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Long shadows highlight Buzz Aldrin’s bootprint in the fine, gray lunar soil on the surface of the Moon. The bootprint looks somewhat rectangular, but is rounded at the toe and heel, with several parallel tread lines. Even in this small portion of the Moon’s surface, we can see that it’s pitted. This photo was taken during Neil Armstrong and Buzz Aldrin’s historic moonwalk on July 20, 1969. Credit: NASAALT

One Giant Leap for Mankind

Millions of people around the globe will come together for the Paris 2024 Olympic Games later this month to witness a grand event—the culmination of years of training and preparation.

Fifty-five years ago this July, the world was watching as a different history-changing event was unfolding: the Apollo 11 mission was landing humans on the surface of another world for the first time. An estimated 650 million people watched on TV as Neil Armstrong reached the bottom of the ladder of the lunar module on July 20, 1969, and spoke the words, “That’s one small step for [a] man, one giant leap for mankind.”

While the quest to land astronauts on the Moon was born from the space race with the Soviet Union during the Cold War, this moment was an achievement for the whole of humanity. To mark the world-embracing nature of the Moon landing, several tokens of world peace were left on the Moon during the astronauts’ moonwalk.

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ALT: This video shows blades of grass moving in the wind on a beautiful day at NASA’s Michoud Assembly Facility in New Orleans. In the background, we see the 212-foot-core stage for the powerful SLS (Space Launch System) rocket used for Artemis I. The camera ascends, revealing the core stage next to a shimmering body of water as technicians lead it towards NASA’s Pegasus barge. Credit: NASA

The SLS (Space Launch System) Core Stage by Numbers

Technicians with NASA and SLS core stage lead contractor Boeing, along with RS-25 engines lead contractor Aerojet Rocketdyne, an L3Harris Technologies company, are nearing a major milestone for the Artemis II mission. The SLS (Space Launch System) rocket’s core stage for Artemis II is fully assembled and will soon be shipped via barge from NASA’s Michoud Assembly Facility in New Orleans to the agency’s Kennedy Space Center in Florida. Once there, it will be prepped for stacking and launch activities.

Get to know the core stage – by the numbers.

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This image shows a small spacecraft on a table enclosed on all sides except the one facing the camera. The sides of the enclosure are clear while the top has two dark gray panels with a light gray frame. The backside is also gray and reflects a strip of light from the room. The spacecraft’s body is a vertical golden rectangle. Shiny black solar panels extend to either side and are much wider than the spacecraft itself. There are a few wires connected to the table, which are visible underneath it. It’s watermarked, “Credit: NASA/Sophia Roberts.”ALT

Tiny BurstCube’s Tremendous Travelogue

Meet BurstCube! This shoebox-sized satellite is designed to study the most powerful explosions in the cosmos, called gamma-ray bursts. It detects gamma rays, the highest-energy form of light.

BurstCube may be small, but it had a huge journey to get to space.

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