Scientists have revealed an incredibly detailed image of the moon’s surface showing objects as small as five meters in diameter, captured with reflected radar signals.

The image, released by the US’s National Radio Astronomy Observatory, shows the landing site of NASA‘s Apollo 15 mission in 1971 and the surrounding grooves and jagged craters. 

To obtain the image, researchers used satellites that shoot a powerful radar signal towards the moon, then reflected back to a system of 10 radio telescopes in North America, called the Very Long Baseline Array.  

The final result marks a successful preliminary test of the highly complex radio telescope system.  

Now, scientists want to develop it further to capture more detailed images from much deeper into our Solar System, including the surfaces of Neptune and Uranus. 

New radar image of the Apollo 15 landing site, located with respect to prominent lunar features. Apollo 15 landed at Hadley–Apennine, a region on the near side of the moon, on July 30, 1971

New radar image of the Apollo 15 landing site, located with respect to prominent lunar features. Apollo 15 landed at Hadley–Apennine, a region on the near side of the moon, on July 30, 1971

New radar image of the Apollo 15 landing site, located with respect to prominent lunar features. Apollo 15 landed at Hadley–Apennine, a region on the near side of the moon, on July 30, 1971

‘The planned system will be a leap forward in radar science, allowing access to never-before-seen features of the solar system from right here on Earth,’ said Karen O’Neil, site director of the Green Bank Observatory in West Virginia. 

The project combines the efforts of the National Science Foundation’s Green Bank Observatory (GBO), National Radio Astronomy Observatory (NRAO) and Raytheon Intelligence & Space 

GBO’s Green Bank Telescope (GBT) in West Virginia – the world’s largest fully steerable radio telescope – was outfitted with a new transmitter developed by Raytheon Intelligence & Space, allowing it to transmit the radar signal into space. 

The NRAO’s continent-wide Very Long Baseline Array (VLBA) received the signal once reflected from the lunar surface and produced the image.  

The image was captured in November last year but has only just been released by the National Radio Astronomy Observatory. 

GBT-VLBA radar image of the region where Apollo 15 landed in 1971. The snake-like feature is Hadley Rille, a remnant of ancient volcanic activity, probably a collapsed lava tube

GBT-VLBA radar image of the region where Apollo 15 landed in 1971. The snake-like feature is Hadley Rille, a remnant of ancient volcanic activity, probably a collapsed lava tube

GBT-VLBA radar image of the region where Apollo 15 landed in 1971. The snake-like feature is Hadley Rille, a remnant of ancient volcanic activity, probably a collapsed lava tube

The new image shows the Apollo 15 landing site right next to a snake-like indentation called Hadley Rille, a remnant of ancient volcanic activity, probably a collapsed lava tube.

The crater at top, alongside the rille, is called Hadley C and is about 3.7 miles (6 kilometres) in diameter. 

Apollo 15 landed at Hadley-Apennine, a region on the near side of the lunar surface, on July 30, 1971.

It was the ninth crewed mission in NASA’s Apollo program and the fourth to land on the moon.   

The Green Bank Telescope in West Virginia, the world's largest fully-steerable radio telescope. This telescope is being equipped with a new planetary radar transmitter for studying objects in the Solar System.

The Green Bank Telescope in West Virginia, the world's largest fully-steerable radio telescope. This telescope is being equipped with a new planetary radar transmitter for studying objects in the Solar System.

The Green Bank Telescope in West Virginia, the world’s largest fully-steerable radio telescope. This telescope is being equipped with a new planetary radar transmitter for studying objects in the Solar System.

Antenna locations of the continent-wide Very Long Baseline Array. These antennas serve as the receiving sites for the reflected radar signal from the Green Bank Telescope

Antenna locations of the continent-wide Very Long Baseline Array. These antennas serve as the receiving sites for the reflected radar signal from the Green Bank Telescope

Antenna locations of the continent-wide Very Long Baseline Array. These antennas serve as the receiving sites for the reflected radar signal from the Green Bank Telescope

Using the information collected with this latest test, scientists will finalise a plan to develop a 500-kilowatt, high-power radar system that can image objects in the Solar System ‘with unprecedented detail and sensitivity’. 

This will allow astronomers to use radar signals as far away as the orbits of Uranus and Neptune – the two outermost planets in our Solar System, residing around 1.6 billion and 2.7 billion miles away from our home planet, respectively.

‘The proof-of-concept test, culminating a two-year effort, paves the way for designing a more powerful transmitter for the telescope,’ NRAO said in a statement.

‘More power will allow enhanced detection and imaging of small objects passing by the Earth, moons orbiting around other planets and other debris in the Solar System.’

WHAT WAS THE APOLLO PROGRAM?

NASA photo taken on July 16, 1969 shows the huge, 363-foot tall Apollo 11 Spacecraft 107/Lunar Module S/Saturn 506) space vehicle launched from Pad A, Launch Complex 39. Kennedy Space Center (KSC), at 9:32 a.m. (EDT).

NASA photo taken on July 16, 1969 shows the huge, 363-foot tall Apollo 11 Spacecraft 107/Lunar Module S/Saturn 506) space vehicle launched from Pad A, Launch Complex 39. Kennedy Space Center (KSC), at 9:32 a.m. (EDT).

NASA photo taken on July 16, 1969 shows the huge, 363-foot tall Apollo 11 Spacecraft 107/Lunar Module S/Saturn 506) space vehicle launched from Pad A, Launch Complex 39. Kennedy Space Center (KSC), at 9:32 a.m. (EDT).

Apollo was the NASA programme that launched in 1961 and got the first man on the moon eight years later.

The first four flights tested the equipment for the Apollo Program and six of the other seven flights managed to land on the moon.

The first manned mission to the moon was Apollo 8 which circled around it on Christmas Eve in 1968 but did not land.

The crew of Apollo 9 spent ten days orbiting Earth and completed the first manned flight of the lunar module – the section of the Apollo rocket that would later land Neil Armstrong on the Moon.  

The Apollo 11 mission was the first one to land on the moon on 20 July 1969.

The capsule landed on the Sea of Tranquillity, carrying mission commander Neil Armstrong and pilot Buzz Aldrin.

Armstrong and Aldrin walked on the lunar surface while Michael Collins remained in orbit around the moon. 

When Armstrong became the first person to walk on the moon, he said, ‘That’s one small step for (a) man; one giant leap for mankind.’

Apollo 12 landed later that year on 19 November on the Ocean of Storms, writes NASA.  

Apollo 13 was to be the third mission to land on the moon, but just under 56 hours into flight, an oxygen tank explosion forced the crew to cancel the lunar landing and move into the Aquarius lunar module to return back to Earth.  

Apollo 15 was the ninth manned lunar mission in the Apollo space program, and considered at the time the most successful manned space flight up to that moment because of its long duration and greater emphasis on scientific exploration than had been possible on previous missions. 

The last Apollo moon landing happened in 1972 after a total of 12 astronauts had touched down on the lunar surface.

Astronaut Edwin 'Buzz' Aldrin unpacking experiments from the Lunar Module on the moon during the Apollo 11 mission. Photographed by Neil Armstrong, 20 July 1969

Astronaut Edwin 'Buzz' Aldrin unpacking experiments from the Lunar Module on the moon during the Apollo 11 mission. Photographed by Neil Armstrong, 20 July 1969

Astronaut Edwin ‘Buzz’ Aldrin unpacking experiments from the Lunar Module on the moon during the Apollo 11 mission. Photographed by Neil Armstrong, 20 July 1969

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This post first appeared on Dailymail.co.uk

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