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The Series Finale of Online Education: Coursera Acquires Udemy

$7.2 billion in combined revenue since 2020. $8 billion in lost market value. This merger marks the end of an era in online education.

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X-ray Astronomy

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Explore high-energy cosmic phenomena through X-ray spectroscopy, space telescope data, and neutron star physics. Learn from leading astrophysics institutions on YouTube, Coursera, and MIT OpenCourseWare, covering missions like Chandra, NICER, and eROSITA while studying black holes and extreme stellar objects.

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The Royal Institution
The Grand Design - Exploring the Modern Picture of the Universe - Lecture 1

Explore the modern picture of the Universe through a guided tour from our backyard to the cosmic edges, examining stars, galaxies, and large-scale structures across all astronomical wavebands.
- YouTube
- 1 hour
- On-Demand
- Free Video
APS Physics
NICER Mission: Exploring Neutron Star Physics and Astrophysics from the ISS

Exploring neutron stars with NASA's NICER mission: probing extreme physics, dense matter, and strong gravity from the International Space Station through soft X-ray observations of celestial sources.
- YouTube
- 39 minutes
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- Free Video
International Centre for Theoretical Sciences
X-ray and Microwave Cosmology: Synergy and Competition - Lecture 1

Explore X-ray and microwave cosmology, focusing on CMB interactions with hot electrons and their impact on our understanding of the Universe. Learn about cutting-edge telescopes and spacecraft.
- YouTube
- 1 hour 15 minutes
- On-Demand
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Materials Research Society
Materials for the Lynx Space Telescope - Adaptive Optics and Piezoelectric Thin Films

Exploring piezoelectric thin films for adaptive optics in space telescopes, their potential to unravel cosmic mysteries, and applications in terrestrial optics and space technology.
- YouTube
- 17 minutes
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Galileo Galilei Institute
Neutron Star Mass and Radius Constraints and Correlations to Dense Matter Equation of State

Explore neutron star mass-radius constraints and their connections to dense matter equations of state in this insightful astrophysics lecture by J. Lattimer.
- YouTube
- 57 minutes
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Centrum Fizyki Teoretycznej PAN
High-Frequency Quasi-Periodic Oscillations and Oscillations of Accretion Disks

Explore high-frequency variability in X-ray light curves of accreting black holes and neutron stars, focusing on orbital motion and oscillations of thin accretion disks, their linear modes, and nonlinear interactions.
- YouTube
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Kavli Institute for Theoretical Physics
Using Dwarf Post-Starburst Galaxies as Probes of TDEs around Intermediate Mass Black Holes

Explore dwarf post-starburst galaxies as probes for tidal disruption events around intermediate mass black holes, offering insights into galactic nuclei and black hole properties.
- YouTube
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Kavli Institute for Theoretical Physics
A Systematic Analysis of X-ray Emission in Optically Selected Tidal Disruption Events

Systematic analysis of X-ray emission in optically selected Tidal Disruption Events, exploring insights into galactic nuclei and supermassive black holes through luminous accretion flares.
- YouTube
- 30 minutes
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Kavli Institute for Theoretical Physics
Pre-peak Emission in Tidal Disruption Events

Explore pre-peak emission in tidal disruption events with Xiaoshan Huang. Gain insights into stellar destruction by supermassive black holes and their luminous accretion flares.
- YouTube
- 33 minutes
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Kavli Institute for Theoretical Physics
Tidal Disruption Events: From Accretion and Outflow to Emissions

Explore tidal disruption events: star destruction by supermassive black holes, resulting in luminous accretion flares. Learn about accretion, outflows, and emissions in this astrophysics talk.
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Kavli Institute for Theoretical Physics
What Can X-ray Selected TDEs Tell Us About the Physics of Disruption and Accretion

Explore X-ray selected tidal disruption events and their insights into disruption and accretion physics in supermassive black holes, presented by Richard Saxton from ESAC.
- YouTube
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Kavli Institute for Theoretical Physics
Partial Tidal Disruption Events: Elixir of Life

Explore partial tidal disruption events and their role in galactic nuclei. Learn about stellar destruction by supermassive black holes and the resulting accretion flares that provide insights into cosmic phenomena.
- YouTube
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Kavli Institute for Theoretical Physics
Relativistic Outflows in Tidal Disruption Events: Rates, Energetics and Implications for UHECRs

Explore relativistic outflows in tidal disruption events, examining rates, energetics, and implications for ultra-high-energy cosmic rays with expert Paz Beniamini from Open University Israel.
- YouTube
- 28 minutes
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Kavli Institute for Theoretical Physics
Enhanced Tidal Disruption Event Rate in Active Galactic Nuclei

Explore enhanced tidal disruption event rates in active galactic nuclei, examining the interaction between stars and supermassive black holes in galactic centers.
- YouTube
- 31 minutes
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Kavli Institute for Theoretical Physics
Why Do Tidal Disruption Events Shine in Optical and Radio More Than X-ray

Explore why tidal disruption events emit more optical and radio waves than X-rays, offering insights into supermassive black holes and galactic nuclei through luminous accretion flares.
- YouTube
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