_______ country’s space probe entered Mars orbit on February 10, becoming the world’s second one in two days ?

a) US
b) China
c) Japan
d) Russia

China’s spacecraft ‘Tianwen-1’ entered Mars orbit on February 10, 2021, becoming the world’s second one in two days after the United Arab Emirates. The Chinese mission to Mars comprises an orbiter and a rover and it is aimed at collecting data on underground water and possible signs of ancient life.