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Falcon already delivered DSCOVR to Sun-Earth L1, while PSLV only flew MOM to a highly elliptical Earth orbit and MOM had to use its own propulsion for TMI.
by jakub_h 10y ago
Falcon already delivered DSCOVR to Sun-Earth L1, while PSLV only flew MOM to a highly elliptical Earth orbit and MOM had to use its own propulsion for TMI.
- lukealization 10y agoSun-Earth L1, while not in Earth's orbit, is still within the Earth's Sphere Of Influence as it has a negative Characteristic Energy value.
- greglindahl 10y agoCite?
- kchoudhu 10y agoI don't object to the respondent: it's true, SpaceX has broken out of earth orbit -- but that's still a far cry from deploying to Mars. My point stands: SpaceX needs to get to Mars once before we can start calling them serious interplanetary contenders.
- greglindahl 10y agoI'm not sure why it's important to debate whether or not a company is a "serious interplanetary contender", but I do think it's important to get the facts correct.
- swatkat 10y ago>> Falcon already delivered DSCOVR to Sun-Earth L1, while PSLV only flew MOM to a highly elliptical Earth orbit and MOM had to use its own propulsion for TMI. Wait till PSLV delivers Aditya-1[1][2] to L1. [1] http://www.isro.gov.in/aditya-l1-first-indian-mission-to-study-sun http://www.isro.gov.in/aditya-l1-first-indian-mission-to-stu... [2] http://space.skyrocket.de/doc_sdat/aditya-1.htm http://space.skyrocket.de/doc_sdat/aditya-1.htm