[AlecSchueler]

Makes me curious what past/future aspects of our solar system we would have considered special had we been alive then.

[onetimeuse92304]

If it makes you feel better, outer planets with all their moons will be in habitable zone for a short time when our Sun will reach red giant stage in some billions of years.

[jackcosgrove]

Liquid water oceans on Mars are believed to have existed in the past.