ENIGMA Puzzle 6

No one has solved this XWord yet.

Who is considered as the first observational astronomer
De Revolutionibus orbium coelestium was written by
M38 is a ____ cluster
North circumpolar star is _______
Thickest ring of Jupiter is ____ ring
the smallest planet in solar system by mass
The term which describes the alignment of three celestial bodies
The day on which the sun's direct rays cross the celestial equator is called
The visible part of the sun is called as
What is the planet in the solar system which was proved to be existing prior to be seen?
What is the mediator of Strong Force
Dark Energy causes the most to the ____ of the universe
At least how many satellites are needed to cover the earth?
The name of a radio waves source that is very far from Earth
How many women Have stepped on moon?
Mediator of the gravitational force