9.0/1065 votes#1 - Journey to a Black Hole
Season 9 Episode 1 - Aired 3/24/2021
Journey to the heart of the M87 supermassive black hole, the first and only black hole ever photographed, and explore the mystery of how it grew so large, what lies inside, and how it controls the entire galaxy.
Director: N/A
Writer: N/A
8.4/1050 votes#2 - Mission to a Comet
Season 9 Episode 2 - Aired 3/31/2021
Experts embark on a ground-breaking mission to land on a comet.
Director: N/A
Writer: N/A
8.4/1051 votes#3 - Secrets Of The Sun
Season 9 Episode 3 - Aired 4/7/2021
A brand-new NASA mission to the Sun reveals cutting-edge discoveries about Earth's star; as the Parker Solar Probe dives through the Sun's atmosphere, what it finds challenges everything known about this strange place.
Director: N/A
Writer: N/A
7.8/1051 votes#4 - Aliens of the Microcosmos
Season 9 Episode 4 - Aired 4/14/2021
New discoveries reveal the power of microscopic alien organisms.
Director: N/A
Writer: N/A
8.3/1048 votes#5 - Curse of the White Dwarf
Season 9 Episode 5 - Aired 4/21/2021
Dead stars called white dwarfs may be the key to understanding the cosmos.
Director: N/A
Writer: N/A
8.2/1045 votes#6 - War of the Galaxies
Season 9 Episode 6 - Aired 4/28/2021
Galaxies are locked in continual combat across the universe, and our own Milky Way will face its biggest opponent ever, the Andromeda Galaxy, in a titanic and deadly struggle that could create a new and unrecognizable super galaxy.
Director: N/A
Writer: N/A
8.4/1047 votes#7 - The Next Supernova
Season 9 Episode 7 - Aired 5/5/2021
The galaxy is full of stars ready to explode into supernovas, a stellar detonation powerful enough to destroy all life on Earth; it's an event that hasn't occurred in 400 years, and the search is on to locate which star may be next.
Director: N/A
Writer: N/A
8.4/1047 votes#8 - Secret Lives Of Neutrinos
Season 9 Episode 8 - Aired 5/12/2021
Neutrinos are the most mysterious particles in the universe, and they power some of the most explosive events in the cosmos; new discoveries reveal how these ghosts pass through objects undetected and why they could be the reason humans exist.
Director: N/A
Writer: N/A
8.0/1042 votes#9 - Birth of Monster Black Holes
Season 9 Episode 9 - Aired 5/19/2021
New discoveries reveal an astonishing supermassive black hole that was born during the earliest days of the cosmos, and finding out how this giant grew so large so quickly may help to explain the very formation of the universe itself.
Director: N/A
Writer: N/A
8.6/1051 votes#10 - Gravitational Waves Revealed
Season 9 Episode 10 - Aired 5/26/2021
Gravitational waves are helping scientists explore the cosmos in revolutionary, new ways, and the discoveries they make are revealing the universe’s greatest mysteries.
Director: N/A
Writer: N/A
8.3/1047 votes#11 - Mystery of Alien Worlds
Season 9 Episode 11 - Aired 6/2/2021
New discoveries reveal the secrets of mysterious alien worlds.
Director: N/A
Writer: N/A
NaN/100 votes#12 - Episode 12
Season 9 Episode 12 - Aired Unknown
This is a duplicate of Season 9 Episode 1 "Journey to a Black Hole" that was entered in Chinese and instead of being entered as a translation, it was inappropriately entered as a separate episode. I have been trying for months, without any response, to have it removed.
Director: N/A
Writer: N/A
The Best Episodes of How the Universe Works Season 9
Every episode of How the Universe Works Season 9 ranked from best to worst. Discover the Best Episodes of How the Universe Works Season 9!
A users' guide to the cosmos, from the Big Bang to galaxies, stars, planets and moons: where did it all come from and how does...
Genre:Documentary
Season 9 Ratings Summary
"Journey to a Black Hole" is the best rated episode of "How the Universe Works" season 9. It scored 9/10 based on 65 votes. Directed by N/A and written by N/A, it aired on 3/24/2021. This episode is rated 0.6 points higher than the second-best, "Mission to a Comet".