An astrophysicist’s live reaction to the brand new JWST images #jameswebbtelescope #jwst #nasa #esa #unfoldtheuniverse #space #astronomy #science #sciencetok #spacetok #astrotok

How do we define a second? It used to be as a fraction of the length of a day, i.e. how long it takes Earth to turn once on its axis. But that wasn’t precise enough for scientists, especially since the length of Earth’s day changes! So instead, since the 1950s the second has been defined by the number of spin transitions of electrons in a Caesium atom. 👩🏽‍💻 I’m Dr. Becky Smethurst, an astrophysicist at the University of Oxford (Christ Church). I love making videos about science with an unnatu

3 Things Revealed by the New Black Hole Image

Part 2! An astrophysicists’s black hole FAQ - what’s all this stuff coming out of black holes?! And what’s Hawking radiation? Link to my book “A Brief History of Black Holes: And why nearly everything you know about them is wrong” is in my bio! #astrophysics #astronomy #blackholes #hawking #stephenhawking #eventhorizon #womeninstem #FAQ #space #science #blackhole #nasa #womeninscience #singularity

Exploring the Mysteries of Astrophysics with Dr. Becky Smethurst

Can’t wait to share this with you all. Link in bio to pre-order! #astronomy #blackholes #astrophysics #science #space #physics #books #youtuber #booktok #sciencebook #scitok #astrotok #eventhorizon

An astrophysicist reacts to Carl Sagan's Contact

A day in the life of an Astrophysicist at Oxford University