Uploaded February 2022 | Updated September 2026, 2 weeks ago
Our Socratica Astronomy series is back! Bookmark the playlist here:
✷ socratica.link/Astro_Playlist
We also ask you join our STELLAR email list so we can notify you when new videos go live:
✷ snu.socratica.com/astronomy
(Don’t rely on the YT algorithm to show you what you’re really interested in!)
✵✵✵✵✵ Units of Mass in Astronomy
Kilograms, Earth Mass, Jupiter Mass, Solar Mass
We’re familiar with grams and kilograms as measures of mass here on Earth. But when it comes time to measure the mass of immense objects like planets, it makes more sense to compare them to the masses of other planets. That’s why astronomers have defined the units Earth Mass, Jupiter Mass, & Solar Mass.
✵✵✵✵✵ CHAPTERS
You can jump to chapters in the video here:
0:00 Units of mass here on Earth (grams, kilograms)
0:28 Earth Mass
1:06 The mass of Mercury, Venus, and Mars
2:00 Jupiter Mass
2:34 mass of Saturn, Uranus, and Neptune
2:48 mass of Extrasolar Planets and Brown Dwarfs
3:00 Solar Mass
4:00 Using Kepler’s Third Law to calculate Mass
4:50 Big stars vs small stars
5:40 Why do we want to know a star’s mass?
6:00 Supernova vs Planetary Nebula
6:45 Challenge Question
When you’re ready, you can check your work on the Challenge problem on our webpage:
✷ socratica.com/lesson/astronomical-masses-problem
Our video about Kepler’s Third Law:
✷ socratica.com/lesson/keplers-third-law-of-motion
✵✵✵✵✵ THANKS TO OUR SOCRATICA FRIENDS
We are so lucky to know these kind people who care deeply about educating the world! Our VIP Patrons include: Scott Dreblow, Nunya Beezwax (hehe), Justin Fritz, Chris Kunstt, Marcos Silveira, Israel Scott Grogin, Christopher Kemsley, Philip Rice, Eric Eccleston, Jeremy Shimanek, Michael Shebanow, Kavon Johnson, Nikita Lesnikov, Charles Southerland, Alvin Khaled, John Krawiec, Umar Khan, MdeG, Carlos Araujo, and Tracy Karin Prell.
Special Thanks go out to @Launch Pad Astronomy! Liliana & Kimberly attended the annual Launchpad Astronomy Workshop for writers, led by astronomy professors Mike Brotherton & Christian Ready. Read more about our experience here:
✷ launchpadworkshop.org
✷ socratica.com/the-socratica-method/launchies
Christian generously reviewed this script & offered advice. Visit his channel “Launchpad Astronomy” where your friendly neighborhood astronomer keeps you informed about astro news!
✷ youtube.com/c/ChristianReady/videos
✵✵✵✵✵ SUPPORT SOCRATICA
You can support our channel by using our affiliate links. These are books & other resources we can personally recommend. A small % of your purchase (usually 1-2%) will be shared with Socratica by the vendor.
We highly recommend the Astronomy textbook “Universe” by Roger Freedman et al:
✷ 10th Edition amzn.to/2tfBjUe
✷ 11th Edition amzn.to/3mhxqvv
Moon Globe with explorations
✷ amzn.to/3me3kZM
Celestron 6-inch computerized telescope
✷ amzn.to/3mhdysk
Our STUDY TIPS BOOK is now available!
How To Be a Great Student
✷ e-book: amzn.to/2Lh3XSP
✷ Paperback: amzn.to/3t5jeH3
Or read for free when you sign up for Kindle Unlimited:
✷ amzn.to/3atr8TJ
Shop Amazon Used Textbooks - Save up to 90%
✷ amzn.to/2pllk4B
✵✵✵✵✵ MORE WAYS TO SUPPORT SOCRATICA
JOIN this channel for cute owl badges:
✷ bit.ly/SocraticaBadges
SUBSCRIBE to Socratica:
✷ bit.ly/SocraticaSubscribe
SUPPORT Socratica on Patreon:
✷ patreon.com/socratica
DONATE with Paypal:
✷ paypal.me/socratica
GIFT CRYPTO with Bitcoin:
✷ Our address is bc1qda47tgfyk67lxa7yqn8y5m02hjcglghsd5c58n
✵✵✵✵✵ CREDITS
Presented by Liliana De Castro
Written by Kimberly Hatch Harrison
Produced by Kimberly Hatch Harrison & Michael Harrison
Picture Credits
51 Pegasi b
exoplanets.nasa.gov/resources/289/infographic-profile-of-planet-51-pegasi-b
Author: NASA/JPL
Gliese 229B
hubblesite.org/contents/media/images/1995/48/372-Image.html?news=true
Author: S. Kulkarni (Caltech), D.Golimowski (JHU) and NASA
RMC136a1
en.wikipedia.org/wiki/R136a1#/media/File:ESO_-_Eso1030a_(by).jpg
Author: ESO
Kepler’s Supernova 1604
https://chandra.harvard.edu/photo/2012/kepler/kepler_xray.jpg
Author: NASA/CXC/SAO/D.Patnaude
Supernova 1987A
nasa.gov/sites/default/files/thumbnails/image/stsci-h-p1708a-m-1823x2000.png
Author: NASA, ESA, R. Kirshner (Harvard-Smithsonian Center for Astrophysics & Gordon & Betty Moore Foundation)/ M. Mutchler & R. Avila (STScI)
Crab Nebula
apod.nasa.gov/apod/image/0910/crabmosaic_hst_big.jpg
Author: NASA, ESA, J. Hester, A. Loll (ASU); Acknowledgement: Davide De Martin (Skyfactory)
Che Forze by Bellodrone AAWXWRFBJQ9VQWMW
Free Radicals by Bellodrone Z0NHOPZ2R101WRAN
Queens by Bellodrone VLAQAA5UNQZSW6BA
Breathings by Bellodrone J8VDEWEZU1NUAZRT
#Astronomy #EarthMass #SolarMass
Our Socratica Astronomy series is back! Bookmark the playlist here:
✷ socratica.link/Astro_Playlist
We also ask you join our STELLAR email list so we can notify you when new videos go live:
✷ snu.socratica.com/astronomy
(Don’t rely on the YT algorithm to show you what you’re really interested in!)
✵✵✵✵✵ Units of Mass in Astronomy
Kilograms, Earth Mass, Jupiter Mass, Solar Mass
We’re familiar with grams and kilograms as measures of mass here on Earth. But when it comes time to measure the mass of immense objects like planets, it makes more sense to compare them to the masses of other planets. That’s why astronomers have defined the units Earth Mass, Jupiter Mass, & Solar Mass.
✵✵✵✵✵ CHAPTERS
You can jump to chapters in the video here:
0:00 Units of mass here on Earth (grams, kilograms)
0:28 Earth Mass
1:06 The mass of Mercury, Venus, and Mars
2:00 Jupiter Mass
2:34 mass of Saturn, Uranus, and Neptune
2:48 mass of Extrasolar Planets and Brown Dwarfs
3:00 Solar Mass
4:00 Using Kepler’s Third Law to calculate Mass
4:50 Big stars vs small stars
5:40 Why do we want to know a star’s mass?
6:00 Supernova vs Planetary Nebula
6:45 Challenge Question
When you’re ready, you can check your work on the Challenge problem on our webpage:
✷ socratica.com/lesson/astronomical-masses-problem
Our video about Kepler’s Third Law:
✷ socratica.com/lesson/keplers-third-law-of-motion
✵✵✵✵✵ THANKS TO OUR SOCRATICA FRIENDS
We are so lucky to know these kind people who care deeply about educating the world! Our VIP Patrons include: Scott Dreblow, Nunya Beezwax (hehe), Justin Fritz, Chris Kunstt, Marcos Silveira, Israel Scott Grogin, Christopher Kemsley, Philip Rice, Eric Eccleston, Jeremy Shimanek, Michael Shebanow, Kavon Johnson, Nikita Lesnikov, Charles Southerland, Alvin Khaled, John Krawiec, Umar Khan, MdeG, Carlos Araujo, and Tracy Karin Prell.
Special Thanks go out to @Launch Pad Astronomy! Liliana & Kimberly attended the annual Launchpad Astronomy Workshop for writers, led by astronomy professors Mike Brotherton & Christian Ready. Read more about our experience here:
✷ launchpadworkshop.org
✷ socratica.com/the-socratica-method/launchies
Christian generously reviewed this script & offered advice. Visit his channel “Launchpad Astronomy” where your friendly neighborhood astronomer keeps you informed about astro news!
✷ youtube.com/c/ChristianReady/videos
✵✵✵✵✵ SUPPORT SOCRATICA
You can support our channel by using our affiliate links. These are books & other resources we can personally recommend. A small % of your purchase (usually 1-2%) will be shared with Socratica by the vendor.
We highly recommend the Astronomy textbook “Universe” by Roger Freedman et al:
✷ 10th Edition amzn.to/2tfBjUe
✷ 11th Edition amzn.to/3mhxqvv
Moon Globe with explorations
✷ amzn.to/3me3kZM
Celestron 6-inch computerized telescope
✷ amzn.to/3mhdysk
Our STUDY TIPS BOOK is now available!
How To Be a Great Student
✷ e-book: amzn.to/2Lh3XSP
✷ Paperback: amzn.to/3t5jeH3
Or read for free when you sign up for Kindle Unlimited:
✷ amzn.to/3atr8TJ
Shop Amazon Used Textbooks - Save up to 90%
✷ amzn.to/2pllk4B
✵✵✵✵✵ MORE WAYS TO SUPPORT SOCRATICA
JOIN this channel for cute owl badges:
✷ bit.ly/SocraticaBadges
SUBSCRIBE to Socratica:
✷ bit.ly/SocraticaSubscribe
SUPPORT Socratica on Patreon:
✷ patreon.com/socratica
DONATE with Paypal:
✷ paypal.me/socratica
GIFT CRYPTO with Bitcoin:
✷ Our address is bc1qda47tgfyk67lxa7yqn8y5m02hjcglghsd5c58n
✵✵✵✵✵ CREDITS
Presented by Liliana De Castro
Written by Kimberly Hatch Harrison
Produced by Kimberly Hatch Harrison & Michael Harrison
Picture Credits
51 Pegasi b
exoplanets.nasa.gov/resources/289/infographic-profile-of-planet-51-pegasi-b
Author: NASA/JPL
Gliese 229B
hubblesite.org/contents/media/images/1995/48/372-Image.html?news=true
Author: S. Kulkarni (Caltech), D.Golimowski (JHU) and NASA
RMC136a1
en.wikipedia.org/wiki/R136a1#/media/File:ESO_-_Eso1030a_(by).jpg
Author: ESO
Kepler’s Supernova 1604
https://chandra.harvard.edu/photo/2012/kepler/kepler_xray.jpg
Author: NASA/CXC/SAO/D.Patnaude
Supernova 1987A
nasa.gov/sites/default/files/thumbnails/image/stsci-h-p1708a-m-1823x2000.png
Author: NASA, ESA, R. Kirshner (Harvard-Smithsonian Center for Astrophysics & Gordon & Betty Moore Foundation)/ M. Mutchler & R. Avila (STScI)
Crab Nebula
apod.nasa.gov/apod/image/0910/crabmosaic_hst_big.jpg
Author: NASA, ESA, J. Hester, A. Loll (ASU); Acknowledgement: Davide De Martin (Skyfactory)
Che Forze by Bellodrone AAWXWRFBJQ9VQWMW
Free Radicals by Bellodrone Z0NHOPZ2R101WRAN
Queens by Bellodrone VLAQAA5UNQZSW6BA
Breathings by Bellodrone J8VDEWEZU1NUAZRT
#Astronomy #EarthMass #SolarMass
