because it is so close though when a solar storm erupts its radio emissions can play havoc with radio communications on Earth.Radio astronomy detected lots of new object types. These include pulsars, fast-spinning neutron stars that collapse cores of massive stars that have run out of fuel. Radio astronomy is carried out using large radio antennas called radio telescopes that are either used individually or with multiple connected telescopes using radio interferometry and aperture synthesis techniques. The use of interferometry enables radio astronomy to achieve high angular resolution, as an interferometer's solving power is determined by the distance between its components rather than by the size of its components.

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