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A radio telescope is a specialized antenna and radio receiver used to detect radio waves from astronomical radio sources in the sky. [ 1 ] [ 2 ] [ 3 ] Radio telescopes are the main observing instrument used in radio astronomy , which studies the radio frequency portion of the electromagnetic spectrum , just as optical telescopes are used to ...
These projects propose to detect gravitational waves by looking at the effect these waves have on the incoming signals from an array of 20–50 well-known millisecond pulsars. As a gravitational wave passing through the Earth contracts space in one direction and expands space in another, the times of arrival of pulsar signals from those ...
Space telescopes that collect particles, such as cosmic ray nuclei and/or electrons, as well as instruments that aim to detect gravitational waves, are also listed. Missions with specific targets within the Solar System (e.g., the Sun and its planets ), are excluded; see List of Solar System probes for these, and List of Earth observation ...
Chorus waves have also been spotted near other planets including Jupiter and Saturn. They can even produce high-energy electrons capable of scrambling satellite communications. “They are one of the strongest and most significant waves in space,” said study author Chengming Liu from Beihang University in an email.
An astronomical radio source is an object in outer space that emits strong radio waves. Radio emission comes from a wide variety of sources. Radio emission comes from a wide variety of sources. Such objects are among the most extreme and energetic physical processes in the universe .
A new type of stellar object has been discovered releasing energetic bursts of radio waves every 22 minutes. An unusual object has been releasing pulses of radio waves in space for decades ...
Window of radio waves observable from Earth, on rough plot of Earth's atmospheric absorption and scattering (or opacity) of various wavelengths of electromagnetic radiation. Radio astronomers use different techniques to observe objects in the radio spectrum. Instruments may simply be pointed at an energetic radio source to analyze its emission.
The Antarctic Impulse Transient Antenna (ANITA) is a balloon-borne device flying over Antarctica and detecting Askaryan radiation, produced as cosmic ultra-high-energy neutrinos travel through the ice below and produce a shower of secondary charged particles, which emits a cone of coherent radiation in the radio or microwave part of the ...
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