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The discovery of cosmic object 2003 UB313 caused much stir in astronomers circles.
Question 1:
The discovery of cosmic object 2003 UB313 caused much stir in astronomers circles. Its discoverers declared 2003 UB313 to be what?
A.
The tenth planet in the Solar system
B.
A new galaxy
C.
A possible black hole near the edge of the Solar system
D.
A planetary system with signs of intelligent life
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Trivial Practice Quiz science-technology - Test 25 | Englishfreetest.com
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