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What is a radio object?
Radio Objects with Continuous Optical Spectra, (abbr. ROCKS, also referred to as ROC OSes) is a group of about 80 astrophysical objects characterized by optical spectra anomalously devoid of emission or absorption features, which makes it impossible to determine their distances and locations in relation to our galaxy.
What is the source of a radio?
Radio source. Radio source, in astronomy, any of various objects in the universe that emit relatively large amounts of radio waves. Nearly all types of astronomical objects give off some radio radiation, but the strongest sources of such emissions include pulsars, certain nebulas, quasars, and radio galaxies.
What is the source of radio wave?
Radio waves can be generated by natural sources such as lightning or astronomical phenomena. Or by artificial sources such as broadcast radio towers, cell phones, satellites and radar.
What devices use radio frequency?
Several types of wireless devices make use of radio frequency fields like Cordless & Cell phones, radio & TV broadcast stations, satellite communication systems, Bluetooth module and Wi-Fi, and also two-way radios all work in the RF spectrum.
What is the name of a radio source that is very far from Earth?
Although quasars appear faint when viewed from Earth, they are visible from extreme distances, being the most luminous objects in the known universe. The brightest quasar in the sky is 3C 273 in the constellation of Virgo.
What do radio astronomers do?
Radio astronomy is the study of celestial objects that give off radio waves. With radio astronomy, we study astronomical phenomena that are often invisible or hidden in other portions of the electromagnetic spectrum.
What is radio astronomy used for?
Astronomers around the world use radio telescopes to observe the naturally occurring radio waves that come from stars, planets, galaxies, clouds of dust, and molecules of gas. Most of us are familiar with visible-light astronomy and what it reveals about these objects.
How does radio astronomy work?
A radio telescope is simply a telescope that is designed to receive radio waves from space. One or more antennas to collect the incoming radio waves. Most antennas are parabolic dishes that reflect the radio waves to a receiver, in the same way as a curved mirror can focus visible light to a point.
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