The following are some examples of acceptable topics:
Black Holes: Does the Large Magellanic Cloud (LMC) contain a Super Massive Black Hole?
Stars: Is the Cepheid variable star closest to Earth, Polaris, about to stop varying?
Galaxies: How Is the Andromeda Galaxy different from our own Milky Way Galaxy?
Quasars: Are any quasar redshifts not due to being at a large cosmological distance? What have we learned from studying the closest known quasar, Markarian 231?
White Dwarfs: What happens when two white dwarfs merge?
Gravitational Waves: What new things have we learning from the recent gravity wave detections?
Neutrinos: What are the consequences of Neutrinos having mass? How do we use neutrinos to study the most violent explosions?
The Sun: How stable is the Solar Constant? Why are we still not able to accurately predict the strength of Solar Cycles?
Supernovae: Do All Type-Ia supernovae produce the same size explosion?
explain how the topic solves problems
include concepts and specific examples
starts with something simple then go into details. do not overview.
define and talk about the formation, evolution, early history or early observations of the chosen topic.