Will a spacecraft sustain a acceleration above 1 milligee at a specific impulse above 3000 seconds before 2045?

Will a nuclear thermal engine be successfully used to power a spacecraft before 2035?

Will a spacecraft achieve a stable orbit around a star other than the Sun prior to 2200?

Will a spacecraft powered by SABRE engines reach space before 2035?

Will SpinLaunch successfully throw a rocket up to orbital boost range by the end of 2030?

Will any spaceship exceed 10% of the speed of light relative to its planet of origin before 9999?

Will a nuclear thermal engine be successfully used to power a spacecraft before 2030?

Will a spacecraft capable of propulsion above 1% the speed of light be achieved before 2040?

Will a manned interstellar mission be launched before January 1, 2060?

Will any human spacecraft reach another star system by the end of the 21st century?