खगोलविदों द्वारा की खोज कि – McqOptions

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1.	खगोलविदों द्वारा की खोज किये गए एक नए सीक्रेट प्लेनेटरी सिस्टम(HD219134) में कितने सुपर-पृथ्वी उपस्थित है?
A.	3
B.	4
C.	1
D.	2
Answer» B. 4

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