[Travel Time to Destination?]

• How long does it take for a ship to arrive at its destination?

[Why go now?]

• Why not wait 100 years and halve the travel time?

[Star Types?]

• What type of star systems are ships traveling to? Share your ideas about your destination star system.

[Planet Types?]

• What type of planets are the ships travelling to? Size, rings, satellites, gravity, atmosphere, hydrosphere, radiation, continents?

[Why this particular planet?]

• Why does a colony ship traveling for centuries or millenia choose this particular planet?

[Stay in Space?]

• Why does the ship's crew settle a planet and not stay in space?

[Why No Terraforming?]

• Why change people and not terraform the planet? Humans have modified environments before why change now?

[How Are the Planets Discovered?]

• Probes? Earth based sensors? How much do we know about it?

[Are Habitable Planets Common?]

• Are planets like Earth common? Do destination planetes have to be like Earth?