KREUZADER (Posts tagged space)

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“On July 11, the Juno spacecraft once again swung near to Jupiter’s turbulent cloud tops in its looping 53 day orbit around the Solar System’s ruling gas giant. About 11 minutes after perijove 7, its closest approach on this orbit, it passed directly...

On July 11, the Juno spacecraft once again swung near to Jupiter’s turbulent cloud tops in its looping 53 day orbit around the Solar System’s ruling gas giant. About 11 minutes after perijove 7, its closest approach on this orbit, it passed directly above Jupiter’s Great Red Spot. During the much anticipated fly over, it captured this close-up image data from a distance of less than 10,000 kilometers. The raw JunoCam data was subsequently processed by citizen scientists. Very long-lived but found to be shrinking, the Solar System’s largest storm system was measure to be 16,350 kilometers wide on April 15. That’s about 1.3 times the diameter of planet Earth.

Source: apod.nasa.gov
jupiter juno nasa space
“Images of Jupiter’s Great Red Spot reveal a tangle of dark, veinous clouds weaving their way through a massive crimson oval. The JunoCam imager aboard NASA’s Juno mission snapped pics of the most iconic feature of the solar system’s largest...

Images of Jupiter’s Great Red Spot reveal a tangle of dark, veinous clouds weaving their way through a massive crimson oval. The JunoCam imager aboard NASA’s Juno mission snapped pics of the most iconic feature of the solar system’s largest planetary inhabitant during its Monday (July 10) flyby. The images of the Great Red Spot were downlinked from the spacecraft’s memory on Tuesday and placed on the mission’s JunoCam website Wednesday morning.

Source: nasa.gov
jupiter nasa space juno
“The first-ever mission to demonstrate an asteroid deflection technique for planetary defense – the Double Asteroid Redirection Test (DART) – is moving from concept development to preliminary design phase, following NASA’s approval on June...

The first-ever mission to demonstrate an asteroid deflection technique for planetary defense – the Double Asteroid Redirection Test (DART) – is moving from concept development to preliminary design phase, following NASA’s approval on June 23.

[…]

The target for DART is an asteroid that will have a distant approach to Earth in October 2022, and then again in 2024. The asteroid is called Didymos – Greek for “twin” – because it’s an asteroid binary system that consists of two bodies: Didymos A, about one-half mile (780 meters) in size, and a smaller asteroid orbiting it called Didymos B, about 530 feet (160 meters) in size. DART would impact only the smaller of the two bodies, Didymos B.

[…]

After launch, DART would fly to Didymos, and use an on-board autonomous targeting system to aim itself at Didymos B. Then the refrigerator-sized spacecraft would strike the smaller body at a speed about nine times faster than a bullet, approximately 3.7 miles per second (6 kilometers per second). Earth-based observatories would be able to see the impact and the resulting change in the orbit of Didymos B around Didymos A, allowing scientists to better determine the capabilities of kinetic impact as an asteroid mitigation strategy.

Source: nasa.gov
planetary defense asteroid space nasa

On the morning of July 17th, the Luxembourg-based satellite operator SES lost control of a large satellite in geostationary space, nearly 36,00km above the Earth’s surface. Shortly after, the satellite operator began working with another company that specializes in space situational awareness to track its drifting satellite, AMC-9. Then a few days ago that company, ExoAnalytic Solutions, began seeing the AMC-9 satellite fragment.

satellite space

Scientists at NASA and Stanford have developed a prototype robot that can grip objects in space, the same way a gecko sticks to walls. Such a robot could be a critical tool for grabbing and relocating space trash, helping to clean up Earth orbit and make it much safer for space travel.

The robot capitalizes on the same concept that geckos use to climb. The animal’s feet aren’t actually sticky; they’re covered in thousands of microscopic hairs that, together, act like a flexible adhesive. To imitate gecko feet, the robot has special pads outfitted with thousands of tiny silicone rubber hairs, which are 10 times smaller than the hairs on your head. This allows the robot to use the same forces to “grab” simply by placing its pads on an object’s surface.

Source: theverge.com
nasa space
The First Space-Based ‘Nation’ Wants to Store Data Off-Planet, Beyond the Law“‘Asgardia’ plans to launch a data storage satellite beyond the reach of Earthly laws—an ambitious and problematic goal. […] Asgardia-1 will also contain internal and...

The First Space-Based ‘Nation’ Wants to Store Data Off-Planet, Beyond the Law

‘Asgardia’ plans to launch a data storage satellite beyond the reach of Earthly laws—an ambitious and problematic goal.

[…]

Asgardia-1 will also contain internal and external particle detectors “to determine the radiation dosing that the internal electronics are receiving,” says the filing. The mission is intended to “demonstrate long term storage of data in low earth orbit”, although the satellite itself will remain aloft for only five years before atmospheric friction drags it down and burns it up.

The prospect of storing data in orbit, far from the eyes—and laws—of terrestrial nation states, could prove attractive to anyone wanting the ultimate digital vault. Others have tried similar schemes here on Earth: For eight years, a data haven known as HavenCo operated from Sealand—a self-declared sovereign principality housed in a World War II defensive facility, six miles off the coast of England. It offered supposedly secure storage of data that might have been illegal in other countries, such as online gambling websites or secret corporate records. HavenCo went offline in 2008 after legal and financial troubles.

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Source: Vice Magazine
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