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LightSail 2 is ready to start



Jason Davis • June 24, 2019

Greetings from the Kennedy Space Center, Florida, where the Planetary Society is present for today's launch of LightSail 2! This afternoon, we took a closer look at the SpaceX Falcon Heavy missile, which will launch 24 spacecraft into orbit as part of the US Air Force's STP-2 mission. The start is set to 23:30 EDT (03:30 UTC), the beginning of a four-hour start window. If the launch is canceled for any reason, an identical window will be available tomorrow.

The rocket's two side boosters still carry their burn marks from the Arabsat 6A mission in April, during which both boosters successfully flown back to Cape Canaveral for upright landings. The middle core is pearl white and never flown.

You can follow today's launch live on our homepage at planetary.org. SpaceX usually starts its webcast about 20 minutes before the start. For more information, visit our LightSail 2 mission page and our article What to expect when LightSail 2 launches into space.

Go Falcon Heavy! Go Prox-1! Go LightSail 2!

  STP-2 with LightSail 2 on the pad, hangar view "class =" img840 "src =" https://planetary.s3.amazonaws.com/assets/images/spacecraft/2019/20190624_stp-2-fh - hangar2_f840.jpg

The Planetary Society

STP-2 with LightSail 2 on the pad, hangar view

SpaceX's Falcon Heavy rocket, carrying LightSail 2 and 23 other spaceships for the US Air Force's STP-2 mission, is on 24 June 2019 ready to launch.

  STP-2 with LightSail 2 on the pad, front view "class =" img840 "src =" https://planetary.s3.amazonaws.com/assets/images/spacecraft/2019/20190624_stp-2-fh- front2_f840 .jpg

The Planetary Society

STP-2 with LightSail 2 on the pad, front view

SpaceX's Falcon Heavy rocket, carrying LightSail 2 and 23 other spacecraft for the US Air Force's STP-2 mission, is ready to launch on June 24, 2019.

  Team LightSail 2 visits the Falcon Heavy "class =" img840 "src =" https://planetary.s3.amazonaws.com/assets/images/spacecraft/2019/20190624_stp-2-fh-team-ls2_f840.jpg

ThePlanetarySociety

Team LightSail 2 visits the Falcon Heavy

The Falcon Heavy SpaceX missile, carrying LightSail 2 and 23 other spacecraft for the US Air Force's STP-2 mission, is ready to launch on June 24, 2019.

  STP-2 with LightSail 2 on pad from SpaceX hangar "class =" img840 "src =" https://planetary.s3.amazonaws.com/assets/images/spacecraft/2019/20190624_stp-2- fh-sx-building2_f840.jpg [19659011maleThePlanetarySociety</em></p>
<h5>  STP-2 with LightSail 2 on the pad, out of the SpaceX Hangar </h5>
<p>SpaceX's Falcon Heavy rocket, carrying LightSail 2 and 23 other spaceships for the US Air Force's STP-2 mission, is on 24 June 2019 ready to launch.
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  STP-2 with LightSail 2 on the pad, payload close-up "class =" img840 "src =" https://planetary.s3.amazonaws.com/assets/images/spacecraft/2019/20190624_stp-2-fh- logo2_f840 .jpg

The Planetary Society

STP-2 with LightSail 2 on the pad, payload close-up

SpaceX's Falcon Heavy rocket, carrying LightSail 2 and 23 other spaceships for the US Air Force's STP-2 mission, is on 24 June 2019 ready to launch.

  STP-2 with LightSail 2 on the pad, side view "class =" img840 "src =" https://planetary.s3.amazonaws.com/assets/images/spacecraft/2019/20190624_stp-2-fh- grass -site2_f840.jpg

The Planetary Society

STP-2 with LightSail 2 on the pad, side view

SpaceX's Falcon Heavy rocket, carrying LightSail 2 and 23 other spaceships for the US Air Force's STP-2 mission, is on 24 June 2019 ready to launch.

  STP-2 with LightSail 2 on the pad of the KSC Gatorhole "" class = "img840" src = "https://planetary.s3.amazonaws.com/assets/images/spacecraft/2019/20190624_stp-2- fh-gator-hole2_f840.jpg [19659011lightboxesThePlanetarySociety</em></p><div><script async src=
STP-2 with LightSail 2 on the pad, from the KSC "Gator Hole"

SpaceX's Falcon Heavy rocket, carrying LightSail 2 and 23 other spaceships for the US Air Force's STP-2 mission, is on 24 June 2019 ready to launch.

  STP-2 with LightSail 2 inside the fence fence "class =" img840 "src =" https://planetary.s3.amazonaws.com/assets/images/spacecraft/2019/20190624_stp-2-fh-in -pad2_f840 .jpg

The Planetary Society

STP-2 with LightSail 2 from within the perimeter fence

SpaceX's Falcon Heavy rocket, which carries LightSail 2 and 23 other spacecraft for the US Air Force's STP-2 mission, is ready for launch on June 24, 2019.

  Bill Nye and People "src =" https: //planetary.s3. amazonaws.com/assets/images/thumbnail/card-bill-people.jpg[19659035lightboxesLetsChangetheWorld</h5>
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