Love it when people come into my mentions to tell me their personal criticisms of modern cosmology theory like I’m soliciting product reviews and will relay their complaints to the physics manager.
I’m sorry you find the current cosmological consensus around dark energy to be aesthetically unpleasing but telling me that is not going to upend the paradigm and replace it with one you like better.
I promise we have good reasons for favoring the theories we do, and I do try to explain those reasons from time to time! The reasons are not “we are too lazy to come up with something else” or even “we accept the first idea we find and stick with it despite its obvious problems.”
Like honestly I just don’t know what I’m expected to do with this? Apologize and promise we will try harder? (And yes I get these kinds of tweets a lot!) A screenshot of a tweet (with the name and avatar obscured)

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More from @AstroKatie

12 Dec 20
Vaccines are combat training for your immune system. They show it what to expect from a virus/bacteria so your cells can build a better defense when the actual pathogen arrives.
Usually, a vaccine gives your immune system dead or weakened pathogens so it can mount a specialized defense. Say an invading army is coming and you capture some soldiers and their weapons. You'll be in a much better position to repel the invasion than if caught by surprise!
mRNA vaccines, like Moderna & Pfizer/BioNTech's, work differently. They give your cells the blueprints for a piece of the virus, so your cells can build that piece (which, on its own, can't hurt you), study it, & be ready to attack it & the virus it's attached to when it shows up
Read 5 tweets
9 Dec 20
SpaceX #Starship launch attempt scheduled to start in five minutes or so... #SN8
This is the rescheduled launch attempt after the last-second abort yesterday:
Read 6 tweets
9 Dec 20
If you give my book as a gift you can write on the card "I will love you until the end of the universe"! It's really a very romantic kind of present!!
"Unlike the Higgs vacuum, my love for you will never decay"
"The cosmos may succumb to a Heat Death due to the second law of thermodynamics, but the first law of MY HEART is that I love you"
Read 6 tweets
8 Dec 20
SpaceX is about to do a high-altitude test flight of its Starship prototype, in about two minutes theverge.com/2020/12/8/2216… spacex.com/vehicles/stars…
Or... not. Abort. Alas.
The #Starship prototype did not launch but it ALSO did not explode so I think this is a "successful failure" situation and the data will be helpful to the engineers as they set up for the next try. #SN8
Read 4 tweets
7 Dec 20
I keep thinking about how the public and government response to COVID might be different if (sensible) patient privacy rules and safety concerns didn't prevent TV crews from constantly broadcasting close-up dispatches from inside the ICU front lines.
Comparing US fatalities from COVID-19 with those from wars makes it clear it's not because the pandemic is less deadly that so little is being done on a national level. I think it's partly because we mostly don't actually see it happen.
Note: I'm NOT saying we SHOULD put TV cameras in patient rooms. I don't think that's a good or simple solution. I'm just thinking about the implications of this all being behind closed doors.
Read 4 tweets
26 Nov 20
Hello everyone just letting you know I am going to attempt to bake a pecan pie
This is the pecan pie recipe I’m using: thebigmansworld.com/wprm_print/351… It requires a high-speed blender, which I don’t have!!, so this will be an interesting experiment in adaptation! I’m using a mini food processor instead. It’s, um, trying very hard.
Pie update: Pie crust with brown pecan-pie filling in it. Mostly not tooPie crust with brown pecan pie filling plus pecan halves on
Read 4 tweets

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