In my opinion, the space word beginning with "a" may be astronaut, or astronomy. When it comes easy, it may be wrong. But hope I am right.
Asteroids,aliens
RegolithRocketship
Rover
Uranus
vase
Some of the objects are yacht, yard and yank
emeralds
Tangible objects that start with the letter j:jacketjeansjerseyjewelryjackknifejavelinjawbonejellybeanjug
· International space station · Ionosphere
Ukulele, umbrella, undershirt, urn and unicycle are objects. They begin with the letter u.
Some Spanish objects that begin with the letter "J" are "jirafa" (giraffe), "juguete" (toy), and "joya" (jewel).
EVERYTHING !!
Little Dipper is a space word. It begins with the letter L.
Some objects that start with the letter E are:earmuffsear plugsear ringsearsearthearthwormeasy chaireavesebonyeclairedificeeffigyeggeggbeatereggplantEiffel Towerelectric griddleelephantelm treeembroideryemeraldEmpire State Buildingemuenchiladaenclaveendiveenemaenvelopeepauletseraserestuaryetchingewereyeglasseserasers
Zero gravity is a space word.