Ian Díaz-Vachier retweeted
It's here–the deepest, sharpest infrared view of the universe to date: Webb's First Deep Field.
Previewed by @POTUS on July 11, it shows galaxies once invisible to us. The full set of @NASAWebb's first full-color images & data will be revealed July 12: nasa.gov/webbfirstimages

ALT The background of space is black. Thousands of galaxies appear all across the view. Their shapes and colors vary. Some are various shades of orange, others are white. Most stars appear blue, and are sometimes as large as more distant galaxies that appear next to them. A very bright star is just above and left of center. It has eight bright blue, long diffraction spikes. Between 4 o’clock and 6 o’clock in its spikes are several very bright galaxies. A group of three are in the middle, and two are closer to 4 o’clock. These galaxies are part of the galaxy cluster SMACS 0723, and they are warping the appearances of galaxies seen around them. Long orange arcs appear at left and right toward the center.
Ian Díaz-Vachier retweeted
Pretty wild comparison between Webb and Hubble from @NASAWebb. This is the Carina Nebula.
Ian Díaz-Vachier retweeted
.@NASA approved the Near-Earth Object Surveyor space telescope (NEO Surveyor) to move to the next phase of mission development.
NEO Surveyor would help #planetarydefense experts expedite the search for near-Earth Objects (#NEOs) and #asteroids.
More: go.nasa.gov/3gd1K7h
Ian Díaz-Vachier retweeted
NEO Surveyor, a mission to look for Earth-approaching asteroids & comets, is moving ahead into preliminary design phase. Thanks to our dedicated team for getting us this far! Delighted to have the opportunity to move to the next step. nasa.gov/feature/nasa-approv…
Ian Díaz-Vachier retweeted
HERE IS THE ANNOUNCEMENT OF @AstroAcaba AS ONE OF THE ARTEMIS ASTRONAUTS!!! THIS IS A HISTORIC DAY FOR PUERTO RICO
Ian Díaz-Vachier retweeted
I mentioned yesterday in an interview for this article that losing the @NAICobservatory would be a big loss for science, for planetary defense, and for Puerto Rico. Never thought just a day after this would happen, we were all still hoping for the best. nature.com/articles/d41586-0…
Ian Díaz-Vachier retweeted
This 40-image conglomerate, digitally enhanced, was captured three days ago by Zixuan Lin through the dark skies of the Gobi Desert in Inner Mongolia, China. It shows the magnificence of comet C/2020 F3 (NEOWISE)'s two tails, ions and dust [more: buff.ly/39i6uU3]
Ian Díaz-Vachier retweeted
🤩🌕💫 ¡Nos honra anunciar que el Departamento de Física y Electrónica contará con una Concentración Menor en Astronomía! 🤩🌕💫 @fisicauprh #UPRH
Ian Díaz-Vachier retweeted
After three years of developing code for phase correlation alignment, linear image composition, and adaptive convolution: here is my first image result from the 2017 eclipse
Ian Díaz-Vachier retweeted
El coronavirus NO se llama así por parecerse a una corona, sino por parecerse a la corona solar, la capa más externa del Sol. Así lo cuentan en el artículo de Nature de 1968 que acuña el término.
Ian Díaz-Vachier retweeted
What is a “radian” anyway? It’s an equilateral triangle! (With one side curvilinear).
(With many thanks to @MathHappensOrg!)
Ian Díaz-Vachier retweeted
Los estudiantes @IVachier y Alberto Rosado recibieron un entrenamiento por Ed Anderson para utilizar el telescopio #NURO de 31 pulgadas y durante las pasadas 4 noches han estado tomando data de NEAs con la profesora @dcottofi. #LowellObservatory #UPRH – at Flagstaff, AZ
Ian Díaz-Vachier retweeted
Meteor just observed in #PuertoRico. Everyone who saw it please report it here: fireball.amsmeteors.org/memb… #Meteoro #Meteor @LouisVtweeter – at Arroyo, Puerto Rico
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Ian Díaz-Vachier retweeted
There's a lot of discussion about the dimming of Betelgeuse on astrotwitter at the moment.
This simulation by Bernd Freytag et al. spanning just 16 years shows just how crazily variable red supergiant stars can be due to convection & magnetic fields.
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astro.uu.se/~bf/publications…
Ian Díaz-Vachier retweeted
Es con gran orgullo que nos complace felicitar a @SwiseUprh de @fisicauprh, quienes propusieron los nombres ganadores del concurso #NameExoWorlds #PuertoRico de la @IAU_org. Más detalles aquí: nameexoworlds.iau.org/puerto… ¡Felicitaciones! 👏👏👏 @UPRHComunica #UPRH





































