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Another partner for space exploration.

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A Mars experience right here on Earth.

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And a promising find
outside our solar system.

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A few of the stories to tell you about
This Week at NASA!

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On May 3, the Czech Republic became the
24th country to sign the Artemis Accords.

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NASA Administrator Bill Nelson and the
Czech Republic’s foreign minister,

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Jan Lipavský, participated in the signing
ceremony at NASA Headquarters.

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The Artemis Accords establish a
practical set of principles

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to guide space exploration cooperation
among nations,

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including those participating
in our Artemis program.

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NASA’s Crew Health and Performance
Exploration Analog, or CHAPEA habitat

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is complete and ready for crew members.

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The 3D-printed habitat, at our
Johnson Space Center,

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was built to provide a Mars-like
 environment here on Earth.

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This summer, several volunteers will start
a yearlong analog mission

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to help us prepare for future 
human exploration of Mars.

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Learn more about analog missions
at nasa.gov/analogs.

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Our James Webb Space Telescope
detected hints of water vapor

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while observing GJ 486 b,

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an extremely hot rocky exoplanet that is
too close to its star

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to potentially have liquid water.

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But astronomers don’t know yet if the
water vapor is associated with
the planet or its sun.

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If it is the former, that would indicate
the planet has an atmosphere.

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To date, there has been no definite
detection of an atmosphere

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around a rocky planet outside
our solar system.

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We celebrated Black Hole Week with new
animations, educational resources,

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and other fun and informative material
about black holes and their significance

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in the field of astrophysics.

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A black hole is an astronomical object
with such a strong gravitational pull

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that not even light can escape from it.

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Learn more at nasa.gov/black-holes.