• NASA is upgrading its Orion spacecraft, a deep-space capsule which may one day take men all the way to Mars, with a new silver heat shield. The metallic-based coating will protect Orion from “the harshest set of conditions yet” during its next mission.

• The spacecraft is set to go back to space for more than three weeks in 2018. This would be Orion’s second mission since 2014, when it successfully completed a historic four-and-a-half-hour-long, double-orbit journey. In its next return-trip to Earth, scheduled to come after a three-week space mission, Orion is expected to encounter hotter and faster conditions than on its last flight.

• This new silver, metallic-based thermal control coating will be crucial for future astronauts, who take Orion to return to Earth from deep space destinations. Its main purpose is to retain heat when Orion is heading to space and going through cold temperatures, and protect it from high temperatures when the spacecraft is exposed to the sun 

• The thermal control coating will help the back shell maintain a temperature between -150 and 550 degrees Fahrenheit (-101 and 287 degrees Centigrade).
  
  
  

Keywords-Orion spacecraft, a deep-space capsule ,Main purpose is to retain heat when Orion is heading to space and going through cold temperatures,

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