Clue: It recently confirmed that Voyager 1 has left the solar system

Answer: NASA

Length: 4

---

Similar Clues:

• 11th-century Italian theologian (ANSELM with 6 letters)
• City the British finally left in 1967 (ADEN with 4 letters)
• Visitor from beyond our solar system (ALIEN with 5 letters)
• Visitor from beyond the solar system (ALIEN with 5 letters)
• Group Britney recently left? (ALIST with 5 letters)
• Closest star system to the solar system (ALPHACENTAURI with 13 letters)
• "The Solar System and Back" author Isaac (ASIMOV with 6 letters)
• Solar-system sci. (ASTR with 4 letters)
• Solar system sci. (ASTR with 4 letters)
• Item often stolen yet left where it is (BASE with 4 letters)