Astronomy
Articles about stars, planets, space and the universe.
Virgo Cluster
Virgo Supercluster
Void (astronomy)
Volans
Volans (constellation)
Vostok 1
Voyager 1
Voyager 1: NASA's Deep-Space Probe and the First Interstellar Voyager
Voyager 2
Voyager 2: NASA's Deep‑Space Probe to the Ice Giants and Beyond
Voyager program
Voyager program: NASA's long-range interstellar probe missions
Vulcan (hypothetical planet)
Vulcan (hypothetical planet): history, searches, and resolution
Vulcanoid asteroid
Vulcanoid asteroids: hypothetical small bodies orbiting inside Mercury's path
Vulpecula
Vulpecula — the Little Fox (northern constellation)
VV Cephei
VV Cephei — a massive eclipsing binary in Cepheus
VY Canis Majoris
Westerlund 1
Westerlund 2
Westerlund 2: A Young Massive Star Cluster in the Milky Way
Whirlpool galaxy
White dwarf
White dwarf — compact stellar remnant
Winter solstice
Winter solstice: astronomical cause and cultural significance
Wolf 359
Wolf 359: a nearby red dwarf star
Wolf–Rayet star
World
The World: meanings, senses, and cultural uses
Wormhole
WR 102ka
Year
Year: astronomical basis, calendar definitions, and practical uses
Yellow hypergiant
Yinghuo-1
Yinghuo-1 — China’s first planned Mars spacecraft
Ymir (moon)
Ymir — a small irregular moon of Saturn
Yohkoh
Yutu (rover)
Yutu (Jade Rabbit) lunar rover
Zenith
Zodiac
Zodiac: the twelve-sign system of constellations and cultural meanings