Mongrav

@UC9SXW3F-3xPy40hctVT4xJA - 245 subscribers

This Mongrav YouTube channel is for science courses that I (Walter Urbaniak) have created.

Home Videos Live Playlists

Solar panel partial shading, hotspots, and bypass diodes

Solar panel partial shading, hotspots, and bypass diodes Mongrav

493 views - 6 months ago

Estimating the Dark Matter mass of the Milky Way galaxy

Estimating the Dark Matter mass of the Milky Way galaxy Mongrav

73 views - 11 months ago

23. Cosmic inflation, UPDATED MAR 15, 2025.

23. Cosmic inflation, UPDATED MAR 15, 2025. Mongrav

134 views - 1 year ago

s9 Calculating horizon distance with cosmic inflation

s9 Calculating horizon distance with cosmic inflation Mongrav

44 views - 1 year ago

24. Cosmological history of our universe, UPDATED MAR 2025.

24. Cosmological history of our universe, UPDATED MAR 2025. Mongrav

195 views - 1 year ago

23. OLD VERSION. Cosmic inflation. This version has errors. Use the Mar 15, 2025 version.

23. OLD VERSION. Cosmic inflation. This version has errors. Use the Mar 15, 2025 version. Mongrav

51 views - 1 year ago

22. Baryogenesis and Big Bang Nucleosynthesis (BBN), UPDATED FEB 2025.

22. Baryogenesis and Big Bang Nucleosynthesis (BBN), UPDATED FEB 2025. Mongrav

92 views - 1 year ago

20. Dark Ages, first stars, and Reionization, UPDATED FEB 2025.

20. Dark Ages, first stars, and Reionization, UPDATED FEB 2025. Mongrav

208 views - 1 year ago

19. CMB variations and Baryon Acoustic Oscillations (BAO), UPDATED FEB 2025

19. CMB variations and Baryon Acoustic Oscillations (BAO), UPDATED FEB 2025 Mongrav

758 views - 1 year ago

21. Structure: galaxies, filaments, cosmic voids, UPDATED FEB 2025

21. Structure: galaxies, filaments, cosmic voids, UPDATED FEB 2025 Mongrav

180 views - 1 year ago

Global Warming, supplement 2: Using SpectraPlot

Global Warming, supplement 2: Using SpectraPlot Mongrav

43 views - 1 year ago

Global Warming, Part 7: Methane

Global Warming, Part 7: Methane Mongrav

12 views - 1 year ago

Global Warming, Part 6: Climate change uncertainty, skepticism, and denial

Global Warming, Part 6: Climate change uncertainty, skepticism, and denial Mongrav

15 views - 1 year ago

Global Warming, Part 5: Past temperatures and concentrations

Global Warming, Part 5: Past temperatures and concentrations Mongrav

3 views - 1 year ago

Global Warming, Part 4: Concentration, emissions, and goals

Global Warming, Part 4: Concentration, emissions, and goals Mongrav

21 views - 1 year ago

Global Warming, Part 3: MODTRAN

Global Warming, Part 3: MODTRAN Mongrav

74 views - 1 year ago

Global Warming, Part 2

Global Warming, Part 2 Mongrav

28 views - 1 year ago

Global Warming: How does it work? Part 1

Global Warming: How does it work? Part 1 Mongrav

76 views - 1 year ago

Global Warming, supplement 1: Absorption, thermalization, and remission by greenhouse gases

Global Warming, supplement 1: Absorption, thermalization, and remission by greenhouse gases Mongrav

76 views - 1 year ago

OLD OLD Use The New Course Instead

OLD OLD Use The New Course Instead Mongrav

103 views - 1 year ago

Superposition state probability density

Superposition state probability density Mongrav

56 views - 2 years ago

s8 Critical energy density and solving the Friedmann equation

s8 Critical energy density and solving the Friedmann equation Mongrav

453 views - 2 years ago

s7 Planck units

s7 Planck units Mongrav

89 views - 2 years ago

s6 Olbers’ paradox: Why is the night sky dark?

s6 Olbers’ paradox: Why is the night sky dark? Mongrav

93 views - 2 years ago

s5 positive curvature

s5 positive curvature Mongrav

170 views - 2 years ago

s4.6 proper distance and luminosity distance vs. redshift

s4.6 proper distance and luminosity distance vs. redshift Mongrav

389 views - 2 years ago

s4.5 How light reaches us in the future

s4.5 How light reaches us in the future Mongrav

16 views - 2 years ago

s4.4 How ancient light reaches us now

s4.4 How ancient light reaches us now Mongrav

13 views - 2 years ago

s4.3 cosmic event horizon

s4.3 cosmic event horizon Mongrav

48 views - 2 years ago

s4.2 the Hubble distance

s4.2 the Hubble distance Mongrav

67 views - 2 years ago

s4.1 the cosmic particle horizon

s4.1 the cosmic particle horizon Mongrav

151 views - 2 years ago

s4.0 intro Mongrav

17 views - 2 years ago

s4 cosmic horizons, the Hubble distance, and how ancient light reaches us

s4 cosmic horizons, the Hubble distance, and how ancient light reaches us Mongrav

219 views - 2 years ago

s3 negative pressure

s3 negative pressure Mongrav

59 views - 2 years ago

s2 simple model universes

s2 simple model universes Mongrav

31 views - 2 years ago

s1 Hubble Law, absorption lines, and cosmic distance ladder

s1 Hubble Law, absorption lines, and cosmic distance ladder Mongrav

61 views - 2 years ago

26. Open questions and doubts

26. Open questions and doubts Mongrav

13 views - 2 years ago

25. A terse history of our universe

25. A terse history of our universe Mongrav

27 views - 2 years ago

24. OLD VERSION. Cosmological history of our universe

24. OLD VERSION. Cosmological history of our universe Mongrav

39 views - 2 years ago

23. OLD VERSION. Cosmic inflation

23. OLD VERSION. Cosmic inflation Mongrav

23 views - 2 years ago

22. OLD VERSION. Baryogenesis and Big Bang Nucleosynthesis (BBN)

22. OLD VERSION. Baryogenesis and Big Bang Nucleosynthesis (BBN) Mongrav

68 views - 2 years ago

21. OLD VERSION. Structure: galaxies, filaments, cosmic voids. USE THE UPDATED VERSION

21. OLD VERSION. Structure: galaxies, filaments, cosmic voids. USE THE UPDATED VERSION Mongrav

42 views - 2 years ago

20. OLD VERSION. Dark Ages, first stars, and Reionization. USE THE UPDATED VERSION

20. OLD VERSION. Dark Ages, first stars, and Reionization. USE THE UPDATED VERSION Mongrav

33 views - 2 years ago

19. OLD VERSION. CMB variations and Baryon Acoustic Oscillations (BAO). USE THE UPDATED VERSION

19. OLD VERSION. CMB variations and Baryon Acoustic Oscillations (BAO). USE THE UPDATED VERSION Mongrav

516 views - 2 years ago

18. Cosmic Microwave Background (CMB) and Recombination, and size of universe

18. Cosmic Microwave Background (CMB) and Recombination, and size of universe Mongrav

91 views - 2 years ago

17. Big Crunch?

17. Big Crunch? Mongrav

41 views - 2 years ago

16. End of the universe: Big Rip

16. End of the universe: Big Rip Mongrav

54 views - 2 years ago

15. End of the universe: Big Chill

15. End of the universe: Big Chill Mongrav

43 views - 2 years ago

14. Thirteen billion years of expansion

14. Thirteen billion years of expansion Mongrav

53 views - 2 years ago

13. Radiation-dominated era

13. Radiation-dominated era Mongrav

61 views - 2 years ago

12. Matter and energy classification

12. Matter and energy classification Mongrav

40 views - 2 years ago

11. Standard cosmological model / Lambda CDM

11. Standard cosmological model / Lambda CDM Mongrav

456 views - 2 years ago

10. Friedmann equations with scale factor dependence

10. Friedmann equations with scale factor dependence Mongrav

217 views - 2 years ago

9. Friedmann acceleration equation and equations of state

9. Friedmann acceleration equation and equations of state Mongrav

156 views - 2 years ago

8. Friedmann equation

8. Friedmann equation Mongrav

303 views - 2 years ago

7. Cosmological redshift and radiation temperature

7. Cosmological redshift and radiation temperature Mongrav

61 views - 2 years ago

6. Expansion scale factor a(t)

6. Expansion scale factor a(t) Mongrav

183 views - 2 years ago

5. Visualizing the expanding universe. NOT an explosion.

5. Visualizing the expanding universe. NOT an explosion. Mongrav

1.4K views - 2 years ago

4. Hubble’s Law, Hubble tension, Hubble distance

4. Hubble’s Law, Hubble tension, Hubble distance Mongrav

127 views - 2 years ago

3. The Hot Big Bang

3. The Hot Big Bang Mongrav

105 views - 2 years ago