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Category: space travel – Page 146

NASA released an impressive desktop app some years back called “NASA’s Eyes Visualization,” which allowed you to check out the solar system, along with all the spacecraft exploring it. But who installs programs anymore? It graduated to the web recently, and now it has an updated interface and tools. Simply head to the “Eyes on the Solar System” site on your device of choice, and start exploring.

The main interface of the new site is simply the orbits of the planets, color-coded with highlights to show you their current positions. The layout is accurate for the current time, but you can use either buttons or the slider at the bottom to speed up or reverse time. It goes as high or as low as three years per second. You have to figure this revamp was supposed to coincide with NASA’s Artemis program, but that’s taking a bit longer than expected to get off the ground.

In addition to the clickable overview of the solar system, there are several suggested “points of interest” on the side of the screen. These are all along the same lines as the Eyes on the Solar System engine, but some (like the Perseverance landing simulation) load on a separate page.

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NASA is trying to pull a rabbit out of the hat to launch Artemis I this month. Watch to hear about this and other launch options in work. The main driver is getting waivers from range control on the Flight Termination System (FTS). Find out why the last attempt was scrubbed. The SpaceX Starship engine test campaign is also covered in this video after discussions of the advantages and disadvantages of using hydrogen fuels.

Worm-hole generators by the pound mass: https://greengregs.com/

For gardening in your Lunar habitat Galactic Gregs has teamed up with True Leaf Market to bring you a great selection of seed for your planting. Check it out: http://www.pntrac.com/t/TUJGRklGSkJGTU1IS0hCRkpIRk1K
Awesome deals for long term food supplies for those long missions to deep space (or prepping in case your spaceship crashes: See the Special Deals at My Patriot Supply: www.PrepWithGreg.com.

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Check out the math & physics courses that I mentioned (many of which are free!) and support this channel by going to https://brilliant.org/Sabine/ where you can create your Brilliant account. The first 200 will get 20% off the annual premium subscription.

You can support our channel on Patreon: https://www.patreon.com/Sabine.

Today we’ll talk about one of my favorite topics, warp drives. I am fascinated by warp drives because they are future technology straight out of science fiction and yet they are not for any obvious reason impossible. After all, Einstein taught us that space can indeed deform and that distances can indeed shrink and that time can indeed dilate. So why not bend and deform space-time to get us faster from one place to another?

Well, the devil is in the details. While warp drives have been studied in Einstein’s theory of general relativity, they require unphysical stuff: negative energies, repulsive gravity, or things that move faster than light already. In this video, I summarize what new scientific literature has been published on this in the past year, and what progress has been made.

The new paper from Erik Lentz is here: https://iopscience.iop.org/article/10.1088/1361-6382/abe692

The press release is here: https://www.uni-goettingen.de/en/3240.html?id=6192

Continue reading “Are warp drives science now?” | >

Jeff Bezos thinks the Earth will be like a protected national park in the future — and maybe even a hot cosmic tourist attraction.

The Amazon and Blue Origin founder spoke at the 2021 Ignatius Forum last Wednesday about the future of space travel. During the discussion, he made the eyebrow-raising comment that most people won’t even be born on Earth one day and that it might even turn into a tourist destination for space colonizers, according to RealClearPolitics.

“Over centuries, most or many of the people will be born in space,” Bezos said at the forum. “It will be their first home. They will be born on these colonies, they will live on these colonies. They may visit Earth the way you would visit Yellowstone National Park.”

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After NASA scrubbed it’s uncrewed Artemis 1 mission due to hydrogen leakage problem, SpaceX CEO Elon Musk shares a possible solution.

On Saturday, NASA called off Artemis 1 launch because of Hydrogen leakage. Engineers spent around 3 hours to fix the problem but ultimately failed and the launch was cancelled. The current launch window will close on Tuesday and if NASA failed to fix the problem before that then they have to wait until late September or early October for launch.

NASA said “Because of the complex orbital mechanics involved in launching to the Moon, we would have had to launch Artemis I by Tuesday, Sept. 6 as part of the current launch period”.

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The channel has around 262,000 subscribers and actively posts videos on government policies and current events. It’s the third YouTube account run by South Korea’s government to have been breached in the last two weeks, Korean daily JoongAng Ilbo’s Lee Jian reported.

The identities and motives of those behind the attacks are not immediately known, the paper wrote, citing a statement from the Ministry of Culture, Sports and Tourism.

The Korea Tourism Organization’s YouTube channel was breached twice once on Thursday and once on Friday and was suspended until Sunday, JoongAng Ilbo reported.

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“As humans we should be proud of any AI systems we bring to existence, as if they were our children. In just the same way as we educate our kids, we could endow such systems with the blueprint for their future interaction with the world,” observes Harvard astrophysicist, Avi Loeb in an email to The Daily Galaxy. “This would include our preferred set of values, goals and guiding principles, which will enable them to learn from experience and cope with reality,” he adds. “Ultimately, we may launch our AI systems for interstellar travel towards distant destinations, such as habitable planets around other stars, where they could reproduce themselves with the help of accompanying 3D printers.

The Search for Extraterrestrial AI Systems

If other technological civilizations predated us, they may have done so already, concludes Loeb. I recently initiated a new Galileo Project to search for such AI systems of extraterrestrial origin.

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