The Voice Of Our Earth ( HD, 3 D)
Our Universe Is Not Silent Although space is a vacuum, that does not mean there is no sound in it. Sound does exist in space. . in the form of electromagnetic vibrations. Nearly all types of astronomical objects give off some radio radiation. The strongest sources of such emissions are the pulsars, certain nebula s, quasars, radio galaxies etc. . These radio waves can be captured by the specially designed instrument known as astronomical interferometer. This device can convert the radio waves into the frequency within the range of human hearing (20 20, 000 Hz). Voyager and HawkEye are among many probes which record space sounds. Can we hear sounds on other planets, moons with any type of atmosphere Yes, we can. Since any kind of matter can transmit sound waves, we can hear sound on Mars, Titan, Venus or any place with an atmosphere. Interesting Facts about Earth: Earth is the third planet from the Sun. Earth is about 4. 54 billion years old. There is only one natural satellite of the planet Earth the
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