This photo provided by the China National Space Administration captures an image of the Earth (near) and Moon (far), about 1.2 million km from Earth. (PHOTO / XINHUA)

BEIJING - China's Mars probe, Tianwen-1, captured an image of the Earth and Moon, about 1.2 million km from Earth, the China National Space Administration said on Tuesday.

China launched its first Mars mission Tianwen-1, which means Questions to Heaven, on July 23, marking the country's first step in planetary exploration of the solar system.

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Tianwen-1 took a photo of the Earth and Moon with an optical navigation sensor on Monday. In the black-and-white picture, the Earth and the Moon, one large and one small, were both crescent-shaped, watching each other in the vast universe.

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According to the CNSA, the probe has escaped the earth's gravity and entered the Earth-Mars transfer orbit, travelling more than 1.5 million km away from the Earth.

The probe was in good condition, said the CNSA.