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Galileo

All articles tagged with #galileo

science-and-history1 year ago

The Awe of Galileo's Groundbreaking Experiments

A visit to the Galileo Museum in Florence left the author in awe of the historical significance of Galileo's original experiments, which laid the foundation for modern science. The museum showcases artifacts like the inclined plane and telescopes used by Galileo, highlighting the painstaking efforts that led to groundbreaking discoveries in physics and astronomy. The experience underscored the long, complex journey of scientific progress and its impact on shaping a world free from superstition, while also reminding us of our responsibility to build on this legacy in addressing contemporary challenges like climate change.

via Big Think|
#galileo#museum#physics
physics1 year ago

"Novel Approach to Detecting Light Dark Matter Proposed by Scientists"

Scientists have proposed a new method, GALILEO, to detect light dark matter candidates using laser interferometry to measure the oscillatory electric fields generated by these particles. The research focuses on detecting axions and axionlike particles, which are potential light dark matter candidates, known for their low mass and weak interactions with ordinary matter. The proposed GALILEO experiment aims to measure the oscillatory electric fields induced by these particles using an asymmetric Michelson interferometer and electro-optical materials, potentially providing valuable insights into the nature of dark matter.

via Phys.org|
#dark-matter#galileo#laser-interferometry
space2 years ago

EU Partners with SpaceX and Ariane 6 for Galileo Satellite Launches

The European Union (EU) is finalizing a contract with SpaceX to launch four Galileo navigation satellites in 2024. The launches, tentatively scheduled for April and July, will use a pair of Falcon 9 rockets. The EU had been considering non-European rockets due to delays in the Ariane 6 and the retirement of the Ariane 5 and Soyuz. The final obstacle to completing the launch contract is negotiating a security agreement to protect sensitive technologies on the Galileo satellites when they are being prepared for launch from the United States.

via SpaceNews|
#eu#falcon-9#galileo
spaceflight2 years ago

SpaceX Secures Deal to Launch European Navigation Satellites

SpaceX has signed a contract with the European Space Agency to launch up to four Galileo navigation satellites in 2024. The deal calls for the satellites to launch atop Falcon 9 rockets from the US, marking the first time that SpaceX launches EU satellites carrying classified equipment. This agreement comes after Europe ended most of its space cooperation with Russia and the retirement of the Ariane 5 rocket. The European Commission and EU member states still need to give final approval for the deal. Galileo is Europe's equivalent of GPS and currently consists of 23 operational satellites, with plans to have a total of 30 in its final form.

via Space.com|
#european-space-agency#falcon-9#galileo
technology2 years ago

"ESA's Galileo Boosts Speed for All Users"

The European Space Agency (ESA) has announced that Galileo signals now provide a faster first position fix, improved robustness in challenging environments, and streamlined access to time information. This improvement is due to an upgraded navigation message called 'I/NAV', which reduces the time needed for receivers to generate a first position fix and introduces additional redundancy to recover lost or corrupted data. The Galileo System Time is also made available without fully demodulating the navigation message. These enhancements have been successfully tested and are now available to all Galileo FOC satellites in service.

via European Space Agency|
#esa#galileo#improved-performance
astronomy2 years ago

"Saturn Shines Bright: A Spectacular Stargazing Experience Awaited"

Saturn, the sixth planet from the Sun, is known for its beautiful rings. Galileo's observations of Saturn through his telescope revealed its oblong shape and handles, while later astronomers like Huygens and Cassini discovered that the rings were composed of multiple concentric rings made up of small particles of ice. Despite advancements in spacecraft technology, the exact formation and age of the rings remain uncertain. Observing Saturn and its rings is a fascinating experience, as they continue to captivate astronomers and skywatchers alike.

via Castanet.net|
#astronomy#cassini#galileo
space2 years ago

Europe turns to SpaceX and ULA for rocket launches as Ariane 6 faces setbacks.

Delays in Europe's Ariane 6 rocket have caused the European Commission to consider using American launch vehicles such as SpaceX's Falcon Heavy or United Launch Alliance's Vulcan Centaur to launch Galileo GPS satellites. The EU's security concerns surrounding the classified aspects of the spacecraft have so far been minimized as the manufacture and launch of Galileo satellites has been handled entirely in Europe. However, with a backlog of Galileo launches dating as far back as 2017, Falcon Heavy may be poised to fill the gap while the Ariane 6 inches slowly toward its first flight.

via Space.com|
#ariane-6#european-commission#galileo
space2 years ago

Europe Turns to SpaceX as Rocket Woes Continue.

Europe is seeking to negotiate deals with private space companies like SpaceX to launch its Galileo satellites, as the debut of its next-generation Ariane 6 rocket has suffered multiple delays. The rocket was originally scheduled to debut in 2020, but its inaugural flight was recently pushed to the fourth quarter of 2023. Europe has been left with little to no options for getting its satellites to orbit, leaving SpaceX's Falcon 9 rocket as the most viable option for European launches.

via Gizmodo|
#ariane-6#europe#galileo
space2 years ago

EU seeks SpaceX's help as Ariane 6 rocket faces setbacks.

The development of Europe's Ariane 6 rocket has gone over budget and is a decade late to the party, failing even at its most basic task of providing independent access to space. The European Commission is now looking to buy rides on SpaceX's Falcon 9 rocket due to ongoing delays in readiness of the Ariane 6 rocket, which has nearly doubled its development budget to $4.4 billion. The move is a bitter pill to swallow for Europe, which created the Ariane 6 to compete with SpaceX's Falcon 9 rocket.

via Ars Technica|
#ariane-6#european-space-agency#falcon-9