Extrapolating from the rest of the world, seems likely if the US doesn’t get to MUCH higher vaccination rates VERY soon we’ll either have emergency lockdowns in low-vaccine areas or a lot more death. The Delta variant is literally a different beast. We haven’t seen this before.
Given the options, I vote for vaccines, personally.
The vaccines are safe, effective, free, and available to everyone in the US age 12 or older. We need to make it easier for people who want them to get access to them and encourage those who are on the fence to get their shots ASAP.
Also:

None of this “it’s natural selection”. Yes, you’re more likely to get sick if not vaccinated. Not everyone who isn’t vaccinated is refusing out of obstinance. There are immunocompromised people. Kids. Occasionally even vaccinated people get sick. I won’t root for death.

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More from @AstroKatie

9 Jun
There are two equally distressing possibilities for explaining this.

1) Gohmert thinks we can adjust the orbits of the Earth or Moon or tweak solar activity.

2) He’s knows that’s impossible & is being sarcastic because he thinks addressing climate change is always impossible.
The first possibility is distressing because it suggests that despite being in conversations with NASA officials about them, he does not understand how orbits work. The second is distressing because it suggests he will oppose all attempts to address climate change as futile.
The most dangerous current strategy employed by those who oppose doing anything about climate change is to convince us that we can’t do anything & will only harm ourselves by trying. Don’t let them convince you we’re helpless. We know exactly what to do. We’ve known for decades.
Read 5 tweets
26 May
If the Moon is visible where you are right now, go look!! It should be a lovely deep red, illuminated not by direct sunlight but by the light of all the sunrises and sunsets of the Earth while in its shadow. #LunarEclipse2021
If you CAN’T see the Moon, I highly recommend browsing the hashtag #LunarEclipse2021 or #LunarEclipse and admiring everyone’s excited cell phone photos, they are delightful 🙂
This is one of my favorite weird optical illusions in astronomy. When it’s fully eclipsed, the Moon suddenly really looks 3D! #LunarEclipse2021 #LunarEclipse
Read 4 tweets
19 May
One of the frustrating things about debunking UFOs or ghost sightings or paranormal phenomena or whatever is that the actual explanation is usually both mundane and complicated (featuring math and geometry and physics) and that just can't compete with an exciting mystery.
"Space aliens using trans-dimensional physics are visiting us and demonstrating rapid low-altitude flight enabled by advanced otherworldy technology!"
"Okay, so, let's talk about parallax; when an object is moving slowly in the near field against a distant background..."
“This guy has a thrilling first-person account of his terrifying encounter!”
“I’d like to talk about perceptual illusions and emotional memory but in the meantime if you’ll take a moment to look at this graph....”
Read 4 tweets
5 May
As of Monday, I am officially a PILOT! 👩‍✈️🛩️

After three delays due to weather, I finally had my checkride (the final step for getting a pilot license, which consists of an oral exam and a practical test). Here's a picture of me, the examiner, and my certificate after the flight! Me standing outside a build...
Learning to fly has been AMAZING and I'm thrilled I've been able to do it during the pandemic. My flight school (@Fly7B2) has been good about masks etc during lessons & indoors. It's just a hobby for me, but I'm now obsessed with aviation and can't wait to see where it takes me! Me piloting an airplane wit...
For those interested, here's the track log from my checkride. Lots of maneuvers, almost two hours of flying. The examiner was very thorough, as he should be! Flight actually started at Northampton, but I had the GPS off for the first bit for navigation by pilotage/dead reckoning. A track log showing an airp...
Read 4 tweets
20 Apr
Nice article by @uncertainquark for @exploreplanets about why terraforming Mars is probably a lot harder than you've been led to believe planetary.org/articles/can-w…
The problem with Mars isn't that it's dry, or even that it's cold. The problem is it has very little air and that air is mostly CO2, and is, incidentally, being slowly sheared off by the solar wind (for lack of a magnetic field). Just heating the planet doesn't solve any of that.
There's actually a decent amount of water (as ice) at/near the surface. But even if you made the planet warmer, above what we consider freezing, that ice will turn right into vapor because there's too little air pressure for liquid water to exist. The atmosphere is a challenge.
Read 4 tweets
8 Apr
I want to expand on this a little... it's an issue that makes the POSSIBLE NEW PHYSICS announcement today a bit more complicated/caveat-y...
Both the measurement and the theory prediction for this experiment require INCREDIBLE precision. And the calculations are HARD. You have to account for how every particle known to science might interact with a muon, hypothetically, and exactly how that would affect its motion. 😳
One way to do this calculation is called the "data-driven" approach, which relies on generalizing from other precise measurements. The other is a new approach using supercomputers doing "lattice QCD" -- solving lots of very difficult equations on a very tight grid.
Read 5 tweets

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