There are various objects that can be responsible for radio emissions in space. These objects are referred to as astronomical radio sources.
gravity
some tools in space are RADAR, is a system for locating unseen objects the reflections of frequency radio waves. Another tool for space is the hubble space telescope (HST). Another space tool is a space suit so you can breate oxygen if you are outside the space shuttle.
radio telescopes
The space rock is the celestial space object that a meteoroid comes from.
Postive space
There are various objects that can be responsible for radio emissions in space. These objects are referred to as astronomical radio sources.
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A radio telescope.
Radio Telescope
A radio telescope
sattelites
radar
Radio telescope, usually a microwave dish with a movable parabolic reflector.
Radio telescope, usually a microwave dish with a movable parabolic reflector.
All stars and stellar remnants.
A radio telescope has two basic components, a large radio antenna and a radio receiver. It is used to detect radio-frequency radiation emitted by objects in space.
Most stars and many other objects in space emit radio and microwave radiation. Even the big bag emitted electromagnetic radiation.