Torbjorn Larsson's latest activity
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TTorbjorn Larsson replied to the thread Hubble tension is now in our cosmic backyard, sending cosmology into crisis.Cosmological redshift is not a Doppler shift, and no physicist has claimed that in a century, I think. But is caused by photons being...
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TTorbjorn Larsson reacted to m4n8tpr8b's post in the thread Hubble tension is now in our cosmic backyard, sending cosmology into crisis with
Like.
To have a perspective on this, it is worth to remember that this is not the first time we have Hubble tension. Throughout the 1990s, the... -
TTorbjorn Larsson replied to the thread Hubble tension is now in our cosmic backyard, sending cosmology into crisis.Until there is a consensus that this is a validated and robust problem for LCDM, it remains too early to say. That consensus is not...
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TTorbjorn Larsson replied to the thread Blue Ghost moon lander sees Earth as a 'blue marble' from orbit (photo).The timelapse video animation [Firefly Aerospace @ X] is nicely showing the terminator progressively shadowing the - no doubt also...
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TTorbjorn Larsson reacted to danR's post in the thread Black holes can squash star formation, James Webb Space Telescope finds with Like.
"Squash" "Quash", with its sense of "suppress", might be better employed here; and is closer to the paper's frequent use of the word...
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TTorbjorn Larsson replied to the thread Was 2024 the year we finally started to understand dark energy?.The article does not describe new research that would reject LCDM. On the contrary, the latest DESI results confirms LCDM (so general...
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TTorbjorn Larsson reacted to George²'s post in the thread Can NASA's troubled Mars Sample Return mission be saved? with Like.
I remember when I lived in a cave and I looked up, I could see the ceiling of the cave.
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TTorbjorn Larsson replied to the thread Can NASA's troubled Mars Sample Return mission be saved?.Sorry to disappoint, but AFAIK complete sterilization attempts only happened with the Viking probes. Soviet (crash) landers before that...
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TTorbjorn Larsson replied to the thread Can NASA's troubled Mars Sample Return mission be saved?.As long as politicians are not involved, I'm sure we can get a program that is cheaper for the US. (Remember that ESA is currently...
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TTorbjorn Larsson reacted to Nik0101's post in the thread Can NASA's troubled Mars Sample Return mission be saved? with Like.
"ID a bug"?? "Scientific fluff"?? Wait... What!? Do you mean definitively answering the question mankind has been pondering since when...
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TTorbjorn Larsson replied to the thread Will 2025 be the year of Starship? SpaceX's megarocket is growing up..The next Starship launch has been placed on SpaceX's website, though the date is still to be announced there. Some details bearing on...
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TTorbjorn Larsson reacted to Philly's post in the thread Will 2025 be the year of Starship? SpaceX's megarocket is growing up. with Like.
SpaceX has done some rather amazing. 134 Falcon 9 launches in 2024. That also means they produced/manfactured 134 2nd stages for the...
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