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PBSSPACETIME

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Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth with our astrophysicist host: Matthew O’Dowd. Check for New Episodes on Wednesday afternoons! Matt O'Dowd spends his time studying the universe, especially really far-away things like quasars, super-massive black holes, and evolving galaxies. He uses telescopes in space to do it. Matt completed his Ph.D. at NASA's Space Telescope Science Institute, followed by work at the University of Melbourne and Columbia University. He's now a professor at the City University of New York's Lehman College and an Associate at the American Museum of Natural History's Hayden Planetarium. Previous host Gabe Perez-Giz is an astrophysicist who studies black hole physics. He received his Ph.D. from Columbia University and also hosted PBS Infinite Series.

GREAT SCIENTISTS INVENTIONS & DISCOVERIES

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"Welcome to a journey through the remarkable annals of human ingenuity and exploration. In this captivating voyage, we delve into the lives and achievements of the brilliant minds who have shaped our world through their groundbreaking inventions and awe-inspiring discoveries. Join us as we unravel the stories behind the innovations that have redefined the course of history and ignited the flames of progress. From the depths of scientific curiosity to the heights of technological marvels, this channel is your portal to the captivating tales of great scientists, their ingenious creations, and the indelible marks they've left on the tapestry of human knowledge. Embark with us on this intellectual odyssey and witness the transformation of ideas into reality, as we celebrate the visionaries who dared to dream and changed the world forever."

scientists discover new plante orbiting nearby star

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**Description in science** is the systematic observation and cataloging of the components of a natural system in a manner that can be utilized and replicated by other scientists. It is a fundamental part of the scientific process, and is used to build a foundation of knowledge about the world around us. Descriptive science is often used to study things that are difficult or impossible to experiment on, such as: * **Large-scale phenomena:** The evolution of the universe, the climate system, or the distribution of galaxies * **Past events:** The history of life on Earth, the formation of mountains, or the impact of a meteorite * **Unique systems:** Ecosystems, human societies, or the behavior of individual animals Descriptive science can also be used to lay the groundwork for experimental research. For example, a scientist might conduct a descriptive study to identify the most common types of bacteria in a particular environment before designing an experiment to test the effectiveness of different antibiotic