lb3 said:

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will25u said:

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JWST vs older satellites.

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I hope they can find a way to eliminate the ugly starburst in all the JWST images. Hopefully it's just an aperture setting and not from the hex mirror segments.

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aTmAg said:

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lb3 said:

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will25u said:

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JWST vs older satellites.

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I hope they can find a way to eliminate the ugly starburst in all the JWST images. Hopefully it's just an aperture setting and not from the hex mirror segments.

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They are from arms that hold the 2ndary mirror. They are unavoidable. The longer it looks the more pronounced they are. These pictures are probably from trying to see far ass stars with brighter ones in the foreground. The exposure is too long for those bright ones.

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Ag_of_08 said:

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All reflectors do it, just part of having one. I do astrophotography with a reflector, you can diminish them with post processing to a point. A refractor won't do it, but a refractor in that scale would be the size of starship

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SpaceX takes a massive leap forward in Starship's development, on a historic anniversary in US spaceflight.

Watch the highlights of today's SN15 flight test in South Texas:https://t.co/QX9P6d14mt #SpaceX #Starship #SN15 pic.twitter.com/vXxKxDS8cb

— Michael Sheetz (@thesheetztweetz) May 5, 2021

License granted: Space Exploration Technologies Corp. @SpaceX
Dates: 05/21/2022-11/21/2022
Purpose: Experimental orbital demo and recovery test of the Starship test vehicle. Let’s go!!!! pic.twitter.com/2uLDC3emYs

— Tesla Owners Silicon Valley (@teslaownersSV) May 7, 2022

Decay said:

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FCC? That wasn't the hold up was it?

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Quote:

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On April 29th, a SpaceX fan turned analyst published an analysis that convincingly pinpointed the moment Booster 7's transfer tube collapsed. Simultaneously, because it showed that the transfer tube likely imploded during detanking, the analysis more or less confirmed the above speculation that the failure had been caused by a degree of operator error or poor test design. Of course, it's possible that a hardware or software design flaw contributed to or caused the anomaly or that something like a pressure differential in the LOx header tank and LCH4 header tube could also explain the damage, but the accidental formation of a vacuum during detanking is arguably the simplest (obvious) explanation.

After the image of the internal damage leaked, the immediate consensus among fans and close followers was that Booster 7 was beyond repair. Instead, SpaceX appears to have proven those assumptions wrong and somehow managed to repair the upgraded Super Heavy to the point that it was worth testing again less than three weeks after returning to the high bay. On May 6th, B7 was rolled back to the launch site and installed, for the second time, on the orbital launch mount.

Prior to the failure, the general expectation was that SpaceX would begin installing Raptor V2 engines as soon as Booster 7 passed structural testing. It remains to be seen if SpaceX wants to repeat Booster 7's cryoproof or structural testing to ensure that its quick repairs did the job before proceeding into static fire testing as previously planned. Nonetheless, hope lives on for the Super Heavy prototype and new test windows have been scheduled from 10am to 10pm on May 9th, 10th, and 11th.

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What?! "In 2017, Starliner had an accident during a ground test that forced the president of a different subcontractor to have his leg medically amputated." From @joroulette: https://t.co/PEjSFz63xQ

— Marina Koren (@marinakoren) May 11, 2022

Quote:

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The feud with Aerojet is not Boeing's first Starliner subcontractor quarrel. In 2017, Starliner had an accident during a ground test that forced the president of a different subcontractor to have his leg medically amputated. The subcontractor sued, and Boeing subsequently settled the case.

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Kenneth_2003 said:

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HOW do you write that entire article and then close on that little bombshell???

Quote:

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The feud with Aerojet is not Boeing's first Starliner subcontractor quarrel. In 2017, Starliner had an accident during a ground test that forced the president of a different subcontractor to have his leg medically amputated. The subcontractor sued, and Boeing subsequently settled the case.

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Athanasius said:

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Sagittarius A* has been photographed. Just announced. Hopefully link coming soon.

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BIG NEWS: Researchers grew plants in lunar soil for the first time! 🌱🌖

Congrats to @UF on growing Arabidopsis plants in regolith collected during the Apollo era. We’ll study the same species on #Artemis I as we prep to return to the Moon. https://t.co/fsollo0lvX pic.twitter.com/ZsjKKZXu9v

— NASA Space Science (@NASASpaceSci) May 12, 2022

AgBQ-00 said:

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That's pretty awesome. So that means that food can be grown on surface in a controlled environment greenhouse if we wanted to build settlements up there.

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TexAgs91 said:

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AgBQ-00 said:

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That's pretty awesome. So that means that food can be grown on surface in a controlled environment greenhouse if we wanted to build settlements up there.

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Sounds like it. They were pretty weak, but they did grow. Obviously it would have to be indoors and heavily filtered sunlight or artificial light.

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Ag_of_08 said:

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So.... some of the scuttlebutt currently going is that there may be an even bigger problem with MLS-1, the launch tower for sls, other than the continuing inability to operate a valve( pull 5 operators and a pipe fitter out of ExxonMobil, watch them fix the problem), may have an even bigger problem than previously thought. The RUMOR( and I cannot verify it) is that they believe one of the stabilizer/umbilicals that have been a cluster**** from the beginning, may have a pretty serious design flaw. Failure to disconnect could result in a helluva "Earth shattering" kaboom. It would make the destruction done by the starship landing "oops" look like a cherry bomb under a trash can.

**edit I know about the OIG report, these rumors are that they had a Jam in the VAB after rollback

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AgBQ-00 said:

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It is good to know that we wouldn't have to rely on hydroponics and the amount of water needed to do such or find a way to transport untold quantities of soil to other places to be able to farm. Now amending the native soil to produce better will be a focus but is much more achievable.

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