List_of_space_telescopes.pdf
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SPACE OPTIC SPECIALISTS!!!
What will happen if the density of the universe is less than the critical density?
Anonymous Quiz
26%
a) The Universe will contract
29%
b) The Universe will contract and then rebound
26%
c) The universe will stop expanding
19%
d) The universe will keep expanding forever
The brightest nebula in the sky is __ [EASY FOR OBSERVATIONAL GUYS]
Anonymous Quiz
54%
a) Orion
22%
b) Pleiades
19%
c) Cepheid
5%
d) Trifid
The celestial source of X-ray is _______________
Anonymous Quiz
21%
a) Stars
39%
b) Quasars
27%
c) Black Holes
13%
d) Nebula
Astronomers and scientists
The celestial source of X-ray is _______________
Explanation: In close binary systems containing black holes, X-rays are created. In these systems, the more massive and compact stellar remnant strips material from its companion star to form a disk of extremely hot X-ray-emitting gas as it spirals inward.
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Answer
In reality it's a grade 9th question