Today, a satellite was involved in your life. Whether you checked a weather report, watched SportsCenter or looked for your mom’s house on Google Maps, you did something that would have been impossible without an automated spacecraft orbiting hundreds of miles above your head. But how many of these satellites do you know by name? Here are the top ten you need to know, because they make modern life possible.

Hubble space technologies

Launched: 1990

Opening our eyes to the wonders of our ‘planetary’, Hubble brought the beauty and mystery of space by the photos. It has rich modern astronomy by being an efficient tool for new discoveries. Objective to visible the universe and to look the entire space with cameras.

HST is one of the greatest scientific projects having 2.4 m-diameter space telescope optimised to observe from the ultraviolet to the infrared, collaborated between ESA and NASA. Hubble was deployed by the Space Shuttle Discovery (STS-31) into a circular orbit 575 km above the ground, inclined at 28.5° to the equator. The time taken for one orbit is between 96 and 97 minutes. Hubble have received some new science instruments on1997. Hubble has resumed its scientific observations, with expanded science capabilities and an extended life.

GPS IIR-1

Launched: 1997

Without this there won’t be the Geocaching! The U.S. government’s NAVSTAR program brought global positioning abilities first to the military, then to the general public. It takes a constellation of these things for the system to work the IIR-1 is the one among them. The GPS satellite and payload shroud survived intact until impacting the ground .The GPS satellite took charge, covered and handled perfect until impacting the ground.