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Tuan Do
Astronomer at UCLA
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Tuan Do retweeted
Schmidt Ocean Apr 6
Check out this beautiful *giant* siphonophore Apolemia recorded on expedition. It seems likely that this specimen is the largest ever recorded, and in strange UFO-like feeding posture. Thanks for info
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Tuan Do Mar 24
This is a good summary of the global megatrials that are going on to test various drugs for treating COVID-19. Previous trials have been too small to have definitive conclusions, so the goal of the new trials is to get the statistics right.
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Tuan Do Mar 15
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Tuan Do Mar 10
This article explains the science behind the first potential vaccine for the coronavirus 2019-nCoV. Images of the virus shows a spike (green part below) which is how it enters cells. The goal is to get the body to recognize this spike and neutralize it.
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Tuan Do Mar 10
UCLA just went remote as well. Campus, including housing will still remain open.
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Tuan Do Mar 3
The youth vote is alive and well ! This is the longest voting line I've ever seen.
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Tuan Do Mar 2
The full paper is here: 6/
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Tuan Do Mar 2
We use our own supermassive black hole and the stars that orbit it as a laboratory for this test. By carefully measuring the behavior of different atomic lines in the spectra of stars as they orbit around the black hole, we can compare to them to our expectations from Earth. 5/
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Tuan Do Mar 2
If these fundamental constants do change, it would point us to new physics and may offer clues to the unification of General Relativity and Quantum Mechanics. 4/
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Tuan Do Mar 2
For example, the fine structure constant, which governs the behavior of charged particles such as electrons, should be the same on Earth or in another galaxy. 3/
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Tuan Do Mar 2
One of the bedrock assumptions in our current best physical models of the universe is that the fundamental constants of Nature stay the same no matter where you are located. 2/
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Tuan Do Mar 2
Do the fundamental constants of Nature change near a supermassive black hole? We use observations of stars near our supermassive black hole from , , and to test this for the first time! 1/
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Tuan Do Feb 20
Replying to @ikashell
So, you'll be testing whether the dimming of Betelgeuse is due to extra-terrestrial intelligence? Awesome! 😎
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Tuan Do Feb 20
Replying to @ikashell
Cool! Do you have an example of that that looks like? Say for Betelguese? I don't think anyone has looked at it at such short time scales.
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Tuan Do Feb 20
Replying to @ikashell
Congratulations! It's very exciting! Do you save the images from these telescopes?
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Tuan Do retweeted
LOCMaps Feb 13
This map of the world and solar system, made in 1794 by Benjamin Dunn, was created to "facilitate the principles and study of geography and astronomy!" Take a closer look here:
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Tuan Do retweeted
UCLA Planetarium Feb 7
come out for a great show next week 2/12 - we’ll be talking about “how to take pictures of a black hole” hosted by !
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Tuan Do Feb 6
The shift on Sgr A*'s position due to the gravity of the stars is too small to detect at the moment. The current best limits on the reflex motions of Sgr A* comes from radio measurements of its positions compared to quasars.
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Tuan Do Feb 6
Some of these stars like S0-2 can get to > 8,000 km/s or close to 3% the speed of light. It makes these stars great tests of the nature of gravity.
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Tuan Do Feb 6
If the original link isn't working, try this link:
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