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THE UNIVERSE
Worlds Beyond Our Solar System
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NASA’s Transiting Exoplanet Survey Satellite, or TESS, has released its most complete view of the starry sky to date, filling in gaps from earlier observations. Nearly 6,000 colored dots scattered across the image mark the locations of
confirmed or candidate exoplanets — worlds beyond our solar system — identified by the mission as of September 2025.
TESS surveys the entire sky by searching for periodic dips in starlight believed to be caused by planets transiting the host star. Its four identical, red‑sensitive, wide‑field cameras monitor a 24‑degree by 90‑degree strip of sky at a
time. Each strip is observed continuously for 27 days at a 2‑second cadence. Over successive years, TESS will tile both the southern and northern hemispheres.
TESS
REVEALS DAZZLING SKY
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THE UNIVERSE
For Roman, From Hubble
NASA’s Nancy Grace Roman Space Telescope will be the first mission to make detailed studies of the Milky Way’s galactic bulge a core science objective, building on data from earlier observatories
such as the Hubble Space Telescope. To help Roman characterize the vast number of stars and planets in this region, astronomers used Hubble to observe many of the same fields that Roman will later examine in its Galactic Bulge Time-Domain Survey. Comparing
Hubble’s earlier images with Roman’s new data will give astronomers crucial context, allowing them to interpret Roman’s observations with far greater precision.
OBSERVING
THE MILKY WAY
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ARTEMIS
Stepping Stones
NASA is moving quickly to define next year’s Artemis III mission in Earth orbit, a crewed flight that will test rendezvous and docking capabilities between the agency’s Orion spacecraft
and commercial landers from Blue Origin and SpaceX. Since a February announcement adding an Artemis mission ahead of crewed landing missions to the Moon’s South Pole region, engineers have been evaluating options and operational considerations for Artemis
III to ensure the test flight helps the agency and its partners reduce risk ahead of the next Americans landing on the Moon during Artemis IV.
ARTEMIS
III UPDATES
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THE SOLAR SYSTEM
Perseverance Snaps Selfie
NASA’s Perseverance Mars rover recently captured a self‑portrait at a site known as “Lac de Charmes,” set against a backdrop of ancient Martian terrain. The selfie, assembled
from 61 individual images, shows Perseverance training its mast toward a rocky outcrop where it had just created a circular abrasion patch. Behind it, the western rim of Jezero Crater stretches across the horizon. The image was taken on March 11 during the
rover’s deepest push west beyond the crater.
LEARN
MORE
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HUMANS IN SPACE
Off the Earth, For the Earth
Expedition 74 astronauts aboard the International Space Station are digging into how the bacteria that causes pneumonia can lead to long‑term heart damage. By taking advantage
of the unique conditions in space, researchers are watching how stem‑cell‑derived heart tissues respond to bacterial infections. Their goal is to uncover new ways to protect cardiovascular health and better manage infectious diseases.
LEARN
MORE
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Fifty-seven years ago this week, NASA launched Apollo 10. Astronauts Tom Stafford, Gene Cernan, and John Young, the second ever crew of astronauts to circle
the Moon, guided their Apollo 10 spacecraft through a series of critical procedures required for the Apollo 11 lunar landing. This included separating the Lunar Module — nicknamed “Snoopy” — from the Command Module “Charlie Brown” and carrying out low-altitude
maneuvers around the Moon.
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How close did Snoopy get to the lunar surface during the Apollo 10 mission? |
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Find out the answer in next week's NASA newsletter! 🤓
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Last week, we asked on which body in our solar system, other than Earth, can you find the logo created to celebrate the United States bicentennial in 1976? The answer? Mars. The bicentennial emblem is emblazoned
on NASA’s
Viking Project landers, the first American spacecraft to land safely on the surface of Mars and return images of the surface.
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National Aeronautics and Space Administration
NASA explores the unknown in air and space, innovates for the benefit of humanity, and inspires the world through discovery.
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nasa.gov
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