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A commercial cargo spacecraft leaves the space
station …

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Watching an Atlantic storm from space …

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And the Artemis I rocket moves closer to launch
… a few of the stories to tell you about

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– This Week at NASA!

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On July 8, an uncrewed SpaceX Dragon cargo
spacecraft undocked from the International

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Space Station with about 5,000 pounds of scientific
experiments and supplies for researchers on

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Earth.

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The Dragon left the station just over a month
after it delivered several tons of experiments

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and new solar arrays.

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This is the company’s 22nd commercial resupply
services flight for NASA.

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On July 4, space station astronaut Megan McArthur
captured images of Elsa, the fifth named storm

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of the 2021 Atlantic hurricane season, as
the storm made its way through the Caribbean

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Sea.

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Elsa, the earliest-forming fifth named Atlantic
storm on record, according to our partner

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agency, NOAA, reached hurricane status but
weakened to a tropical storm before making

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landfall July 7 in the northwest portion of
Florida.

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According to a NASA-led study, in the mid-2030s
a lunar cycle will amplify rising sea levels

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caused by climate change and lead to a decade
of dramatic increases in high-tide floods

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– also called nuisance floods or sunny day
floods – for coastal cities around the U.S.

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The study also says that the floods will sometimes
occur in clusters that could last a month

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or longer, due to the gravitational pull caused
by the alignment of the Moon, Earth, and the

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Sun.

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Our Artemis I mission reached another milestone
on July 5 when teams at our Kennedy Space

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Center stacked the interim cryogenic propulsion
stage or (ICPS) atop the Space Launch System

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or (SLS) rocket inside the Vehicle Assembly
Building.

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The ICPS’s RL-10 engine will be used to
send the Orion spacecraft toward the Moon.

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Launching later this year, Artemis Iwill be
an uncrewed flight test of Orion and the SLS

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rocket as an integrated system ahead of subsequent
missions to send astronauts to the Moon, including

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the first woman and the first person of color.

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July 8 marked the 10th anniversary of the
launch of space shuttle Atlantison STS-135,

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the final launch of the historic space shuttle
program.

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The mission delivered supplies, spare parts,
and an Italian-built multipurpose logistics

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module to the station.

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Atlantis and its crew returned to Earth in
the predawn hours of July 21 to complete the

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mission and close out an era of spaceflight
that spanned 30 years.