The "Science and Space" Thread #2

ekim68

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Relativity Space's reusable Terran R rocket can be 3D-printed in 60 days


3D printing has come to play a significant role in modern rocket construction, with key players like Rocket Lab, NASA and SpaceX all leaning on the technology in producing their spacecraft. Startup Relativity Space is now coming to the party with its freshly unveiled Terran R rocket, which it describes as an entirely 3D-printed launch vehicle that can be created from raw materials in 60 days, and which is fully reusable.
 

ekim68

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Toshiba breaks quantum communication record with 600 km of optical fibers


A quantum internet could one day allow quantum computers to team up and tackle some gigantic problems. Now the world is a step closer to that reality, as researchers at Toshiba have demonstrated quantum communications sent over a record-breaking 600 km (373 miles) of optical fiber.

In traditional computers, information is encoded in bits represented as either a zero or one. But in quantum computers, information is encoded in quantum bits (or qubits) that can be either, or both at the same time. That drastically expands their potential computing power, meaning they could tackle problems beyond the scope of regular computers.
 

ekim68

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Astronomers discover dying echoes of a supermassive black hole


Japanese astronomers have discovered the echoes of a “dying” supermassive black hole. While the object is quiet now, the team spotted the signatures of two huge radio jets that indicate it only recently fell silent after a bright, active phase.

It’s thought that supermassive black holes lurk at the center of most galaxies. Some of them are more outgoing than others – the one at the heart of our own Milky Way, for instance, is pretty calm. But others work overtime, throwing off huge amounts of light and radiation as they chow down on matter. These are known as active galactic nuclei (AGN), or quasars if they’re particularly bright.
 

ekim68

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First view of Nasa's assembled 'megarocket'



Nasa has assembled the first of its powerful Space Launch System (SLS) rockets, which will carry humans to the Moon this decade.

On Friday, engineers at Florida's Kennedy Space Center finished lowering the 65m (212ft) -tall core stage in-between two smaller booster rockets.

It's the first time all three key elements of the rocket have been together in their launch configuration.

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ekim68

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Scientist map the boundary of interstellar space for the first time


As a massive bubble encasing the solar system that stretches across tens of billions of miles and protects us from harmful interstellar radiation, there is a lot for us to learn about the heliosphere. Scientists have uncovered some new details around this complex patch of the universe, by producing the first ever map of its boundary, where solar winds are brought to a stop by the interstellar medium.

The groundbreaking map was produced by scientists at Los Alamos National Laboratory (LANL), who tapped into a decade's worth of data collected over an entire solar cycle between 2009 and 2019. This intel was gathered by NASA’s Earth-orbiting Interstellar Boundary Explorer (IBEX) satellite, which was launched in 2008 with the intention of studying the interactions between the interstellar medium and solar winds that emanate outwards from the Sun at up to one million mph (1.6 million km/h).

 

ekim68

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World's first wooden satellite to launch later this year


A first-of-a-kind spacecraft is set to make history later this year, but will do so using materials you could find at your local hardware store. The world's first wooden satellite will enter orbit as a box made largely of birch plywood, which will be packed with sensors from the European Space Agency (ESA) to study the potential of the material in space.
 

ekim68

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'Divine Vessel' rocket launches China's first human spaceflight since 2016


JIUQUAN, China — A Chinese rocket blasted off from a launch pad in the Gobi Desert on Thursday, sending three astronauts on a historic mission to an orbiting space station China is building.

Fire and huge clouds of dust could be seen in the distance when the Long March-2F rocket carrying the Shenzhou-12 capsule roared away from the Jiuquan Satellite Launch Center, as China’s space race with the United States and Russia continues to gather pace.
 

ekim68

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NASA Struggles to Fix Failure of Hubble Space Telescope’s 1980s Computer


NASA continues to work on resolving an issue with the payload computer on the Hubble Space Telescope. The operations team will be running tests and collecting more information on the system to further isolate the problem. The science instruments will remain in a safe mode state until the issue is resolved. The telescope itself and science instruments remain in good health.
The payload computer is a NASA Standard Spacecraft Computer-1 (NSSC-1) system built in the 1980s that is located on the Science Instrument Command and Data Handling unit. The computer’s purpose is to control and coordinate the science instruments and monitor them for health and safety purposes.
 

ekim68

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Extremely eccentric minor planet to visit inner solar system this decade


The outskirts of our solar system is teeming with mysterious objects – and now one of them is heading our way. Astronomers have discovered a minor planet that’s about to make its closest pass to the Sun on its 600,000-year orbit.

The object in question is designated 2014 UN271, and it was only recently identified in data from the Dark Energy Survey captured between 2014 and 2018. Size estimates place it anywhere between 100 and 370 km (62 and 230 miles) wide. If it’s a comet, it’s quite a big one, especially for one coming from the outer solar system.
 

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