Εισαγωγή
Why listen to a podcast on this topic in Greek? Why not Youtube in Greek, or a podcast in English?
NASA (ιστορία, κόστος, συστήματα πυραύλων)
JPL: 1936, rockets in Pasadena! Later 1958 part of NASA
Vanguard/Saturn: $500k/kg (until 1970)
NASA Saturn 5
Space shuttle: $50k/kg (until 2000)
1970 start
Accident in 1986 - cultural problems
Accident in 2003 - cultural problems
Stopped in 2011
Falcon 9: $3k/kg
Falcon heavy: $1k/kg
Kg to ISS: $16k Space shuttle, $6k Falcon+Dragon
SpaceX milestones (2002)
Falcon 1 (4th attempt successful 9/2008)
Dragon capsule in orbit 2010 (onboard falcon 9)
May 2012, first private company to attach Dragon capsule on ISS
First upright landing 2015
2016 landing on drone vessel
2017 reuse Falcon 9 and recover it (satellite on board)
June 2017 reuse Dragon capsule
2018 Falcon heavy + tesla starman launch + landing of side boosters
May 2020 Crew Dragon launch and dock at ISS+ August safe return- Demo-2
August 2020 - 100th launch + 6th reuse of Falcon 9
November 2020 Crew-1 4 astronauts
Άλλες ιδιωτικές
Blue Origin (2000)
Reusable vehicles. Space tourism. LEO Earth Orbit. Blue Moon by 2024, Moon lander. Awarded human landing system contract to the Moon (Artemis)
Virgin Galactic (2004)
Tourism
Διάφορες για δορυφόρους και ~100km ύψος
Activity στην Ελλάδα