celestial object, thought to be rapidly rotating neutron star, that emits regular pulses of radio waves. Star that sends out regular rapid radio signals.

reflective surface. Things with glass surface used to look at yourself. To reflect (an image).

discover or identify presence or existence of.

sum paid into bank. To lay down of layers, e.g. of soil, over time.

Air around us.

number equivalent to product of hundred and ten.

optical instrument designed to make distant objects appear nearer, containing arrangement of lenses, or of curved mirrors and lenses. To shorten by compacting tubes inside each other.

artificial body placed in orbit round earth or another planet. Areas controlled by another group or country.

sound made by something striking or falling into liquid. Acts of throwing water in various directions. To throw water or liquids in many directions.

planned or conceived in detail for specific purpose. To plan in a particular way to fulfill a purpose.

Very severe; very strong. Effort that is thought more than is necessary.

Not of the same kind; unlike other things. alter coat of arms.

room or building housing astronomical telescope.

minute portion of matter. Tiny pieces or quantities of some things.