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posted by janrinok on Wednesday April 22 2020, @05:04PM   Printer-friendly
from the may-you-land-gently dept.

[20200422_200816 UTC: Update: Launch was successful. The first-stage booster functioned nominally and successfully landed on a drone ship. The second stage successfully deployed the satellites at an altitude of approximately 250 km. The satellites will use on-board ion thrusters to raise their orbits up to a planned 550 km altitude. No word on this flight's fairing recovery attempt.--martyb]

SpaceX returns to the launch pad, and there are a few things to watch for:

SpaceX has targeted Wednesday afternoon for the next launch of its Falcon 9 rocket from a pad at Kennedy Space Center. This mission will launch the sixth batch of operational Starlink satellites, bringing the company closer to offering initial broadband Internet access to North America.

However, the Starlink-6 launch—set for 3:37pm ET (19:37 UTC)[*]—is notable for reasons beyond the simple extension of the company's Starlink network.

[...] SpaceX has gotten pretty darn good at landing first stages back on Earth, as they have now done it 50 times. However, the company failed to successfully land the first stage on an autonomous drone ship the last two times it attempted to do so.

On February 17, after the Starlink-4 launch, the first stage received incorrect data about wind conditions near the landing location and missed the drone ship. Then, on March 18, one of the rocket's nine Merlin 1D engines failed during launch, and although the Starlink-5 satellites made orbit, this precluded a fully controlled return of the first stage.

[...] It is notable that SpaceX pushed up this week's launch from Thursday to Wednesday, citing a "more favorable weather forecast for launch and landing." Launch conditions on Wednesday are more favorable (90-percent chance of "go" weather) than Thursday, but seas, too, should be considerably less choppy in the landing zone offshore. This increases the chance of success.

[*] Rescheduled: As of 09:56 this Wednesday morning, this tweet states: "New T-0 of 3:30 p.m. EDT, 19:30 UTC, for today's launch of Starlink". For further updates, keep an eye on SpaceX's twitter fed.

Live stream on YouTube to start 10 minutes before liftoff.

I remember SpaceX's first successful landing and how amazing it was. Now they have succeeded 50(!) times and it has become so 'commonplace' we are surprised when they do not succeed in landing a booster!


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  • (Score: 2) by Kell on Wednesday April 22 2020, @11:25PM

    by Kell (292) on Wednesday April 22 2020, @11:25PM (#985896)

    Honestly, even one is more than sufficient to tell us what we need to know about the poster. The level of histrionics on display speaks far more to the mentality that crafted it than the person being lambasted. To adapt the words of the bard: "The sir doth protest too much, methinks".

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