Paper 1 (source code)

= Paper 1
{scope}
{title2=The Frontiers of Observational Astrophysics}
{title2=Printed paper 220}

Original public paper: https://www.whatdotheyknow.com/request/natural_science_tripos_physics_e_2/response/2340776/attach/2/FOI%202023%20399%20Zahid%20materials.pdf?cookie_passthrough=1#page=596[Physical PDF pages 596–597]. Both long questions and all four optional notes are covered.