13 June : First object to leave the solar system

Before we discuss this object, let’s see some pics.           These pictures have been clicked by Pioneer 10. Why is it so important ? Because it is credited with being the first object that could achieve the escape velocity from the solar system. Pioneer 10 is an American space probe, launched in 1972. It weighed 258 kilograms. Between July 15, 1972, and February 15, 1973, it became the first spacecraft to traverse the asteroid belt. It completed the first mission to the Planet Jupiter. Pioneer 10 crossed the orbit of Saturn in 1976. It crossed the … Continue reading 13 June : First object to leave the solar system