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By NASA
2 Min Read Building a Lunar Network: Johnson Tests Wireless Technologies for the Moon
From left, Johnson Exploration Wireless Laboratory (JEWL) Software Lead William Dell; Lunar 3GPP Principal Investigator Raymond Wagner; JEWL intern Harlan Phillips; and JEWL Lab Manager Chatwin Lansdowne. Credits: Nevada Space Proving Grounds (NSPG) NASA engineers are strapping on backpacks loaded with radios, cameras, and antennas to test technology that might someday keep explorers connected on the lunar surface. Their mission: test how astronauts on the Moon will stay connected during Artemis spacewalks using 3GPP (LTE/4G and 5G) and Wi-Fi technologies.
It’s exciting to bring lunar spacewalks into the 21st century with the immersive, high-definition experience that will make people feel like they’re right there with the astronauts.
Raymond Wagner
NASA’s Lunar 3GPP Project Principal Investigator
A NASA engineer tests a backpack-mounted wireless communications system in the Nevada desert, simulating how astronauts will stay connected during Artemis lunar spacewalks. NSPG With Artemis, NASA will establish a long-term presence at the Moon, opening more of the lunar surface to exploration than ever before. This growth of lunar activity will require astronauts to communicate seamlessly with each other and with science teams back on Earth.
“We’re working out what the software that uses these networks needs to look like,” said Raymond Wagner, principal investigator in NASA’s Lunar 3GPP project and member of Johnson Space Center’s Exploration Wireless Laboratory (JEWL) in Houston. “We’re prototyping it with commercial off-the-shelf hardware and open-source software to show what pieces are needed and how they interact.”
Carrying a prototype wireless network pack, a NASA engineer helps test wireless 4G and 5G technologies that could one day keep Artemis astronauts connected on the Moon. NSPG The next big step comes with Artemis III, which will land a crew on the Moon and carry a 4G/LTE demonstration to stream video and audio from the astronauts on the lunar surface.
The vision goes further. “Right now the lander or rover will host the network,” Wagner said. “But if we go to the Moon to stay, we may eventually want actual cell towers. The spacesuit itself is already becoming the astronaut’s cell phone, and rovers could act as mobile hotspots. Altogether, these will be the building blocks of communication on the Moon.”
Team members from NASA’s Avionics Systems Laboratory at Johnson Space Center in Houston.NASA/Sumer Loggins Back at Johnson, teams are simulating lunar spacewalks, streaming video, audio, and telemetry over a private 5G network to a mock mission control. The work helps engineers refine how future systems will perform in challenging environments. Craters, lunar regolith, and other terrain features all affect how radio signals travel — lessons that will also carry over to Mars.
For Wagner, the project is about shaping how humanity experiences the next era of exploration. “We’re aiming for true HD on the Moon,” he said. “It’s going to be pretty mind-blowing.”
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Sumer Loggins
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Last Updated Sep 18, 2025 Related Terms
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By NASA
6 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
It’s been 30 years since the discovery of the first planet around another star like our Sun. With every new discovery, scientists move closer to answering whether there are other planets like Earth that could host life as we know it. NASA/JPL-Caltech The milestone highlights the accelerating rate of discoveries, just over three decades since the first exoplanets were found.
The official number of exoplanets — planets outside our solar system — tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, so no single planet is considered the 6,000th entry. The number is monitored by NASA’s Exoplanet Science Institute (NExScI), based at Caltech’s IPAC in Pasadena, California. There are more than 8,000 additional candidate planets awaiting confirmation, with NASA leading the world in searching for life in the universe.
See NASA's Exoplanet Discoveries Dashboard “This milestone represents decades of cosmic exploration driven by NASA space telescopes — exploration that has completely changed the way humanity views the night sky,” said Shawn Domagal-Goldman, acting director, Astrophysics Division, NASA Headquarters in Washington. “Step by step, from discovery to characterization, NASA missions have built the foundation to answering a fundamental question: Are we alone? Now, with our upcoming Nancy Grace Roman Space Telescope and Habitable Worlds Observatory, America will lead the next giant leap — studying worlds like our own around stars like our Sun. This is American ingenuity, and a promise of discovery that unites us all.”
Scientists have found thousands of exoplanets (planets outside our solar system) throughout the galaxy. Most can be studied only indirectly, but scientists know they vary widely, as depicted in this artist’s concept, from small, rocky worlds and gas giants to water-rich planets and those as hot as stars. NASA’s Goddard Space Flight Center The milestone comes 30 years after the first exoplanet was discovered around a star similar to our Sun, in 1995. (Prior to that, a few planets had been identified around stars that had burned all their fuel and collapsed.) Although researchers think there are billions of planets in the Milky Way galaxy, finding them remains a challenge. In addition to discovering many individual planets with fascinating characteristics as the total number of known exoplanets climbs, scientists are able to see how the general planet population compares to the planets of our own solar system.
For example, while our solar system hosts an equal number of rocky and giant planets, rocky planets appear to be more common in the universe. Researchers have also found a range of planets entirely different from those in our solar system. There are Jupiter-size planets that orbit closer to their parent star than Mercury orbits the Sun; planets that orbit two stars, no stars, and dead stars; planets covered in lava; some with the density of Styrofoam; and others with clouds made of gemstones.
“Each of the different types of planets we discover gives us information about the conditions under which planets can form and, ultimately, how common planets like Earth might be, and where we should be looking for them,” said Dawn Gelino, head of NASA’s Exoplanet Exploration Program (ExEP), located at the agency’s Jet Propulsion Laboratory in Southern California. “If we want to find out if we’re alone in the universe, all of this knowledge is essential.”
Searching for other worlds
Fewer than 100 exoplanets have been directly imaged, because most planets are so faint they get lost in the light from their parent star. The other four methods of planet detection are indirect. With the transit method, for instance, astronomers look for a star to dim for a short period as an orbiting planet passes in front of it.
To account for the possibility that something other than an exoplanet is responsible for a particular signal, most exoplanet candidates must be confirmed by follow-up observations, often using an additional telescope, and that takes time. That’s why there is a long list of candidates in the NASA Exoplanet Archive (hosted by NExScI) waiting to be confirmed.
“We really need the whole community working together if we want to maximize our investments in these missions that are churning out exoplanets candidates,” said Aurora Kesseli, the deputy science lead for the NASA Exoplanet Archive at IPAC. “A big part of what we do at NExScI is build tools that help the community go out and turn candidate planets into confirmed planets.”
The rate of exoplanet discoveries has accelerated in recent years (the database reached 5,000 confirmed exoplanets just three years ago), and this trend seems likely to continue. Kesseli and her colleagues anticipate receiving thousands of additional exoplanet candidates from the ESA (European Space Agency) Gaia mission, which finds planets through a technique called astrometry, and NASA’s upcoming Nancy Grace Roman Space Telescope, which will discover thousands of new exoplanets primarily through a technique called gravitational microlensing.
Many telescopes contribute to the search for and study of exoplanets, including some in space (artists concepts shown here) and on the ground. Doing the work are organizations around the world, including ESA (European Space Agency), CSA (Canadian Space Agency), and NSF (National Science Foundation). NASA/JPL-Caltech Future exoplanets
At NASA, the future of exoplanet science will emphasize finding rocky planets similar to Earth and studying their atmospheres for biosignatures — any characteristic, element, molecule, substance, or feature that can be used as evidence of past or present life. NASA’s James Webb Space Telescope has already analyzed the chemistry of over 100 exoplanet atmospheres.
But studying the atmospheres of planets the size and temperature of Earth will require new technology. Specifically, scientists need better tools to block the glare of the star a planet orbits. And in the case of an Earth-like planet, the glare would be significant: The Sun is about 10 billion times brighter than Earth — which would be more than enough to drown out our home planet’s light if viewed by a distant observer.
NASA has two main initiatives to try overcoming this hurdle. The Roman telescope will carry a technology demonstration instrument called the Roman Coronagraph that will test new technologies for blocking starlight and making faint planets visible. At its peak performance, the coronagraph should be able to directly image a planet the size and temperature of Jupiter orbiting a star like our Sun, and at a similar distance from that star. With its microlensing survey and coronagraphic observations, Roman will reveal new details about the diversity of planetary systems, showing how common solar systems like our own may be across the galaxy.
Additional advances in coronagraph technology will be needed to build a coronagraph that can detect a planet like Earth. NASA is working on a concept for such a mission, currently named the Habitable Worlds Observatory.
More about ExEP, NExScI
NASA’s Exoplanet Exploration Program is responsible for implementing the agency’s plans for the discovery and understanding of planetary systems around nearby stars. It acts as a focal point for exoplanet science and technology and integrates cohesive strategies for future discoveries. The science operations and analysis center for ExEP is NExScI, based at IPAC, a science and data center for astrophysics and planetary science at Caltech. JPL is managed by Caltech for NASA.
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Calla Cofield
Jet Propulsion Laboratory, Pasadena, Calif.
626-808-2469
calla.e.cofield@jpl.nasa.gov
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Last Updated Sep 17, 2025 Related Terms
Exoplanets Exoplanet Discoveries Gas Giant Exoplanets Jet Propulsion Laboratory Kepler / K2 Nancy Grace Roman Space Telescope Neptune-Like Exoplanets Super-Earth Exoplanets Terrestrial Exoplanets TESS (Transiting Exoplanet Survey Satellite) The Search for Life Explore More
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By Amazing Space
BLOOD MOON TONIGHT! Total Lunar Eclipse September 7, 2025 + 5 Amazing Moon Features You Can See!
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By NASA
4 Min Read La NASA revela los finalistas del concurso de diseño de la mascota lunar de Artemis II
Read this story in English here.
La NASA ya tiene 25 finalistas para el diseño del indicador de gravedad cero de Artemis II que volará con la tripulación de esta misión alrededor de la Luna y de regreso a la Tierra el próximo año.
Los astronautas Reid Wiseman, Victor Glover y Christina Koch de la NASA, y el astronauta de la CSA (Agencia Espacial Canadiense) Jeremy Hansen pronto seleccionarán uno de los diseños finalistas para que les acompañe dentro de la nave espacial Orion como su mascota lunar.
“El indicador de gravedad cero de Artemis II será especial para la tripulación”, dijo Reid Wiseman, comandante de Artemis II. “En una nave espacial llena de equipos y herramientas complejas que mantienen viva a la tripulación en el espacio profundo, el indicador es una forma amigable y útil de resaltar el elemento humano que es tan crítico para nuestra exploración del universo. Nuestra tripulación está entusiasmada con estos diseños provenientes de muchos lugares del mundo y esperamos con interés llevar al ganador con nosotros en este viaje”.
Un indicador de gravedad cero es un pequeño peluche que típicamente viaja con la tripulación para indicar visualmente el momento en que llegan al espacio. Durante los primeros ocho minutos después del despegue, la tripulación y el indicador, que estará situado cerca de ellos, seguirán siendo presionados contra sus asientos por la gravedad y la fuerza de la subida al espacio. Cuando se apaguen los motores principales de la etapa central del cohete Sistema de Lanzamiento Espacial (SLS, por sus siglas en inglés), se eliminarán las restricciones de la gravedad, pero la tripulación seguirá atada de manera segura a sus asientos: la capacidad de flotar de su indicador de gravedad cero será la evidencia de que han llegado al espacio.
Artemis II será la primera misión en la que el público haya participado en la creación de la mascota de la tripulación.
Estos diseños, con ideas que abarcan desde versiones lunares de criaturas terrestres hasta visiones creativas sobre la exploración y el descubrimiento, fueron seleccionados entre más de 2.600 propuestas procedentes de más de 50 países, e incluyen diseños de estudiantes desde primaria a secundaria. Los finalistas representan a 10 países, entre los que están Estados Unidos, Canadá, Colombia, Finlandia, Francia, Alemania, Japón, Perú, Singapur y Gales.
Mira aquí los diseños finalistas:
Lucas Ye | Mountain View, California“Rise” Kenan Ziyan | Canyon, Texas“Zappy Zebra” Royal School, SKIES Space Club | Winnipeg, Manitoba, Canada“Luna the Space Polar Bear” Garden County Schools | Oshkosh, Nebraska“Team GarCo” Richellea Quinn Wijaya | Singapore“Parsec – The Bird That Flew to the Moon” Anzhelika Iudakova | Finland“Big Steps of Little Octopus” Congressional School | Falls Church, Virginia“Astra-Jelly” Congressional School | Falls Church, Virginia“Harper, Chloe, and Mateo’s ZGI” Alexa Pacholyk | Madison, Connecticut“Artemis” Leila Fleury | Rancho Palos Verdes, California“Beeatrice” Oakville Trafalgar School | Oakville, Ontario, Canada“Lepus the Moon Rabbit” Avon High School | Avon, Connecticut“Sal the Salmon” Daniela Colina | Lima, Peru“Corey the Explorer” Caroline Goyer-Desrosiers | St. Eustache, Quebec, Canada“Flying Squirrel Ready for Its Take Off to Space!” Giulia Bona | Berlin, Germany“Art & the Giant” Tabitha Ramsey | Frederick, Maryland“Lunar Crust-acean” Gabriela Hadas | Plano, Texas“Celestial Griffin” Savon Blanchard | Pearland, Texas“Soluna Flier” Ayako Moriyama | Kyoto, Japan“MORU: A Cloud Aglow with Moonlight and Hope” Johanna Beck | McPherson, Kansas“Creation Mythos” Guillaume Truong | Toulouse, France“Space Mola-mola (aka Moon Fish) Plushie” Arianna Robins | Rockledge, Florida“Terra the Titanosaurus” Sandy Moya | Madrid, Colombia“MISI: Guardian of the Journey” Bekah Crowmer | Mooresville, Indiana“Mona the Moon Moth” Courtney John | Llanelli, Wales“Past, Present, Future” En marzo, la NASA anunció que buscaba propuestas de creadores de todo el mundo para el diseño de un indicador de gravedad cero que volaría a bordo de Artemis II, la primera misión tripulada de la campaña Artemis de la NASA. Se pidió a los creadores que presentaran ideas que representaran la importancia de Artemis, la misión, o la exploración y el descubrimiento, y que cumplieran con requisitos específicos de tamaño y materiales. La empresa de crowdsourcing (colaboración abierta) Freelancer sirvió como facilitadora del concurso en nombre de la NASA, a través del Laboratorio de Campeonatos de la NASA, el cual es gestionado por la Dirección de Misiones de Tecnología Espacial de la agencia.
Una vez que la tripulación haya seleccionado un diseño final, el Laboratorio de Mantas Térmicas de la NASA lo fabricará para el vuelo. El indicador estará amarrado dentro de Orion antes del lanzamiento.
La misión, que tendrá alrededor de 10 días de duración, es otro paso adelante hacia misiones en la superficie lunar y sirve como preparación para futuras misiones tripuladas a Marte de la agencia.
Mediante Artemis II, la NASA enviará astronautas a explorar la Luna para llevar a cabo descubrimientos científicos, obtener beneficios económicos y sentar las bases para las primeras misiones tripuladas a Marte.
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