The Universe in your hand. Crossword

it's a universal law
something that gives you strength.
It's a molecule that carries the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms
type of physics
study of extraterrestrial life
science concerned with improving living conditions
common gas on earth, we breathe it.
study of plants
we love gazing at them in night sky they're distant suns.
10 billion light years in diameter and contains a vast number of galaxies... all of space and everything.
relating to the interrelation of electric currents or fields and magnetic fields.
the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization.
a region of space having a gravitational field so intense that no matter or radiation can escape. A place where money or lost items apparently disappear without trace.
a large body of matter with no definite shape.
the absence or cessation of life or existence.
the process in which electromagnetic radiation or particles are deflected or diffused.
a person or thing that has a powerful attraction.
endless
the natural satellite of the earth, visible (chiefly at night) by reflected light from the sun.
the star round which the earth orbits