Are there equal number of planets, stars, galaxies etc in observable universe spinning in both directions?
Angular momentum of the entire universe remains constant. Assuming that the big bang was the only  thing present initially, it wouldn't  posses any angular momentum. Now, if there are unequal number of planets, galaxies, stars,etc. in the observable universe spinning in both directions, there'd be some net angular  momentum which would violate the conservation of angular momentum. Hence, in my opinion, there are equal number of celestial bodies spinning in both directions.