A single supernova can briefly outshine an entire galaxy. elaborate
Black holes aren't actually "holes" – they're incredibly dense regions of spacetime with gravity so strong that nothing, not even light, can escape. elaborate
Telescope observing often involves battling light pollution – even faint starlight can be overwhelmed by city lights, necessitating remote observing locations or special filters. elaborate
Some exoplanets are tidally locked to their stars, meaning one side always faces the star (like our moon with Earth), resulting in extreme temperature differences between the two hemispheres. elaborate