- jajycukla
- x
_{1}is an accretion disk (in astronomy) - kesyskepre
- x
_{1}is an astronomer. - mu'erkraske
- x
_{1}is cosmology (in astronomy) based on methodology x_{2} - puvytarga'i
- x
_{1}is stellar evolution - tarkesyske
- x
_{1}is stellar astronomy based on methodology x_{2}. - zgamuvjga
- x
_{1}is the parallax of x_{2}as seen by x_{3}who moves to x_{4}from x_{5}