As an aerospace engineer, I'm excited for 2025, when space agencies worldwide are gearing up for even more ambitious goals. Here's a look at the most exciting missions planned for the coming year, which will expand humanity's horizons even further, from the Moon and Mars to asteroids and beyond:
In 2025, NASA has several CLPS missions planned, including deliveries by companies Astrobotic, Intuitive Machines and Firefly Aerospace.
These missions will carry a variety of scientific instruments and technology demonstrations to different lunar locations. The payloads will include experiments to study lunar geology, test new technologies for future human missions and gather data on the Moon's environment.
SPHEREx will create a comprehensive map of the universe by surveying and collecting data on more than 450 million galaxies along with over 100 million stars in the Milky Way. Astronomers will use this data to answer big questions about the origins of galaxies and the distribution of water and organic molecules in stellar nurseries - where stars are born from gas and dust.
These scientific experiments will include research in microgravity, which is the near-weightless environment of space. Scientists will study how plants grow, how materials behave and how biological processes occur without the influence of gravity.
Space Rider will also demonstrate new technologies for future missions. For example, it will test advanced telecommunication systems, which are crucial for maintaining communication with spacecraft over long distances. It will also test new robotic exploration tools for use on future missions to the Moon or Mars.
This mission will study the lunar soil to understand its composition and properties. Researchers will also conduct a water-splitting test to produce oxygen and hydrogen by extracting water from the lunar surface, heating the water and splitting the captured steam. The generated water, oxygen and hydrogen can be used for enabling long-term lunar exploration.
This mission will also demonstrate new technologies, such as advanced navigation systems for precise landings and systems to operate the rover autonomously. These technologies are essential for future lunar exploration and could be used in missions to Mars and beyond.
The M2/Resilience mission is part of Japan's broader efforts to contribute to international lunar exploration. It builds on the success of Japan's Smart Lander for Investigating Moon, or SLIM, mission, which landed on the Moon using a precise landing technique in March 2024.
The mission's first target is the near-Earth asteroid 469219 Kamo?oalewa. This asteroid is a quasi-satellite of Earth, meaning it orbits the Sun but stays close to Earth. Kamo?oalewa is roughly 131-328 feet (40-100 meters) in diameter and may be a fragment of the Moon, ejected into space by a past impact event.
By studying this asteroid, scientists hope to learn about the early solar system and the processes that shaped it. The spacecraft will use both touch-and-go and anchor-and-attach techniques to collect samples from the asteroid's surface.
After collecting samples from Kamo?oalewa, Tianwen-2 will return them to Earth and then set course for its second target, the main-belt comet 311P/PANSTARRS. This comet is located in the asteroid belt between Mars and Jupiter.
By analyzing the comet's materials, researchers hope to learn more about the conditions that existed in the early solar system and possibly the origins of water and organic molecules on Earth.
A flyby, or gravity assist, is when a spacecraft passes close enough to a planet or moon to use its gravity for a speed boost. As the spacecraft approaches, it gets pulled in by the planet's gravity, which helps it accelerate.
After swinging around the planet, the spacecraft is flung back out into space, allowing it to change direction and continue on its intended path using less fuel.
BepiColombo, a joint mission by ESA and the Japan Aerospace Exploration Agency, JAXA, will make its sixth flyby of Mercury in January 2025. This maneuver will help the spacecraft enter orbit around Mercury by November 2026. BepiColombo aims to study Mercury's composition, atmosphere and surface geology.
NASA's Europa Clipper mission, which launched in October 2024, will make significant progress on its journey to Jupiter's moon Europa. In March 2025, the spacecraft will perform a flyby maneuver at Mars.
This maneuver will help the spacecraft gain the necessary speed and trajectory for its long voyage. Later in December 2026, Europa Clipper will perform a flyby of Earth, using Earth's gravity to further increase its momentum so it can arrive at Europa in April 2030.
The ESA's Hera mission will also perform a flyby of Mars in March 2025. Hera is part of the Asteroid Impact and Deflection Assessment mission, which plans to study the Didymos binary asteroid system. The mission will provide valuable data on asteroid deflection techniques and contribute to planetary defense strategies.
NASA's Lucy mission will continue its journey to explore the Jupiter Trojan asteroids, which share Jupiter's orbit around the Sun, in 2025. One key event for Lucy is its flyby of the inner main-belt asteroid 52246 Donaldjohanson, scheduled for April 20, 2025.
This flyby will provide valuable data on this ancient asteroid's composition and surface features, which can help researchers gain insights into the early solar system. The asteroid is named after the paleoanthropologist who discovered the famous "Lucy" fossil.
ESA's Jupiter Icy Moons Explorer, or JUICE, mission will perform a Venus flyby in August 2025. This maneuver will help JUICE gain the necessary speed and trajectory for its journey to Jupiter. Once it arrives, JUICE will study Jupiter's icy moons to understand their potential for harboring life.
2025 promises to be a groundbreaking year for space exploration. With NASA's ambitious missions and significant contributions from other countries, we are set to make remarkable strides in humanity's understanding of the universe. These missions will not only advance scientific knowledge but also inspire future generations to look to the stars.
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