CTOnews.com, February 14 (Xinhua) the moon is not that far away from Earth if you take into account the distance between the Earth and other planets. But there is still a huge challenge to take a high-resolution picture of the moon on the ground.
A team of researchers recently created a prototype radar system that successfully captured the highest resolution images of the moon from Earth, according to foreign science and technology media greenbankobservatory. The technology could pave the way for new observation systems on Earth and assist astronomers in the study of planets, moons and asteroids in the solar system.
The team used the National Science Foundation's Green Bank Telescope (GBT) and Ultra-long baseline Array (VLBA) to create a "high-power, next-generation planetary radar system" for Green Bank telescopes.
A prototype of the system has been put into use to generate "some of the highest resolution planetary radar images captured from Earth". CTOnews.com learned that the prototype uses a low-power radar transmitter with an output power of up to 700W at 13.9GHz.
The 25-meter VLBA antenna of the National Radio Observatory receives radar echoes and uses this technique to capture images of the lunar Tycho crater at a resolution of 5 meters. Researchers were able to photograph asteroids 2.1 million kilometers from Earth, more than five times the distance from Earth to the moon.
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