Science1

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Science2

- Earth -

Science3

- Life -

SCIENCE-1
(Astronomy / Cosmology)

Astronomy / Cosmology
Earth / Weather
Cellular Life

Astronomy

Universe Atlas  / Astronomical Sizes

Ringnebula in Lyra (M57)

You Are Here - The Milky Way

Solar Events  / SpaceWx  / Meteors

Astronomical Photos

First Black Hole Images! 4-2019

Light Speed Is Constant


Michelson-Morley:
Light Speed is a Constant



Time Is Variable



Time Varies with Relative Speed


Cosmology

Video: CMB-LSS to Now

Time evolution of a 10-Mpc (comoving) region from z=1090 (CMB-LSS) to z=0 (the present); transitions between the dark matter density field, gas temperature (blue: cold, green: warm: white: hot), and gas metallicity.

Observational Cosmology

Tutorial: Cosmology

Tutorial: Inflation

NOTES: "A Universe From Nothing"

NOTES: "Timeline of The Universe"

NOTES: "The First Three Minutes"

NOTES: "Inflationary Universe"

NOTES: "CMB Calculations"

NOTES: "Cosm.Grp Topics TOC"


Particle Physics


Particle Interaction Diagrams

Updated: January 21, 2025 5:56 PM