149. A is for Asteroids

Like much of the country of late, Katharine has space on the brain. Sources:https://www.nhm.ac.uk/discover/how-an-asteroid-caused-extinction-of-dinosaurs.htmlhttps://today.ucsd.edu/story/an-asteroid-doesnt-have-to-hit-earth-to-cause-catastrophe https://www.space.com/astronomy/asteroids/the-powerful-new-rubin-observatory-just-found-11-000-new-asteroids-and-measured-tens-of-thousands-morehttps://science.nasa.gov/solar-system/asteroids/https://science.howstuffworks.com/nature/natural-disasters/asteroid-hits-earth.htmhttps://en.wikipedia.org/wiki/Chelyabinsk_meteorhttps://en.wikipedia.org/wiki/Tunguska_eventhttps://www.esa.int/About_Us/50_years_of_ESA/Asteroids_The_discovery_of_asteroidshttps://science.nasa.gov/solar-system/meteors-meteorites/facts/https://www2.tulane.edu/~sanelson/Natural_Disasters/impacts.htmhttps://www.planetary.org/articles/how-astronomers-rank-dangerous-asteroids-and-what-that-means-for-you