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Juice’s lunar-Earth flyby: all you need to know
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By European Space Agency
Video: 00:02:14 On 12 March 2025, ESA’s Hera spacecraft soared just 5000 km above Mars and passed within 300 km of its distant moon, Deimos. Captured by Hera’s 1020x1020 pixel Asteroid Framing Camera, this video sequence offers a rare view of the red planet and its enigmatic moon. The original greyscale images have been colour-enhanced based on known surface features.
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By NASA
Robert Markowitz The four astronauts who will be the first to fly to the Moon under NASA’s Artemis campaign have designed an emblem to represent their mission that references both their distant destination and the home they will return to. The crew unveiled their patch in this April 2, 2025, photo.
The crew explained the patch’s symbolism, and its play on the abbreviation of Artemis II to AII, with the following description: The Artemis II test flight begins when a mighty team launches the first crew of the Artemis generation. This patch designates the mission as “AII,” signifying not only the second major flight of the Artemis campaign, but also an endeavor of discovery that seeks to explore for all and by all. Framed in Apollo 8’s famous Earthrise photo, the scene of the Earth and the Moon represents the dual nature of human spaceflight, both equally compelling: The Moon represents our exploration destination, focused on discovery of the unknown. The Earth represents home, focused on the perspective we gain when we look back at our shared planet and learn what it is to be uniquely human. The orbit around Earth highlights the ongoing exploration missions that have enabled Artemis to set sights on a long-term presence on the Moon and soon, Mars.
Commander Reid Wiseman, pilot Victor Glover, and mission specialist Christina Koch from NASA, and mission specialist Jeremy Hansen from CSA (Canadian Space Agency), will venture around the Moon in 2026 on Artemis II. The 10-day flight will test NASA’s foundational human deep space exploration capabilities, the SLS rocket, Orion spacecraft, for the first time with astronauts. Through Artemis, NASA will send astronauts to explore the Moon for scientific discovery, economic benefits, and build the foundation for the first crewed missions to Mars.
Text credit: Brandi Dean, Courtney Beasley
Image credit: NASA/Robert Markowitz
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By Space Force
Dr. Troy E. Meink appeard before the Senate Armed Services Committee for his nomination to be the next SecAF.
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By European Space Agency
Video: 01:08:00 Watch the replay of our Hera mission Mars flyby event. On 12 March 2025, ESA’s Hera mission came to within 5000 km of the surface of the red planet and 300 km of Mars’s more distant and enigmatic moon Deimos. During this flyby, Hera performed observations of both Mars and the city-sized Deimos. Hera then needed to swing its High Gain Antenna back to Earth to transmit its data home. On Thursday, 13 March, these images were premiered by Hera’s science team from ESA’s ESOC mission control centre in Darmstadt, Germany, explaining what they reveal, during our public webcast starting at 11:50 CET. The team was joined by ESA astronaut Alexander Gerst and renowned science fiction writer Andy Weir, author of The Martian and Project Hail Mary, as well as a surprise special guest!
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By NASA
2 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
This was a magical revelation for the Greeks and the Egyptians, who were able to see from the motions of the stars and the way the Sun moved. They saw the way the Sun’s shadow worked in different places. And they figured, well, that’s only possible if the Earth is round. And they took that information and it extended into the time of the great mariners that explored our Earth by ships.
They made the first orbit of Earth by sea, and they knew the Earth was round, allowing them to go across one ocean and come back home the other way. If the Earth were flat, they would have sailed off the end. And so we knew that.
But then, at the dawn of the space age, in the late 50s and 60s, we were able to see for ourselves that our beautiful home is a gorgeous round object known as a sphere. And that was really special. It put ourselves into context of our solar system and our universe.
We have a big round Sun and a beautiful round Earth and a round Mars.
And today we use the roundness of Earth, the spherical Earth, to use methods in space geodesy to figure out where we are, where we’re going. I haven’t been lost in years. That’s pretty good.
What’s happening to the Earth, what’s happening to our oceans as we take the pulse of our planet and consider other worlds beyond as we explore those.
So as we get ready to go back to the Moon with women and men and explore other worlds, the roundness of our solar system and our universe is a special thing. And we should embrace that as we understand why our planet isn’t flat.
[END VIDEO TRANSCRIPT]
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Last Updated Mar 11, 2025 Related Terms
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