In what year was International Cometary Explorer launched: 1971, 1973, 1977 or 1978?

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space

The International Cometary Explorer, originally called ISEE-3, lifted off on August 12, 1978, heading into an orbit around the Sun.

Learn more on Codexery: International Cometary Explorer in NASA Space Probes

How many moons does Mars have?

Which planet is known as the Red Planet?

In which constellation is Robert's Quartet located: Phoenix, Draco, Grus or Corona Borealis?

In which constellation is R Aquarii located: Andromeda, Apus, Antlia or Aquarius?

In what year was Messier 58 discovered: 1764, 1773, 1779 or 1781?

In which constellation is NGC 5679 Group located: Corona Borealis, Phoenix, Virgo or Leo?