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  1. Replies
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    A NASA video on the planned sampling mission. ...

    A NASA video on the planned sampling mission.

    NASA’s Asteroid Heist: The Challenges of TAG - YouTube


    Touching down to take a sample yesterday.
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    The sampling device
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    Watch NASA TV NASA Television | NASA...

    Watch NASA TV

    NASA Television | NASA

    Mostly OSIRIS-Rex but at this moment life on Venus.
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    There is something that confuses me. Tesla is...

    There is something that confuses me. Tesla is moving away from pressing sheet metal in form and welding them to subassemblies. They plan to die cast whole subassemblies, the whole front part and the...
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    Tell me you are kidding. That would be a...

    Tell me you are kidding. That would be a perpetual motion machine. You need to put that energy in to split the water.
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    Very easy to do. Just pour a shitton of electric...

    Very easy to do. Just pour a shitton of electric power on it.
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    Hydrogen is the power of the future. It was 40...

    Hydrogen is the power of the future. It was 40 years ago and it will be 40 years from now. It will never be the energy of the present. It is extremely inefficient. Presently it is made from fossil...
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    That's why I don't like the original O'Neill...

    That's why I don't like the original O'Neill cylinder concept and used the term "derived". It has 2 connected cylinders to cancel out inertia along the rotation axles. They needed it back then so...
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    Tesla has long term contracts with prime...

    Tesla has long term contracts with prime suppliers hard to match for legacy auto makers. They move into lithium mining, they move into making their own advanced batteries. T
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    If you want to see a company hemorraging money...

    If you want to see a company hemorraging money just look at GM. Tesla is expanding rapidly both in the car business and energy. They get carbon credits. Selling them is business. In Europe Fiat is...
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    Ah! The classic, a von Braun space wheel. ...

    Ah! The classic, a von Braun space wheel.

    Today the O#Neill cylinder derived types are more popular among fans. They have their own drawbacks.


    O'Neill cylinder - Wikipedia


    58775
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    Something I am very interested in. I am not a fan...

    Something I am very interested in. I am not a fan of artificial gravity. It comes with major drawbacks for a spaceship. Like problems with orientation in space for thermal management and solar panels...
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    They don't have to. There must be still a number...

    They don't have to. There must be still a number of decent people in the Republican Party. People who can be swayed to at least not vote Trump.
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    With rocket launches sound is usually impressive....

    With rocket launches sound is usually impressive. However in this case I agree, off is way better.
  14. Replies
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    Someone did some calculations. Knowing the...

    Someone did some calculations. Knowing the precise launch time of a rocket and knowing the position of the sun he found a location from where he could catch the rocket passing in front of the sun....
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    Plain scary. A rambling geriatric.

    Plain scary. A rambling geriatric.
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    Looking forward to the first polls after Trumps...

    Looking forward to the first polls after Trumps covid infection. Will he have a sympathy bonus and will it last until election day?
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    Hopefully to replace them with more covid pointed...

    Hopefully to replace them with more covid pointed ads.
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    President Trump infected? Probably just fake...

    President Trump infected? Probably just fake news. He is trying to dodge another debate with Biden.

    :)
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    There is always the capsule they came up with. It...

    There is always the capsule they came up with. It stays docked until they go back. Usually down with the same capsule they came up with. Sometimes, when one astronaut stays longer than the usual 6...
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    There is always enough seat capacity in capsules...

    There is always enough seat capacity in capsules docked at the ISS. Meteor showers have their pieces wide spread. It is not that one would leave the ISS perforated. The ISS may become uninhabitable...
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    That first test was inconclusive. They could not...

    That first test was inconclusive. They could not pin down the source. But recently the loss rate increased and they repeated the test. There was some mention of it during yesterdays Commercial Crew...
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    The milky way and luminescent algae. ...

    The milky way and luminescent algae.

    Bioluminescent algae and the milky way rising over South Arm, Tasmania...I believe the ISS is also present just to the right above the clouds! [OC] : space
    ...
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    The upper tank dome burst. A closeup picture...

    The upper tank dome burst. A closeup picture after the event.

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    BTW the motors driving the aerosurfaces and the...

    BTW the motors driving the aerosurfaces and the batteries driving the motors are off the shelf Tesla products.

    Note that this is the second stage and does not have the cargo section yet, only the...
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    A photo of SN8 with one aerosurface already...

    A photo of SN8 with one aerosurface already installed.

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    Operations at Boca Chica continue at breakneck speed. Presently they are building the orbital launch pad for the full Starship...
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    Next will be Starship SN8. This one is intended...

    Next will be Starship SN8. This one is intended to do the first flight to higher altitude, 20km, then fall down in a horizontal position, stabilized by 4 aero surfaces, until it turns vertical for...
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    A nice pop of a test tank last night. They have...

    A nice pop of a test tank last night. They have tested their build SN7.1 to intentional destruction. We are now waiting and hoping that Elon Musk will reveal the pressure that was reached when it...
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    NASA is taking this quite seriously....

    NASA is taking this quite seriously. Administrator Jim Bridenstine is talking about possible probes to send to Mars.

    There is speculation that microbes were brought to Venus by Soviet Venera...
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    I like th aurora.

    I like th aurora.
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    It is the same engine, the Raptor. Maybe with...

    It is the same engine, the Raptor. Maybe with some minor modifications. The difference is the big nozzle. It makes it much more efficient in vacuum.
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    Vacuum engines are big. On the left the sea level...

    Vacuum engines are big. On the left the sea level version, on the right the newly released first picture of a vac engine. They will probably go even bigger in the future. Just for some gain of...
  32. :rofl::rofl::rofl:

    :rofl::rofl::rofl:
  33. Yes, it is totally clear. They send the signal to...

    Yes, it is totally clear. They send the signal to the opposition. Open your mouth and you are dead. Making it obvious by using an agent only they have access to. And then deny it. People like you lap...
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    Very many doubt it is achievable. Especially the...

    Very many doubt it is achievable. Especially the convincing the FAA part.
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    That's ok. They only need 1 million people who...

    That's ok. They only need 1 million people who want to go to Mars. Though if things go well, there will also be flights LA-Shanghai and other routes available. Business class price for 30 minutes...
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    The dents disappear the moment it is pressurized....

    The dents disappear the moment it is pressurized. They reappear when the pressure is gone. They are still working on the welding methods and parameters. But steel this thin will always have some...
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    The one on the photo is 301 stainless steel. For...

    The one on the photo is 301 stainless steel. For the latest build they switched to 304L. All off the shelf stuff the steel mills produce as standard products. Pretty much the stuff they make...
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    Factoid. The tank walls of the new SpaceX...

    Factoid.

    The tank walls of the new SpaceX Starship is 4mm. If you scale up a beer can to that size its wall thickness would be near 40mm. 8-10 times that.

    Actually the calculation was done with...
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    SpaceX has launched the argentinian satellite...

    SpaceX has launched the argentinian satellite SAOCOM-1B. This flight has a lot of extraordinary events.

    It is flight 100 of the Falcon rocket. A lot more than the total flights of ULA. Approaching...
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    More like incredulity

    More like incredulity
  41. Replies
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    An update on the Mars missions. The probes are...

    An update on the Mars missions. The probes are all on their way and quite close together on interplanetary scale. Still huge distances.

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    All 4 probes are in the magenta square.

    Some...
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    The confinement has ended. The result is...

    The confinement has ended. The result is inconclusive. None of the isolated modules has registered unusual losses. So either the loss was due to false measurements or it is the result of adding up a...
  43. Does he have any friends? Even the Chinese?

    Does he have any friends? Even the Chinese?
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    A beautiful video of catching a fairing half...

    A beautiful video of catching a fairing half after coming down from space. It almost looks like bad CGI, too smooth to be real. But it is real.

    Ms. Tree Catches a Fairing Half - YouTube

    It is...
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    It is a very minor issue, unlike the hole in a...

    It is a very minor issue, unlike the hole in a Soyuz. It has actually been known for over a year but they were too busy to do anything about it. Right now they have found the time. They close all...
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    I don't fully agree, ............ yet. Accidents...

    I don't fully agree, ............ yet. Accidents do happen.

    If the electorate however gets fooled a second time, with things like QAnon and the shehanigans with absentee voting, I will agree.
  47. Germany has sent an ambulance plane and a team of...

    Germany has sent an ambulance plane and a team of doctors. Let's see if they let him go.
  48. Thread: The Twins

    by Takeovers
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    Congratulations too. And many more returns.

    Congratulations too. And many more returns.
  49. I don't think getting the short very early is a...

    I don't think getting the short very early is a concern. It will go to selected groups like medical staff first, then maybe teachers. Once available to the general public I would take it. I am not...
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    There are plans for a number of other...

    There are plans for a number of other constellations.

    For sure China is planning one.

    Amazon has very recently received a FCC license for their constellation called Kuiper. They plan to invest...
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