How to catch defunct satellites and other space junk and bring them back to Earth

More than half of the thousands of satellites in orbit now no longer exist, and this accumulation of floating space debris has been described as “fatal problem“For current and future space missions and human space travel.

European Space Agency, CC BY-ND

An estimated 130 million objects smaller than 1 cm and 34,000 objects larger than 10 cm travel in orbit at thousands of kilometers per hour, according to the European Space Agency (ESA).ESA). Report submitted this year European conference on space debris It indicates that the amount of space junk could increase fifty-fold by the year 2100.