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	Comments on: September 26, 2025 Quick space links	</title>
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		<title>
		By: Blair Ivey		</title>
		<link>https://behindtheblack.com/behind-the-black/points-of-information/september-26-2025-quick-space-links/#comment-1623305</link>

		<dc:creator><![CDATA[Blair Ivey]]></dc:creator>
		<pubDate>Mon, 29 Sep 2025 07:14:25 +0000</pubDate>
		<guid isPermaLink="false">https://behindtheblack.com/?p=117676#comment-1623305</guid>

					<description><![CDATA[@Jeff Wright:

I had not known how far along the crewed Moon mission the Soviets were. Debating on that purchase. Second entry sounds like being damned with faint praise. Asian space is China by a country mile, India coming up, and Japan; I don&#039;t see Japan crewing a &#039;climb of Mt. Niitaka&#039; next year on home-made hardware.]]></description>
			<content:encoded><![CDATA[<p>@Jeff Wright:</p>
<p>I had not known how far along the crewed Moon mission the Soviets were. Debating on that purchase. Second entry sounds like being damned with faint praise. Asian space is China by a country mile, India coming up, and Japan; I don&#8217;t see Japan crewing a &#8216;climb of Mt. Niitaka&#8217; next year on home-made hardware.</p>
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		<title>
		By: Jeff Wright		</title>
		<link>https://behindtheblack.com/behind-the-black/points-of-information/september-26-2025-quick-space-links/#comment-1623283</link>

		<dc:creator><![CDATA[Jeff Wright]]></dc:creator>
		<pubDate>Sun, 28 Sep 2025 10:41:01 +0000</pubDate>
		<guid isPermaLink="false">https://behindtheblack.com/?p=117676#comment-1623283</guid>

					<description><![CDATA[Two recent space books—

Soviet lunar efforts:
https://www.amazon.com/dp/0387218963

Japan’s hopes:
https://www.amazon.com/dp/3031455711/]]></description>
			<content:encoded><![CDATA[<p>Two recent space books—</p>
<p>Soviet lunar efforts:<br />
<a href="https://www.amazon.com/dp/0387218963" rel="nofollow ugc">https://www.amazon.com/dp/0387218963</a></p>
<p>Japan’s hopes:<br />
<a href="https://www.amazon.com/dp/3031455711/" rel="nofollow ugc">https://www.amazon.com/dp/3031455711/</a></p>
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		<title>
		By: wayne		</title>
		<link>https://behindtheblack.com/behind-the-black/points-of-information/september-26-2025-quick-space-links/#comment-1623281</link>

		<dc:creator><![CDATA[wayne]]></dc:creator>
		<pubDate>Sat, 27 Sep 2025 23:02:28 +0000</pubDate>
		<guid isPermaLink="false">https://behindtheblack.com/?p=117676#comment-1623281</guid>

					<description><![CDATA[Mars Observer Launch 1992
Retro Space HD (2020)
https://youtu.be/N5zSxB60jiI
4:00

[with the obligatory autistic-factoids:]
&quot;Mars Observer was scheduled to perform an orbital insertion maneuver on August 24, 1993, but contact with the spacecraft was lost on August 21, 1993. The likely reason for the spacecraft failure was the leakage of fuel and oxidizer vapors through the improperly designed PTFE check valve to the common pressurization system. During interplanetary cruise, the vapor mix had accumulated in feed lines and pressurant lines, resulting in explosion and their rupture after the engine was restarted for routine course correction. 
-A similar problem later crippled the Akatsuki space probe in 2010. Although none of the primary objectives were achieved, the mission provided interplanetary cruise phase data, collected up to the date of last contact. This data would be useful for subsequent missions to Mars. 
-Science instruments originally developed for Mars Observer were placed on four subsequent spacecraft to complete the mission objectives: Mars Global Surveyor launched in 1996, Mars Climate Orbiter launched in 1998, 2001 Mars Odyssey launched in 2001, and Mars Reconnaissance Orbiter launched in 2005.&quot;]]></description>
			<content:encoded><![CDATA[<p>Mars Observer Launch 1992<br />
Retro Space HD (2020)<br />
<a href="https://youtu.be/N5zSxB60jiI" rel="nofollow ugc">https://youtu.be/N5zSxB60jiI</a><br />
4:00</p>
<p>[with the obligatory autistic-factoids:]<br />
&#8220;Mars Observer was scheduled to perform an orbital insertion maneuver on August 24, 1993, but contact with the spacecraft was lost on August 21, 1993. The likely reason for the spacecraft failure was the leakage of fuel and oxidizer vapors through the improperly designed PTFE check valve to the common pressurization system. During interplanetary cruise, the vapor mix had accumulated in feed lines and pressurant lines, resulting in explosion and their rupture after the engine was restarted for routine course correction.<br />
-A similar problem later crippled the Akatsuki space probe in 2010. Although none of the primary objectives were achieved, the mission provided interplanetary cruise phase data, collected up to the date of last contact. This data would be useful for subsequent missions to Mars.<br />
-Science instruments originally developed for Mars Observer were placed on four subsequent spacecraft to complete the mission objectives: Mars Global Surveyor launched in 1996, Mars Climate Orbiter launched in 1998, 2001 Mars Odyssey launched in 2001, and Mars Reconnaissance Orbiter launched in 2005.&#8221;</p>
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		<title>
		By: Richard M		</title>
		<link>https://behindtheblack.com/behind-the-black/points-of-information/september-26-2025-quick-space-links/#comment-1623270</link>

		<dc:creator><![CDATA[Richard M]]></dc:creator>
		<pubDate>Sat, 27 Sep 2025 18:52:52 +0000</pubDate>
		<guid isPermaLink="false">https://behindtheblack.com/?p=117676#comment-1623270</guid>

					<description><![CDATA[Looks like we have a little more info on the burn, via Jay Keegan at NASASpaceFlight:

&lt;blockquote&gt;ISS Reboost Abort: NASA has shared more details on yesterday&#039;s aborted reboost

TL;DR:
- 19 minutes, 22 seconds planned burn time.
- Burn was manually aborted 3m45s in by SpaceX flight controllers in Hawthorne, CA.
- The burn plan involved swapping tanks during the burn. This was not performed, and as such Dragon continued pulling propellant from the first tank, which prompted the manual abort
- Another attempt is expected today at 2:24 p.m. EDT.

Full statement:
&quot;On Thursday, SpaceX’s Dragon was conducting a reboost of the International Space Station using the company’s CRS-33 Trunk Draco thrusters when the burn was manually aborted approximately 3 minutes, 45 seconds into the planned 19-minute, 22-second burn. All systems aboard the space station are operating as expected, and the Expedition 73 crew is conducting its normal complement of work.

Ground controllers at SpaceX, in close coordination with NASA’s Mission Control Center at the agency’s Johnson Space Center in Houston, commanded the abort when operators noticed a swap of the Draco thruster fuel tanks did not occur as planned. Teams stopped today’s burn to conserve propellant on the spacecraft.

Ground teams are reviewing plans for a follow-up reboost at 2:24 p.m. EDT on Friday, Sept. 26. Dragon previously conducted space station reboost on Sept. 3, which lasted the full duration.&quot;&lt;/blockquote&gt;

https://x.com/_jaykeegan_/status/1971609055098507423

The second attempt succeeded, apparently.

https://x.com/_jaykeegan_/status/1971659602367598635]]></description>
			<content:encoded><![CDATA[<p>Looks like we have a little more info on the burn, via Jay Keegan at NASASpaceFlight:</p>
<blockquote><p>ISS Reboost Abort: NASA has shared more details on yesterday&#8217;s aborted reboost</p>
<p>TL;DR:<br />
&#8211; 19 minutes, 22 seconds planned burn time.<br />
&#8211; Burn was manually aborted 3m45s in by SpaceX flight controllers in Hawthorne, CA.<br />
&#8211; The burn plan involved swapping tanks during the burn. This was not performed, and as such Dragon continued pulling propellant from the first tank, which prompted the manual abort<br />
&#8211; Another attempt is expected today at 2:24 p.m. EDT.</p>
<p>Full statement:<br />
&#8220;On Thursday, SpaceX’s Dragon was conducting a reboost of the International Space Station using the company’s CRS-33 Trunk Draco thrusters when the burn was manually aborted approximately 3 minutes, 45 seconds into the planned 19-minute, 22-second burn. All systems aboard the space station are operating as expected, and the Expedition 73 crew is conducting its normal complement of work.</p>
<p>Ground controllers at SpaceX, in close coordination with NASA’s Mission Control Center at the agency’s Johnson Space Center in Houston, commanded the abort when operators noticed a swap of the Draco thruster fuel tanks did not occur as planned. Teams stopped today’s burn to conserve propellant on the spacecraft.</p>
<p>Ground teams are reviewing plans for a follow-up reboost at 2:24 p.m. EDT on Friday, Sept. 26. Dragon previously conducted space station reboost on Sept. 3, which lasted the full duration.&#8221;</p></blockquote>
<p><a href="https://x.com/_jaykeegan_/status/1971609055098507423" rel="nofollow ugc">https://x.com/_jaykeegan_/status/1971609055098507423</a></p>
<p>The second attempt succeeded, apparently.</p>
<p><a href="https://x.com/_jaykeegan_/status/1971659602367598635" rel="nofollow ugc">https://x.com/_jaykeegan_/status/1971659602367598635</a></p>
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