​4 most expensive and innovative space missions launched in the past​

Space explorations go far beyond anything that any of us has imagined. But it also comes with a staggering price that costs billions of dollars. From deep explorations into the Earth’s orbit to massive orbital laboratories, nations have put in their 100% and all resources to reach to the stars and beyond!

Here are four such costly missions ever launched! (nasa.gov, BBC science)

Project Apollo’s goals went far beyond what anybody could have ever imagined! Apollo was a three-part spacecraft that consisted of the command module (CM), the crew’s quarters and flight control section, the service module (SM). This mission was born out of the Cold War and the US president John F. Kennedy’s promise to land a man on the moon. As per a BBC report, its reported cost is estimated at around $25 billion.

This is considered one of the most iconic projects between NASA and the European Space Agency (ESA). It was designed to observe the universe from Earth’s low orbit. It has made over 1.5 million observations and has been quoted in several research papers and educational material. It was the successor of the James Webb Telescope, and is known to capture clear pictures of the Earth and other cosmic objects.

This was NASA’s reusable spacecraft that started back in 1981, and went through its final landing in 2011. This program completed over 135 missions and was used to carry astronauts to and fro from Earth’s orbit.

This is considered one of the most iconic projects between NASA and the European Space Agency (ESA). It was designed to observe the universe from Earth’s low orbit. It has made over 1.5 million observations and has been quoted in several research papers and educational material. It was the successor of the James Webb Telescope, and is known to capture clear pictures of the Earth and other cosmic objects.