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The Search for Exoplanets: What Astronomers Know

Where to Watch The Search for Exoplanets: What Astronomers Know

24.
Coming Soon: Biosignatures, Moons, and More!
2015-09-25
Explore the distinctive biosignatures that show the presence of life of any kind on an exoplanet. Then close with Professor Winn�۪s tip sheet on exoplanetary discoveries likely in the near future-from evidence of moons to planets being destroyed by giant stars.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 24 Now

23.
The Search for Life on Exoplanets
2015-09-25
Join the quest for life on exoplanets, focusing on the search for extraterrestrial intelligence (SETI)-a hunt for signals from alien civilizations inspired by a landmark paper in 1959. See how the famous Drake equation points to factors that determine how many such civilizations may exist.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 23 Now

22.
Long-Term Future Planet-Finding Projects
1970-01-01
Peer into the future at ambitious projects that may one day succeed in collecting light directly from an Earth-sized planet in the habitable zone of a nearby star. Examine three different engineering approaches: the coronagraph, interferometer, and starshade.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 22 Now

21.
Near-Term Future Planet-Finding Projects
2015-09-25
The success of exoplanetary science has spurred a wave of new projects to increase our knowledge of worlds beyond our solar system. Survey ground- and space-based programs that are now in the works.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 21 Now

20.
Finding Planets with Direct Imaging
2015-09-25
Turn to the most obvious way to find exoplanets: direct imaging. Explore the optics of telescopes to learn why spotting an exoplanet next to its parent star is so difficult.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 20 Now

19.
Finding Planets with Gravitational Lensing
2015-09-25
Get a lesson in Einstein�۪s general theory of relativity to understand an effect called gravitational microlensing, which allows astronomers to deduce a planet�۪s existence without recording any light from the planet or its host star. This technique reveals exoplanets that would otherwise go undetected.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 19 Now

18.
Our Nearest Exoplanetary Neighbors
2015-09-25
Pinpoint the location of the nearest exoplanetary systems to Earth. First, get the big picture on the layout of our Milky Way galaxy, its size, and the Sun�۪s position.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 18 Now

17.
Living with a Giant Star
2015-09-25
In billions of years, the Sun will expand into a red giant, possibly engulfing Earth. Learn how planet-finding techniques give astronomers insight into the processes inside giant stars.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 17 Now

16.
Living with a Dwarf Star
1970-01-01
The most common stars are class M dwarf stars, which are smaller and less luminous than the Sun (class G). Earth-sized planets are much easier to detect around M-dwarf stars, especially if the planets are within the relatively close-in habitable zone.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 16 Now

15.
Earthlike Planets
2015-09-25
Begin your search for planets that may harbor life by studying the conditions that make Earth habitable, including its distance from the Sun, surface temperature, atmosphere, and oceans. Then examine strategies for finding earthlike planets and the progress to date.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 15 Now

14.
Lava Worlds
2015-09-25
Explore the theoretical limit of the smallest possible orbit for a planet, taking into consideration tidal stresses and other destructive processes. Then focus on Professor Winn�۪s search for such objects, which found probable lava worlds-planets heated to rock-melting temperatures by their extreme closeness to their host stars.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 14 Now

13.
Planets Circling Two Stars
2015-09-25
See how data from the Kepler spacecraft confirms a scenario straight out of the movie Star Wars: a planet with two suns. Investigate the tricky orbital mechanics of these systems.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 13 Now

12.
Compact Multiplanet Systems
2015-09-25
Dig deeper into the treasure trove of data from the Kepler mission, which discovered hundreds of compact multiplanet systems, with planets much more closely packed than in our solar system. Explore the dynamics of these groupings, which have planets interacting strongly through mutual gravitation.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 12 Now

11.
Transiting Planets and the Kepler Mission
2015-09-25
The planet search took a giant leap forward in 2009 with the launch of the Kepler spacecraft, which used the transit technique to observe nearly 200,000 stars over a four-year period. Study Kepler�۪s goals, results, and the persistence of the astronomer who championed it.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 11 Now

10.
Super-Earths or Mini-Neptunes?
2015-09-25
Learn how a sensitive new instrument led the way in finding planets smaller than the Jupiter-sized giants that dominated the earliest exoplanetary discoveries. Halfway in size between Earth and Neptune, these worlds have uncertain properties.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 10 Now

9.
Stellar Rotation and Planetary Revolution
2015-09-25
Trace Professor Winn�۪s own search for the subtle signs that tell whether a star has a tilted axis. Discover why this is an important clue in the mystery of misplaced giant planets.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 9 Now

8.
Sniffing Planetary Atmospheres
2015-09-25
Survey the history of spectroscopy to understand how a telescope and a diffraction grating can disclose the composition of a star and its planet. Then learn how transits and occultations are ideal for analyzing planetary atmospheres, paving the way for the search for signatures of life.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 8 Now

7.
The Transits of Exoplanets
2015-09-25
A tiny percentage of exoplanets can be detected transiting-or passing in front of-their host stars. Combined with Doppler shifts, transits provide information about a planet�۪s size, mass, density, and likely composition.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 7 Now

6.
Explaining the Misplaced Giant Planets
2015-09-25
The standard theory of planet formation is based on our solar system. But does this view require revision based on the existence of misplaced giant planets-hot Jupiters circling close to their parent stars?

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 6 Now

5.
The Misplaced Giant Planets
2016-09-03
Investigate 51 Pegasi b, the first planet detected around a Sun-like star, which shocked astronomers by being roughly the size of Jupiter but in an orbit much closer to its star than Mercury is to the Sun. Probe the strange characteristics of these hot Jupiters, which have turned up around many stars.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 5 Now

4.
Pioneers of Planet Searching
2015-09-25
Chart the history of exoplanet hunting-from a famous false signal in the 1960s, through ambiguous discoveries in the 1980s, to the big breakthrough in the 1990s, when dozens of exoplanets turned up. Astronomers were stunned to find planets unlike anything in the solar system.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 4 Now

3.
Doppler and Transit Planet-Finding Methods
2015-09-25
Explore two other indirect approaches for finding exoplanets: first, by measuring the Doppler shift in the color of a star due to the pull of an unseen orbiting planet; and second, by measuring the tiny drop in the brightness of a star as a planet transits in front of it.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 3 Now

2.
How to Find an Exoplanet
2015-09-25
Given the extreme faintness of a planet relative to the star it orbits, how can astronomers possibly find it? Learn about direct and indirect methods of detection.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 2 Now

1.
Why Study Exoplanets?
2015-09-25
Learn about the exciting mission of exoplanetary science-the study of planets orbiting stars beyond the Sun. Review the eight planets in our solar system, which provide a baseline for understanding the more than 1,000 worlds recently discovered in our region of the Milky Way galaxy.

Watch The Search for Exoplanets: What Astronomers Know Season 1 Episode 1 Now

The Search for Exoplanets: What Astronomers Know is an electrifying and enlightening education series on The Great Courses Signature Collection.

This captivating series takes viewers on an extraordinary journey into the farthest reaches of the universe, guiding them through the thrilling quest of identifying exoplanets - these mysterious bodies existing beyond the confines of our solar system. This superior blend of space exploration and cutting-edge science offers an unparalleled deep-dive into unveiling the truths of our cosmos and its vast reality, offering unique insights and pure engagement.

The Search for Exoplanets: What Astronomers Know is delivered by the accomplished astronomer and professor, Dr. Joshua Winn of Princeton University, a leading authority in the study of exoplanets. His wealth of knowledge, clear communication style, and contagious enthusiasm naturally guide viewers throughout the 24-episode series.

In the first half, the series demystifies the solar system's origins, leading to an intricate understanding of planets and their complex characteristics. It sets an essential foundation for exoplanet exploration by delving into the details of our planetary system and how astronomers determine a planet's age and composition.

As viewers progress through the series, they learn about the different techniques used in the detection of exoplanets. Dr. Winn patiently and interestingly imparts the principles behind these detection methods, from measuring tiny dips in starlight intensity (the transit method) to observing slight shifts in spectral lines (the Doppler spectroscopy method).

The compelling narrative is backed by magnificent visuals that engage viewers, enhancing learning and keeping interest piqued at all times. The series also examines the challenges encountered in these detection methods and discusses how astronomers continually innovate and refine their approaches in the quest to discover and analyze these distant celestial bodies.

Transitioning to the latter episodes, the show explores the possibility of alien life. It delves into the "habitable zone" argument and the requirements for life as we know it to exist on other planets. The show discusses the fascinating prospect of finding planets with conditions that might support extraterrestrial living organisms, stirring the imagination of viewers and challenging them to ponder life's existential mysteries. It examines the role of missions like the Kepler Space Telescope and the impact of upcoming technological advancements in planetary discovery and alien life research.

Furthermore, The Search for Exoplanets: What Astronomers Know gives viewers a tour of some notable exoplanets discovered to date – from "super-Earths" to "hot Jupiters" – and delves into their unique environments and how they differ from planets in our solar system.

By the end of the series, viewers develop a robust understanding of the history of our solar system, the techniques used in the discovery of exoplanets, and the exciting future prospects in this rapidly advancing field of astronomy. Dr. Winn's captivating delivery and intricate knowledge turn seemingly complex scientific concepts into digestible and exciting information throughout the series, making it a remarkable resource for both seasoned astronomers and anyone with a keen interest in space exploration.

The series also tackles profound philosophical questions, prompting viewers to reflect on mankind's place in the universe and our shared future. The show's fascinating narrative combined with stunning celestial visuals culminates in an immersive viewing experience that marries education with entertainment, transforming viewers from mere spectators into active explorers of our varied vast universe.

Overall, The Search for Exoplanets: What Astronomers Know is an enlightening journey through the cosmos. It skillfully presents the pursuit of new planets and life forms, making it a must-watch for astronomy enthusiasts and any viewers seeking to expand their understanding of the universe. The captivating series cuts through the black veil of the unknown, gifting audiences a glimpse of the vast mysteries waiting to be discovered beyond our solar system.

This is no ordinary educational series – it's a celebration of human curiosity, a salute to the spirit of exploration, and an invitation to marvel at the wonders of the cosmos.

The Search for Exoplanets: What Astronomers Know is a series categorized as a new series. Spanning 1 seasons with a total of 24 episodes, the show debuted on 2015. The series has earned a no reviews from both critics and viewers. The IMDb score stands at undefined.

How to Watch The Search for Exoplanets: What Astronomers Know

How can I watch The Search for Exoplanets: What Astronomers Know online? The Search for Exoplanets: What Astronomers Know is available on The Great Courses Signature Collection with seasons and full episodes. You can also watch The Search for Exoplanets: What Astronomers Know on demand at Prime Video, Amazon online.

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