About Me

Dark matter millennium sim

Dark Matter Cosmic Web Simulation. Image Credit: The Millennium Simulation Project

Hi all! I’m Sophia Nasr, aka Astropartigirl (as in, Astroparticle Girl, not Astro-party-girl, although I can’t say I mind space parties). You may know me on Twitter as @Astropartigirl. I’m working on my PhD in physics at UC Irvine with a focus on cosmology and astroparticle theory. I work on a type of dark matter beyond the Cold Dark Matter paradigm—Self-Interacting Dark Matter. You can read about this type of dark matter, and others, in a blog post I wrote.

Me CUPC

Me giving a talk about my research on SIDM at the Canadian Undergraduate Physics Conference in October 2015.

I specialize in a field that uses the very big and the very small to solve some of the Universe’s greatest mysteries—the intersection of astrophysics, particle physics, and cosmology—astroparticle theory. Yet, I have a particular fondness for planetary science, and one of my favorite things to do when I’m not working on theory or coding, is processing planetary images, particularly Saturn images taken by the Cassini Spacecraft (RIP) and Jupiter images taken by the JunoCam. When I do, I like to explain some interesting phenomena observed in these images. (I’m quite sure I’m a planetary scientist in another universe; in this one, I’m an astroparticle physicist, but that doesn’t mean I can’t do a bit of planetary science!) I’ve written several blog posts on these phenomena. You should check those out, the physics we see in these images is really cool!

Cosmo Presentation

Me giving a presentation on Cosmology for the Royal Astronomical Society of Canada’s NOVA lecture series in November, 2015.

I recently got the opportunity to do some science advising for one of the greatest sci-fi TV shows out there: 12 Monkeys! I wrote out what I’d call a pathway to the theory of the Hartle-Hawking state, and these equations and plots ended up on a board with the person who was to make the Hartle-Hawking state a reality drawing them out. You can read more about this in one of my blog posts. The experience was one of the greatest I’ve ever had. I plan on continuing to do science consulting in the future.

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Upper left: formalisms I wrote out being transcribed into the board by the character who made the Hartle-Hawking state a reality, Emma.

Upper right: me standing on set in front of the board of equations I wrote out.

Bottom: proud moment when my name is in the credits of one of my favorite TV shows.

I have a particular fondness for hamsters! Some of you may remember Neutrini, the tinisymmetric partner of the Neutrino (I created tinisymmetry for hamsters, and other animals and pets).

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My hamster Neutrini acting as the spherical cow, and doing so on my research notes.

Hamsters live pretty short lives, and Neutrini lived (I hope) a great one. I now have two new Robo dwarf hamsters friends I call the dark matter sisters: Sterlini, the tinisymmetric partner of the sterile neutrino, and Axini, who as you probably guessed, is the tinisymmetric partner of the axion! There is never a dull day with these two in my life.

Left: Sterlini. Also further proof that the Spherical Hamster is the new Spherical Cow.

Right: Axini. I can’t adequately describe how adorable this little cutie is, but this picture can!

I’m a huge animal lover, I love reading books (Wheel of Time right now; absolutely recommend it if you haven’t read it), am an intersectional feminist, and a human rights advocate. I also enjoy binge-watching TV shows when I’m not coding my research.

I maintain this blog so that I can make difficult concepts in physics easier to understand, and to show how fun and interesting this field is! I hope you enjoy my posts!

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