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tech / sci.space.policy / Re: Europa Clipper clippings

SubjectAuthor
* Re: Europa Clipper clippingsdumpster4@hotmail.com
`* Re: Europa Clipper clippingsJeff Findley
 `* Re: Europa Clipper clippingsSnidely
  `* Re: Europa Clipper clippingsGreg \(Strider\) Moore
   `* Re: Europa Clipper clippingsJF Mezei
    +- Re: Europa Clipper clippingsSnidely
    `* Re: Europa Clipper clippingsJeff Findley
     `* Re: Europa Clipper clippingsJF Mezei
      `- Re: Europa Clipper clippingsJeff Findley

1
Re: Europa Clipper clippings

<7a9063b4-d1c6-4f3b-a2c4-76d7dbcf1727n@googlegroups.com>

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Subject: Re: Europa Clipper clippings
From: dumpst...@hotmail.com (dumpster4@hotmail.com)
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 by: dumpster4@hotmail.co - Sun, 25 Jul 2021 00:29 UTC

SpaceX lands NASA launch contract for mission to Jupiter's moon Europa:

"Elon Musk's private rocket company SpaceX was awarded a $178 million launch
services contract for NASA's first mission focusing on Jupiter's icy moon Europa
and whether it may host conditions suitable for life, the space agency said on
Friday.

The Europa Clipper mission is due for blastoff in October 2024 on a Falcon Heavy
rocket owned by Musk's company, Space Exploration Technologies Corp, from
NASA's Kennedy Space Center in Florida, NASA said in a statement posted online.

The contract marked NASA's latest vote of confidence in the Hawthorne,
California-based company, which has carried several cargo payloads and
astronauts to the International Space Station for NASA in recent years."

See:

https://www.reuters.com/lifestyle/science/spacex-lands-nasa-launch-contract-mission-jupiters-moon-europa-2021-07-24/

Re: Europa Clipper clippings

<MPG.3b685e9818d59958989df1@news.eternal-september.org>

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From: jfind...@cinci.nospam.rr.com (Jeff Findley)
Newsgroups: sci.space.policy
Subject: Re: Europa Clipper clippings
Date: Mon, 26 Jul 2021 06:55:05 -0400
Organization: Home
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 by: Jeff Findley - Mon, 26 Jul 2021 10:55 UTC

In article <7a9063b4-d1c6-4f3b-a2c4-76d7dbcf1727n@googlegroups.com>,
dumpster4@hotmail.com says...
>
> SpaceX lands NASA launch contract for mission to Jupiter's moon Europa:
>
> "Elon Musk's private rocket company SpaceX was awarded a $178 million launch
> services contract for NASA's first mission focusing on Jupiter's icy moon Europa
> and whether it may host conditions suitable for life, the space agency said on
> Friday.
>
> The Europa Clipper mission is due for blastoff in October 2024 on a Falcon Heavy
> rocket owned by Musk's company, Space Exploration Technologies Corp, from
> NASA's Kennedy Space Center in Florida, NASA said in a statement posted online.
>
> The contract marked NASA's latest vote of confidence in the Hawthorne,
> California-based company, which has carried several cargo payloads and
> astronauts to the International Space Station for NASA in recent years."
>
> See:
>
> https://www.reuters.com/lifestyle/science/spacex-lands-nasa-launch-contract-mission-jupiters-moon-europa-2021-07-24/

This was a logical decision to make. SLS is going to be very busy with
Artemis missions and there was some issue with launching it on SLS that
I can't seem to remember right now (need more coffee).

Jeff

--
All opinions posted by me on Usenet News are mine, and mine alone.
These posts do not reflect the opinions of my family, friends,
employer, or any organization that I am a member of.

Re: Europa Clipper clippings

<mn.d4187e57f4ba9574.127094@snitoo>

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From: snidely....@gmail.com (Snidely)
Newsgroups: sci.space.policy
Subject: Re: Europa Clipper clippings
Date: Mon, 26 Jul 2021 17:28:38 -0700
Organization: Dis One
Lines: 36
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 by: Snidely - Tue, 27 Jul 2021 00:28 UTC

Jeff Findley speculated:
> In article <7a9063b4-d1c6-4f3b-a2c4-76d7dbcf1727n@googlegroups.com>,
> dumpster4@hotmail.com says...
>>
>> SpaceX lands NASA launch contract for mission to Jupiter's moon Europa:
>>
>> "Elon Musk's private rocket company SpaceX was awarded a $178 million launch
>> services contract for NASA's first mission focusing on Jupiter's icy moon
>> Europa and whether it may host conditions suitable for life, the space
>> agency said on Friday.
>>
>> The Europa Clipper mission is due for blastoff in October 2024 on a Falcon
>> Heavy rocket owned by Musk's company, Space Exploration Technologies Corp,
>> from NASA's Kennedy Space Center in Florida, NASA said in a statement
>> posted online.
>>
>> The contract marked NASA's latest vote of confidence in the Hawthorne,
>> California-based company, which has carried several cargo payloads and
>> astronauts to the International Space Station for NASA in recent years."
>>
>> See:
>>
>> https://www.reuters.com/lifestyle/science/spacex-lands-nasa-launch-contract-mission-jupiters-moon-europa-2021-07-24/
>
> This was a logical decision to make. SLS is going to be very busy with
> Artemis missions and there was some issue with launching it on SLS that
> I can't seem to remember right now (need more coffee).

Vibration? I think I saw that in passim when headline scanning, or as
a one liner in Bergen's /Rocket Report/.

/dps

--
"I am not given to exaggeration, and when I say a thing I mean it"
_Roughing It_, Mark Twain

Re: Europa Clipper clippings

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From: moor...@deletethisgreenms.com (Greg \(Strider\) Moore)
Newsgroups: sci.space.policy
Subject: Re: Europa Clipper clippings
Date: Mon, 26 Jul 2021 22:56:50 -0400
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 by: Greg \(Strider\) Moo - Tue, 27 Jul 2021 02:56 UTC

"Snidely" wrote in message news:mn.d4187e57f4ba9574.127094@snitoo...
>
>Jeff Findley speculated:
>> In article <7a9063b4-d1c6-4f3b-a2c4-76d7dbcf1727n@googlegroups.com>,
>> dumpster4@hotmail.com says...
>>> SpaceX lands NASA launch contract for mission to Jupiter's moon Europa:
>>>
>>> "Elon Musk's private rocket company SpaceX was awarded a $178 million
>>> launch services contract for NASA's first mission focusing on Jupiter's
>>> icy moon Europa and whether it may host conditions suitable for life,
>>> the space agency said on Friday.
>>>
>>> The Europa Clipper mission is due for blastoff in October 2024 on a
>>> Falcon Heavy rocket owned by Musk's company, Space Exploration
>>> Technologies Corp, from NASA's Kennedy Space Center in Florida, NASA
>>> said in a statement posted online.
>>>
>>> The contract marked NASA's latest vote of confidence in the Hawthorne,
>>> California-based company, which has carried several cargo payloads and
>>> astronauts to the International Space Station for NASA in recent years."
>>>
>>> See:
>>>
>>> https://www.reuters.com/lifestyle/science/spacex-lands-nasa-launch-contract-mission-jupiters-moon-europa-2021-07-24/
>>
>> This was a logical decision to make. SLS is going to be very busy with
>> Artemis missions and there was some issue with launching it on SLS that I
>> can't seem to remember right now (need more coffee).
>
>Vibration? I think I saw that in passim when headline scanning, or as a
>one liner in Bergen's /Rocket Report/.
>

Yeah, further testing showed the vibrations were not the Beach Boys kind of
Good good vibrations... they were twice as bad as originally claimed.

And somehow launching a sensitive probe on something bucking like a bronco
doesn't appeal to people.

Falcon Heavy will take longer (I think 2-2.5 years) but is helluva lot
cheaper and safer.

Overall, a good decision.
(but does help illustrate that FH really lacks a decent high energy upper
stage. Be nice if they could mount a Centaur or similar to it).
>/dps
>

--
Greg D. Moore http://greenmountainsoftware.wordpress.com/
CEO QuiCR: Quick, Crowdsourced Responses. http://www.quicr.net
IT Disaster Response -
https://www.amazon.com/Disaster-Response-Lessons-Learned-Field/dp/1484221834/

Re: Europa Clipper clippings

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Subject: Re: Europa Clipper clippings
Newsgroups: sci.space.policy
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 by: JF Mezei - Tue, 27 Jul 2021 07:14 UTC

On 2021-07-26 22:56, Greg (Strider) Moore wrote:

> Falcon Heavy will take longer (I think 2-2.5 years) but is helluva lot
> cheaper and safer.

What about it would take longer? Can't SpaceX zip-tie 3 Falcon9's
together in a weekend and mount paylod and launch it on Monday monring? :-)

I am really susprised that anything would take longer than SLS.

Surely they have been considering payload adaptors for Falcon 9 for some
time already? This isin't the first time we hear of he Clipper going up
on Falcon Heavy.

Could the delay just be Europa Clipper delay and not directly related to
launcher& I would have really expected SpaceX to be able to launch much
easier than anyone else.

Re: Europa Clipper clippings

<mn.d83e7e57eaad4cfa.127094@snitoo>

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From: snidely....@gmail.com (Snidely)
Newsgroups: sci.space.policy
Subject: Re: Europa Clipper clippings
Date: Tue, 27 Jul 2021 01:02:19 -0700
Organization: Dis One
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 by: Snidely - Tue, 27 Jul 2021 08:02 UTC

JF Mezei submitted this idea :
> On 2021-07-26 22:56, Greg (Strider) Moore wrote:
>
>> Falcon Heavy will take longer (I think 2-2.5 years) but is helluva lot
>> cheaper and safer.
>
> What about it would take longer?

Think delta-v.

/dps

--
Yes, I have had a cucumber soda. Why do you ask?

Re: Europa Clipper clippings

<MPG.3b69ad56e94ec572989df2@news.eternal-september.org>

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From: jfind...@cinci.nospam.rr.com (Jeff Findley)
Newsgroups: sci.space.policy
Subject: Re: Europa Clipper clippings
Date: Tue, 27 Jul 2021 06:43:24 -0400
Organization: Home
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 by: Jeff Findley - Tue, 27 Jul 2021 10:43 UTC

In article <onOLI.28480$0N5.25544@fx06.iad>,
jfmezei.spamnot@vaxination.ca says...
>
> On 2021-07-26 22:56, Greg (Strider) Moore wrote:
>
> > Falcon Heavy will take longer (I think 2-2.5 years) but is helluva lot
> > cheaper and safer.
>
> What about it would take longer? Can't SpaceX zip-tie 3 Falcon9's
> together in a weekend and mount paylod and launch it on Monday monring? :-)
>
> I am really susprised that anything would take longer than SLS.
>
> Surely they have been considering payload adaptors for Falcon 9 for some
> time already? This isin't the first time we hear of he Clipper going up
> on Falcon Heavy.
>
> Could the delay just be Europa Clipper delay and not directly related to
> launcher& I would have really expected SpaceX to be able to launch much
> easier than anyone else.

It will take a longer flight time due to the need to do a Mars fly by
and then an Earth fly by.

SpaceX to launch the Europa Clipper mission for a bargain price
Decision comes after shaking issue with SLS rocket made it untenable.
ERIC BERGER - 7/23/2021, 4:45 PM
https://arstechnica.com/science/2021/07/spacex-to-launch-the-europa-
clipper-mission-for-a-bargain-price/

Jeff

--
All opinions posted by me on Usenet News are mine, and mine alone.
These posts do not reflect the opinions of my family, friends,
employer, or any organization that I am a member of.

Re: Europa Clipper clippings

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 by: JF Mezei - Wed, 28 Jul 2021 00:47 UTC

On 2021-07-27 06:43, Jeff Findley wrote:

> It will take a longer flight time due to the need to do a Mars fly by
> and then an Earth fly by.

Thanks. I had read the post as going Falcon Heavy delaying launch. Do
This is about transit time after launch that will be longer. Correct?

Re: Europa Clipper clippings

<MPG.3b6b071c70a144a5989df3@news.eternal-september.org>

 copy mid

https://www.novabbs.com/tech/article-flat.php?id=3068&group=sci.space.policy#3068

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From: jfind...@cinci.nospam.rr.com (Jeff Findley)
Newsgroups: sci.space.policy
Subject: Re: Europa Clipper clippings
Date: Wed, 28 Jul 2021 07:18:39 -0400
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 by: Jeff Findley - Wed, 28 Jul 2021 11:18 UTC

In article <KO1MI.77126$VU3.70689@fx46.iad>,
jfmezei.spamnot@vaxination.ca says...
>
> On 2021-07-27 06:43, Jeff Findley wrote:
>
> > It will take a longer flight time due to the need to do a Mars fly by
> > and then an Earth fly by.
>
>
> Thanks. I had read the post as going Falcon Heavy delaying launch. Do
> This is about transit time after launch that will be longer. Correct?

Correct. SLS could have sent Clipper directly to Jupiter.

The bigger issue here is that SLS might not have been available for
Clipper when it needed to launch. Falcon Heavy is obviously available.
So, if Cliper was forced to launch on SLS (by Congress), we really don't
know when it would have launched.

Jeff
--
All opinions posted by me on Usenet News are mine, and mine alone.
These posts do not reflect the opinions of my family, friends,
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