Hubble telescope and Halley's Comet are space words. Jupiter has many moons including Himalia, Harpalyke, Hermippe, Hegemone and Helike. Hyperion, Hati and Hyrrokkin are moons around Saturn. Neptune has several moons including Halimede.
Hydrogen! It's the most common element, and it's what the stars are made of.
Mars, meteor, ,moon,martians, mliky way ,matter
there is nothing in space that starts with the letter y
Hubble
orbit
The space something takes up is called its volume.
MATTER. Has a mass and volume(occupies space).
Matter is something which occupies space and has mass.
Mass.
The Hubble telescope is in space. It begins with the letter h.
Hubble space telescope
Hubble telescope and hydrogen are space words. They begin with the letter h.
hat
hair
Hubble telescope is an outer space word. It begins with the letter h.
Hat
homily
Hebrews
Hymns
worlds
something that starts with "h"