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Scaling up ESA’s asteroid facilities
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By European Space Agency
Asteroid 2024 YR4 made headlines earlier this year when its probability of impacting Earth in 2032 rose as high as 3%. While an Earth impact has now been ruled out, the asteroid’s story continues.
The final glimpse of the asteroid as it faded out of view of humankind’s most powerful telescopes left it with a 4% chance of colliding with the Moon on 22 December 2032.
The likelihood of a lunar impact will now remain stable until the asteroid returns to view in mid-2028. In this FAQ, find out why we are left with this lingering uncertainty and how ESA's planned NEOMIR space telescope will help us avoid similar situations in the future.
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By European Space Agency
The European Space Agency’s (ESA) newest planetary defender has opened its ‘eye’ to the cosmos for the first time. The Flyeye telescope’s ‘first light’ marks the beginning of a new chapter in how we scan the skies for new near-Earth asteroids and comets.
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By NASA
NASA’s Glenn Research Center in Cleveland provides ground test facilities to industry, government, and academia specializing in the following:
Acoustics Engine Components Testing Full-Scale Engine Testing Flight Research Icing Research Materials and Structures Microgravity Space Power and Propulsion Wind Tunnels Electromagnetic Interference Laboratory Our unique facilities offer superior customer service, flexible scheduling, and state-of-the-art testing capabilities.
Facility Request Process
Customer contacts the facility manager and/or submits a test request form. See below for the Facility Request Form. The facility manager will contact the customer to discuss the request and obtain detailed test requirements. After test requirements and schedule are finalized, the facility manager will provide a high-fidelity cost estimate for review and prepare a formal agreement for signature. Once the agreement is signed by both NASA Glenn and the customer, and the work is funded, the test execution may begin per the agreement. If you need further information about our facility capabilities or the general testing process, please complete the form below to have your inquiry answered or contact Michael McVetta at 216-433-2832.
Facility Request Form
If you are considering testing in one of our facilities or would like further information about a specific facility or capability, please let us know:
* indicates a required field
Name* First Last Organization*Work Phone*Work Email* Facility*If you are not sure of the facility you need, simply indicate that below. I'm not sure10×10 Supersonic Wind Tunnel1×1 Supersonic Wind Tunnel8×6 Wind Tunnel9×16 Wind Tunnel2.2 Second Drop TowerAero-Acoustic Propulsion LaboratoryAdvanced Subsonic Combustion RigCombined Effects ChamberElectric Propulsion LaboratoryElectric Propulsion Research BuildingElectromagnetic Interference LaboratoryEngine Research Building and Related FacilitiesFlight Research BuildingHypersonic Tunnel FacilityIcing Research TunnelIn-Space Propulsion FacilityPropulsion Systems LaboratoryStructural Dynamics LaboratoryStructural Static LaboratoryZero Gravity Research FacilityAdditional CommentsNameThis field is for validation purposes and should be left unchanged. View the full article
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By NASA
The asteroid Donaldjohanson as seen by the Lucy Long-Range Reconnaissance Imager (L’LORRI). This is one of the most detailed images returned by NASA’s Lucy spacecraft during its flyby. This image was taken at 1:51 p.m. EDT (17:51 UTC), April 20, 2025, near closest approach, from a range of approximately 660 miles (1,100 km). The spacecraft’s closest approach distance was 600 miles (960 km), but the image shown was taken approximately 40 seconds beforehand. The image has been sharpened and processed to enhance contrast.NASA/Goddard/SwRI/Johns Hopkins APL/NOIRLab NASA’s Lucy spacecraft took this image of the main belt asteroid Donaldjohanson during its flyby on April 20, 2025, showing the elongated contact binary (an object formed when two smaller bodies collide). This was Lucy’s second flyby in the spacecraft’s 12-year mission.
Launched on Oct. 16, 2021, Lucy is the first space mission sent to explore a diverse population of small bodies known as the Jupiter Trojan asteroids. These remnants of our early solar system are trapped on stable orbits associated with – but not close to – the giant planet Jupiter. Lucy will explore a record-breaking number of asteroids, flying by three asteroids in the solar system’s main asteroid belt, and by eight Trojan asteroids that share an orbit around the Sun with Jupiter. April 20, 2025 marked Lucy’s second flyby. The spacecraft’s next target is Trojan asteroid Eurybates and its satellite Queta in Aug. 2027.
Lucy is named for a fossilized skeleton of a prehuman ancestor. This flyby marked the first time NASA sent a spacecraft to a planetary body named after a living person. Asteroid Donaldjohanson was unnamed before becoming a target. The name Donaldjohanson was chosen in honor of the paleoanthropologist who discovered the Lucy fossil, Dr. Donald Johanson.
Learn more about Lucy’s flyby of asteroid Donaldjohanson.
Image credit: NASA/Goddard/SwRI/Johns Hopkins APL/NOIRLab
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