Historical clue formulations

• "Far out, man!" — 2019-10-17
• Inconceivably vast — 2017-01-22
• Vast — 2012-01-21
• Immeasurably vast — 2010-05-04
• Vast — 2007-05-20
• "Like wow, man" — 2006-07-31
• "Far out, man!" — 2000-03-07
• Kind of dust — 1998-05-02
• Grand — 1995-04-05