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SpaceX's Dragon spaceship is getting the ultimate window for private Inspiration4 spaceflight

In this artist's visualization, you can see SpaceX's Crew Dragon spacecraft modified with a cupola observation window for the upcoming Inspiration4 mission.  (Image credit: SpaceX)

When SpaceX launches four civilian astronauts on the private Inspiration4 spaceflight, they're going to have the ultimate window: a glass dome offering panoramic views of Earth from space. 

While SpaceX's Crew Dragon spacecraft for the mission is already equipped with flat windows, the Inspiration4 mission — which is set to launch later this year with billionaire Jared Isaacman, who chartered the flight with SpaceX, commanding the crew — will include a unique domed window, allowing crew members to get a 360-degree view of their surroundings. That new window, and the Inspiration4 mission's full crew, were announced in a press conference today (March 30).

"Probably most 'in space' you could possibly feel by being in a glass dome," SpaceX founder Elon Musk tweeted about the window Tuesday (March 30).

Related: Final crew unveiled for all-civilian Inspiration4 flight with SpaceX

Isaacman has emphasized that he wants to make the mission as inclusive as possible, and this dome is a part of that vision. The other Inspiration4 crew members include Chris Sembroski and Sian Proctor, who each won their seats as part of separate contests, also announced Tuesday, along with Hayley Arceneaux, who was selected earlier as an ambassador for St. Jude's Children's Research Hospital.

"Jared keeps saying it's incredibly important to recognize that these are everyday people [who] get to go to space, and that gives me goosebumps even right now talking about it, but the fact that we can give everyday people the coolest window that's ever flown — that's awesome," Benji Reed, SpaceX's director of crew mission management, said during a news conference Tuesday.

The extra space is possible for the domed window because unlike most SpaceX capsules, which dock at the International Space Station, there is no need for a docking mechanism, Isaacman said.

"In terms of the engineering, the safety ... we've done all the engineering work," he added. "We will continue to go through all the analysis and testing and qualification to ensure everything is safe, and that it doesn't preclude any use of this spacecraft for other missions."

The design appears somewhat similar to the beloved Cupola window that is present in the International Space Station (ISS). The Cupola window flew to the orbiting complex with space shuttle mission STS-130 in February 2010; it allows astronauts to perform Earth observation for science experiments or spare time from an altitude of roughly 250 miles (400 kilometers).

Isaacman told reporters that the domed window that will be added to Crew Dragon for Inspiration4 is "similar to the Cupola" on the space station, calling it an "engineering marvel" on a small spacecraft. The crew members on Inspiration4 will have a different view of Earth than astronauts have on the space station, given the mission's higher orbit, he added.

"The orbital altitude that we're going to reach of north of 540 kilometers [355 miles] is actually symbolic, especially when you think about all of the missions that are going to follow ours, including the return to the moon," Isaacman said, referring to NASA's planned Artemis program to put humans on the moon later in the decade.

He hinted that the window could be used to perform science, too. "

We have reached out to a number of organizations to identify scientific research and other payload opportunities that our crew can support while we're on orbit," Isaacman said.

Follow Elizabeth Howell on Twitter @howellspace. Follow us on Twitter @Spacedotcom and on Facebook. 

Elizabeth Howell

Elizabeth Howell is a contributing writer for Space.com who is one of the few Canadian journalists to report regularly on space exploration. She is the author or co-author of several books on space exploration. Elizabeth holds a Ph.D. from the University of North Dakota in Space Studies, and an M.Sc. from the same department. She also holds a bachelor of journalism degree from Carleton University in Canada, where she began her space-writing career in 2004. Besides writing, Elizabeth teaches communications at the university and community college level, and for government training schools. To see her latest projects, follow Elizabeth on Twitter at @howellspace.

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