Question

______ comets have been discovered till date. ​

Answer 1

Answer:

One thousand comets

Explanation:

One thousand comets have been discovered to date using the Solar and Heliospheric Observatory (SOHO) spacecraft. The SOHO spacecraft, a joint effort between NASA and the European Space Agency, has accounted for approximately one-half of all comet discoveries with computed orbits in the history of astronomy.

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Answer 2

6,619 comets have been discovered till date.