Astronomy studies celestial objects and phenomena beyond Earth. Astronomy degrees offer specializations like cosmology, planetary science, and stellar astrophysics. Astronomers use telescopes, math, ...
ABSTRACT: In this paper homogeneous Bianchi type -I space-time with variable G and L containing matter in the form of a perfect fluid assuming the cosmological term proportional to H2 (where H is ...
ABSTRACT: We present a new well behaved class of exact solutions of Einstein-Maxwell field equations. This solution describes charge fluid balls with positively finite central pressure, positively ...
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