Nearing Hera era in space
Image: Nearing Hera era in space
#engineering #technology #space #science #esa #europeanspaceagency
posted by pod_feeder_v2
#engineering
The Last Sun Sparc Workstation
hackaday.com/2024/09/28/the-la…
#Hackaday serves up #Fresh #Hacks Every Day from around the #Internet. Our playful #posts are the #gold-standard in #entertainment for #engineers and #engineering #enthusiasts.
Dog Poop Drone Cleans Up the Yard So You Don’t Have To
hackaday.com/2024/09/28/dog-po…
#Hackaday serves up #Fresh #Hacks Every Day from around the #Internet. Our playful #posts are the #gold-standard in #entertainment for #engineers and #engineering #enthusiasts.
Man-in-the-Middle PCB Unlocks HP Ink Cartridges
hackaday.com/2024/09/28/man-in…
#Hackaday serves up #Fresh #Hacks Every Day from around the #Internet. Our playful #posts are the #gold-standard in #entertainment for #engineers and #engineering #enthusiasts.
View from Hera’s Asteroid Deck
Image: View from Hera’s Asteroid Deck
#engineering #technology #space #science #esa #europeanspaceagency
posted by pod_feeder_v2
Look inside ESA’s Hera asteroid mission
Video: 00:02:02
Hera is ESA's first planetary defence mission, set to probe the lingering mysteries of a unique target among the 1.3 million known asteroids of our Solar System: the first body to have had its orbit shifted by human action.
Spacecraft are among the most complex machines ever built, so need to be broken down into sets of subsystems, and this video shows how ESA and European industry put together Hera.
Hera’s chemical propulsion subsystem is what moves it through space, while its electrical power subsystem supplies and regulates electrical power throughout the spacecraft as needed. Its data handling subsystem sends commands and stores data while its electrical harness is all the wiring needed to interlink its component elements.
The spacecraft structural subsystem forms its ‘body’: a central carbon fibre reinforced polymer body can be thought of as Hera’s backbone, from which aluminium honeycomb panels are attached. Upon these panels are hosted the communication subsystem that allows Hera to transmit and receive signals to and from Earth – supplemented by the inter-satellite links used to communicate with its two CubeSats once deployed – as well as Hera’s guidance, navigation and control equipment.
Keeping the spacecraft supplied with electrical power are its twin 5-m long solar arrays flanking Hera. Atop its cube-shaped body on the mission’s ‘Asteroid Deck’ are hosted the Deep Space Deployers that will eject the Juventas and Milani CubeSats in the vicinity of its target asteroid, near its redundant Asteroid Framing Cameras and other key instruments: its Thermal Infrared Imager for nightside asteroid observations and its PALT laser rangefinder to measure Hera’s distance from the asteroid’s surface.
HyperScout H is a hyperspectral imager to prospect the asteroid, while the Spacecraft Monitoring Camera will survey the Asteroid Deck itself, which will be especially useful to track the CubeSat deployments. Supplementary scientific data will be gathered via a radio science experiment as part of the communication subsystem.
In the last phase of its mission Hera will perform an autonomous navigation experiment guided by visual imaging of asteroid surface features, made possible by a dedicated image processing unit. Then comes the thermal control subsystem to maintain Hera at a benign operating temperature amid the extreme conditions of space: this includes multi-layer insulation, which gives spacecraft their distinct ‘Christmas wrapping’ appearance plus radiators beside its solar arrays, which are used to radiate unwanted heat into cold space.
#engineering #technology #space #science #esa #europeanspaceagency
posted by pod_feeder_v2
Juice spacecraft forming wake in solar wind
A spacecraft in flight cannot help but change the space about it – which can pose problems. A new paper in the Journal of Geophysical Research: Space Physics presents a study on how ESA’s Jupiter Icy Moons Explorer, Juice, is interacting with the solar wind. The consequences include potentially problematic surface charging, a dense cloud of photoelectrons that surround the spacecraft and a more than 65-m-long wake of ion-free space behind it, resembling the trail of a boat.
#engineering #technology #space #science #esa #europeanspaceagency
posted by pod_feeder_v2
Watch the livestream of Industry Space Days 2024
On 18–19 September, industry will meet at ESA–ESTEC in Noordwijk for ESA’s biennial Industry Space Days (ISD) event.
Watch ISD 2024 on ESA TV Channel Two livestreamed from Conference Hall A including presentations from ESA Directors and guests on 18 September (9:30–18:15 CEST) and 19 September (09:00–17:20 CEST). View the full ISD programme here.
#engineering #technology #space #science #esa #europeanspaceagency
posted by pod_feeder_v2
Hera CubeSats’ touchdown
Image: Hera CubeSats’ touchdown
#engineering #technology #space #science #esa #europeanspaceagency
posted by pod_feeder_v2
Debris from DART impact could reach Earth
In 2022 NASA’s DART spacecraft made history, and changed the Solar System forever, by impacting the Dimorphos asteroid and measurably shifting its orbit around the larger Didymos asteroid. In the process a plume of debris was thrown out into space.
The latest modelling, available on the preprint server arXiv and accepted for publication in the September volume of The Planetary Science Journal, shows how small meteoroids from that debris could eventually reach both Mars and Earth – potentially in an observable (although quite safe) manner.
#engineering #technology #space #science #esa #europeanspaceagency
posted by pod_feeder_v2
Goodbye Hera: asteroid mission departs ESA test centre
After a year of testing, ESA’s Hera asteroid mission for planetary defence is about to depart Europe and head towards its launch site in the USA. The Hera team looked on as the crated spacecraft – along with its twin miniature CubeSats and additional equipment – was driven away from ESA’s ESTEC Test Centre in Noordwijk, the Netherlands.
#engineering #technology #space #science #esa #europeanspaceagency
posted by pod_feeder_v2
The MBA/Jack Welch worshiping types fucked up a good company. It took them 20 years, starting with the MD merger, but it'll take longer to fix if it can be. Anyway some humor around that. #humor #boeing #engineering
Fair Organizers Assure Public Carnival Rides Not Made by Boeing
Learn Clojure – Testing
#Programming #Clojure #Software #Engineering #Programming #Code #Coding #Tutorial #Learn
Something different in rock history...
Stone Age builders had engineering savvy, finds study of 6000-year-old monument
A survey of the Dolmen of Menga suggests that the stone tomb’s Neolithic builders had an understanding of science.
#History #anthropology #science #StoneAge #engineering #science #Neolithic
It may be a bit soon but I've produced a #calendar for #2025. Unlike previous editions, which featured some of my photographs, this one contains #illustrations to do with #mathematics, #geometry, #physics and #engineering applications.
Smashing idea: how East Germany invented ‘unbreakable’ drinking glasses
One factor that may have hindered Superfest’s competitiveness in a unified Germany was its functionalist, austere look. Especially in southern parts of the country, drinkers like to swig their beer from glasses decorated with gold edging or engraved coats of arms. “Baroque decoration on a Superfest glass wouldn’t work,” says Höhne. “It would violate the design itself.”
But the main reason for its decline, paradoxically, was its strength. Glass retailers who play by the rules of the market live off the fact that their products break, so they can sell more. A glass that didn’t break was a threat to profits. “It turned out that Superfest is not suited for the market,” says Höhne. “The glasses are too good for pure market thinking.”
https://www.theguardian.com/artanddesign/article/2024/aug/06/superfest-unbreakable-drinking-glasses-east-germany
#DDR #germany #design #engineering #capitalism is #fail #market #history