Herschel Space Observatory

Q.  Which of the following statements is/are correct about Herschel Space Observatory?

1. It is jointly operated by ESA and NASA.
2. Helium is required to cool the instruments on Herschele space telescope.
- Published on 14 Dec 15

a. Only 1
b. Only 2
c. Both
d. None

ANSWER: Both
 
- The Herschele telescope's lifespan was governed by the amount of coolant available for its instruments Which in this case is Helium.
- When that coolant ran out, the instruments would stop functioning correctly.
- It continued to operate until 29 April 2013.
- Herschel was instrumental in the discovery of an unknown and unexpected step in the star forming process.

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