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“Here’s some of the stories trending This
Week at NASA!”

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On April 20, Expedition 51-52 Flight Engineer

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Jack Fischer of NASA and Soyuz Commander Fyodor
Yurchikhin of the Russian Space Agency, Roscosmos

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launched to the International Space Station
aboard a Soyuz spacecraft, from the Baikonur

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Cosmodrome in Kazakhstan.

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About six-hours later, the pair arrived at
the orbital outpost and were greeted by station

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Commander Peggy Whitson of NASA and other
members of the crew.

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Fischer and Yurchikhin will spend four and
a half months conducting research aboard the

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station.

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Orbital ATK’s Cygnus cargo spacecraft launched
to the station atop a United Launch Alliance

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Atlas V rocket April 18, from the Cape Canaveral
Air Force Station in Florida.

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The Cygnus -- named the “SS John Glenn”
in honor of the late NASA astronaut and U.S.

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Senator from Ohio, is delivering more than
7,600 pounds of supplies and scientific experiments

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for the station crew.

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Following its arrival on April 22, the Cygnus
is scheduled to spend the next three months

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at the station.

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Three extraordinary planet hunters have been

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named to Time Magazine’s annual list of
the 100 most influential people in the world.

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Natalie Batalha, is a project scientist with
NASA’s Kepler mission – Kepler discovered

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the first Earth-size planets beyond our solar
system.

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She’s joined on the list by Guillem Anglada-Escudé
of the Queen Mary University of London, who

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discovered an Earth-size planet orbiting Proxima
Centauri in 2016, and Michaël Gillon of the

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University of Liège in Belgium, who recently
announced the discovery of the first known

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system of seven Earth-size planets around
a single star.

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The discovery was made using NASA’s Spitzer
Space Telescope and ground-based observatories.

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As NASA's Dawn spacecraft continues exploring

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the dwarf planet Ceres, there is growing evidence
that Ceres has a significant amount of water

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ice.

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A new study in the journal Nature Geoscience
adds to this picture, showing how ice may

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have shaped the variety of landslides seen
on Ceres today.

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Research shows that Ceres is covered in landslides
like those we experience on Earth, and furthers

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the case that the dwarf planet has a lot of
water ice involved in its structure.

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NASA's senior Mars rover, Opportunity, is

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leaving "Cape Tribulation" – a crater-rim
segment it has explored since late 2014.

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Opportunity is headed southbound for the fluid-carved
"Perseverance Valley" on the "Cape Byron"

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segment of the crater rim.

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The rover team plans observations in the valley
in an effort to determine the type of fluid

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activity that carved out the valley billions
of years ago: water, wind or flowing debris

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lubricated by water.

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NASA’s Earth Day celebrations this year

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include live and online public activities.

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The April 20 Earth Day in the Nation’s Capital
event at Washington’s Union Station featured

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NASA hands-on activities and presentations,
images of Earth on NASA’s Hyperwall, agency

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officials discussing the benefits of observing
our home planet from the vantage point of

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space, and autographs from former astronaut
Scott Altman – commander of the last Hubble

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Space Telescope Servicing mission.

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NASA also invited the public to learn about
our global environment by "adopting" a small

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part of Earth – complete with an adoption
certificate to print and share on social media.

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And that’s what’s up this week @NASA …
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