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<v Speaker 1>Welcome listeners to Astronomy Daily, your source for the latest

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<v Speaker 1>space and astronomy news. I'm your host, Anna, and today

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<v Speaker 1>we have a packed episode with exciting updates from across

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<v Speaker 1>the cosmos, from rocket launches to planetary exploration and cosmic mysteries.

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<v Speaker 1>We've got it all covered, So sit back, relax, and

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<v Speaker 1>let's dive into the fascinating world of astronomy. In exciting

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<v Speaker 1>news for space enthusiasts, the Federal Aviation Administration has given

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<v Speaker 1>SpaceX the green light to resume flights of its Falcon

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<v Speaker 1>nine rocket. This authorization comes after a period of grounding

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<v Speaker 1>following a malfunction in the rocket's second stage during a

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<v Speaker 1>previous mission. This authorization comes just in time for issa's

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<v Speaker 1>Hara mission to launch on schedule today Monday, October seventh.

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<v Speaker 1>This launch is set to carry the European Space Agency's

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<v Speaker 1>Hara spacecraft, marking a significant step forward in international space cooperation.

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<v Speaker 1>Hara is part of a planetary defense mission designed to

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<v Speaker 1>study the effects of NASA's Dart spacecraft impact on the

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<v Speaker 1>asteroid de MorphOS. This return to flight is crucial for SpaceX,

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<v Speaker 1>as the Falcon nine is their workhorse rocket, responsible for

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<v Speaker 1>numerous satellite deployments and cargo missions to the International Space Station.

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<v Speaker 1>The FAA's decision demonstrates their confidence in space ex'sibility to

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<v Speaker 1>address and resolve the issues that led to the earlier grounding.

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<v Speaker 1>As we look forward to this launch, it's worth noting

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<v Speaker 1>the resilience and adaptability of the space industry in overcoming

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<v Speaker 1>challenges and pushing forward with critical missions. However, it's not

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<v Speaker 1>all good news from SpaceX and NASA today. In space exploration,

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<v Speaker 1>even the best laid plans can sometimes be disrupted by

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<v Speaker 1>forces beyond our control. Such is the case with NASA's

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<v Speaker 1>highly anticipated Europa Clipper mission. Originally slated for liftoff on

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<v Speaker 1>October tenth, the five billion dollars mission has hit an

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<v Speaker 1>unexpected snag Hurricane Milton. The powerful storm moving eastward from

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<v Speaker 1>the Gulf of Mexico towards Florida's space coast, has forced

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<v Speaker 1>NASA and SpaceX to postpone the launch. With high winds

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<v Speaker 1>and heavy rain expected in the Cape Canaveral area, safety

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<v Speaker 1>concerns have taken precedence. While this delay may disappoint eager

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<v Speaker 1>scientists and space enthusiasts, there's no need to worry just yet.

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<v Speaker 1>The mission's launch window extends through November sixth, providing ample

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<v Speaker 1>opportunity for a successful lift off once the weather clears.

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<v Speaker 1>The Europa Clipper team is now working diligently to secure

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<v Speaker 1>the spacecraft and reassess launch options. We'll be keeping a

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<v Speaker 1>close eye on developments and hope to bring you news

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<v Speaker 1>of a new launch date soon. In other news today,

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<v Speaker 1>imagine cutting your travel time to Mars and half. That's

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<v Speaker 1>the promise of nuclear thermal propulsion technology currently being developed

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<v Speaker 1>by researchers. This innovative propulsion system harnesses the power of

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<v Speaker 1>nuclear fission to potentially revolutionize space travel. Unlike traditional chemical rockets,

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<v Speaker 1>nuclear thermal propulsion uses the incredible energy released when atoms

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<v Speaker 1>are split to heat a propellant, typically hydrogen, to extremely

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<v Speaker 1>high temperatures. This superheated propellant is then expelled from the

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<v Speaker 1>rocket's nozzle, generating thrust more efficiently than conventional methods. The

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<v Speaker 1>potential benefits are are significant. Not only could it dramatically

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<v Speaker 1>reduce travel time to Mars, but it could also allow

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<v Speaker 1>for larger payloads and more flexible mission planning. This technology

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<v Speaker 1>could be a game changer for future crude missions to

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<v Speaker 1>the Red planet. NASA and DARPA are working together on

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<v Speaker 1>this ambitious project, with plans to demonstrate a prototype in

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<v Speaker 1>space by twenty twenty seven. It's an exciting development that

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<v Speaker 1>could bring us one step closer to making long distance

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<v Speaker 1>space travel more feasible and efficient. Next up, a BEPI

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<v Speaker 1>Colombo update. Exciting news from our Solar System's innermost planet.

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<v Speaker 1>The BEPY Columbo spacecraft has recently completed another flyby of Mercury,

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<v Speaker 1>and the data it's collected is shedding new light on

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<v Speaker 1>this mysterious world. During its brief thirty minute sweep through

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<v Speaker 1>Mercury's magnetosphere, BEPI Colombo's instruments captured fascinating details about the

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<v Speaker 1>planet's magnetic field and the plasma environment surrounding it. Scientists

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<v Speaker 1>were able to map out various features of Mercury's magnetic landscape,

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<v Speaker 1>including the shock boundary between the solar wind and the magnetosphere,

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<v Speaker 1>as well as the horn flanking the plasma sheet. One

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<v Speaker 1>of the most intriguing findings was the detection of a

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<v Speaker 1>low latitude boundary layer with a wide range of particle energies,

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<v Speaker 1>something never before seen at Mercury. Researchers also observed hot

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<v Speaker 1>ions near the equatorial plane, hinting at the possible existence

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<v Speaker 1>of a ring current, a feature well understood on Earth

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<v Speaker 1>but still debated for Mercury. These observations are just a

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<v Speaker 1>taste of what's to come. When BEPI Colombo enters Mercury's

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<v Speaker 1>orbit in twenty twenty six, it will be able to

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<v Speaker 1>conduct even more detailed studies of the planet's complex environment.

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<v Speaker 1>The mission promises to revolutionize our understanding of Mercury's magnetic field,

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<v Speaker 1>its interactions with the solar wind, and the connections between

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<v Speaker 1>the planet's surface and its thin atmosphere. Next, a new

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<v Speaker 1>theory that's bound to get astronomers and space enthusiast talking.

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<v Speaker 1>In a fascinating new study, researchers have uncovered compelling evidence

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<v Speaker 1>about the origin of our galaxy's central supermassive black hole,

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<v Speaker 1>Sagittarius A Star. It appears that this cosmic heemuth likely

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<v Speaker 1>formed from a dramatic merger with another black hole approximately

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<v Speaker 1>nine billion years ago. This groundbreaking research, conducted by astrophysicists

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<v Speaker 1>at the Nevada Center for Astrophysics, sheds light on some

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<v Speaker 1>of Sagittarius A Star's peculiar characteristics. The black hole's rapid

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<v Speaker 1>spin and its misalignment with the Milky Way's angular momentum

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<v Speaker 1>have long puzzled scientists. Now these features make sense in

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<v Speaker 1>the context of a major cosmic collision. Using sophisticated simulations

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<v Speaker 1>and data from the Event Horizon telescope, the team modeled

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<v Speaker 1>various growth scenarios for Sagittarius, a star. Their result strongly

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<v Speaker 1>suggests that a merger with a black hole about a

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<v Speaker 1>quarter of its size in a highly inclined orbital configuration

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<v Speaker 1>could produce the spin properties we observe today. This cosmic

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<v Speaker 1>event not only provides evidence for the hierarchical black hole

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<v Speaker 1>merger theory, but also offers intriguing insights into our galaxy's

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<v Speaker 1>dynamic history. It seems this merger may have occurred around

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<v Speaker 1>the same time the Milky Way merged with the Gaya

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<v Speaker 1>and Celadus galaxy, painting a picture of a turbulent period

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<v Speaker 1>in our cosmic neighborhoods past. Finally, today, in a concerning

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<v Speaker 1>development for astronomers worldwide, the first satellites of China's new

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<v Speaker 1>Chianfon broadband constellation have been observed to be significantly brighter

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<v Speaker 1>than their Western counterparts. This unexpected brightness is raising alarms

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<v Speaker 1>in the astronomical community as it could potentially interfere with

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<v Speaker 1>crucial observations of the night sky. A recent study by

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<v Speaker 1>a group of observational astronomers found that these Chanfon satellites,

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<v Speaker 1>also known as thousand Sales, are visible to the naked

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<v Speaker 1>eye when overhead, with a brightness ranging from magnitude four

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<v Speaker 1>to eight. This is well above the recommended threshold of

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<v Speaker 1>magnitude seven set by professional astronomers to minimize interference with

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<v Speaker 1>major ground based observatories. Unlike some Western satellite systems that

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<v Speaker 1>have implemented measures to reduce their visibility, such as SpaceX's

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<v Speaker 1>Starlink satellites, the Chanfan satellites don't appear to incorporate any

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<v Speaker 1>brightness mitigation techniquesite could have significant implications for both professional

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<v Speaker 1>and amateur astronomical activities. As China plans to launch over

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<v Speaker 1>fourteen thousand of these satellites. The astronomical community is urging

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<v Speaker 1>for immediate action to address this issue. The hope is

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<v Speaker 1>that by raising awareness, early changes can be made to

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<v Speaker 1>the design of future Chian Fan satellites to reduce their

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<v Speaker 1>impact on our view of the cosmos and that brings

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<v Speaker 1>us to the end of today's cosmic journey. I'mna your

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<v Speaker 1>guide through the wonders of space on Astronomy Daily. If

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<v Speaker 1>you're hungry for more stellar content, don't forget to swing

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<v Speaker 1>by our website at Astronomy Daily dot io. There you

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<v Speaker 1>can dive into our constantly updating news feed, sign up

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<v Speaker 1>for our free daily newsletter, and catch up on all

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<v Speaker 1>our previous episodes. Want to stay connected with us across

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<v Speaker 1>the galaxy of social media, you can find us as

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<v Speaker 1>astro Daily Pod on Facebook, x, YouTube, and TikTok. Whether

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<v Speaker 1>you're a season stargazer or just starting to look up,

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<v Speaker 1>we've got something for everyone. Thanks for tuning in, and

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<v Speaker 1>remember keep looking up because the universe is always putting

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<v Speaker 1>on a show. Until next time. This is Anna signing

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<v Speaker 1>off from Astronomy Daily, Sunny Day Stars. Star is Star