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For those not familiar with both terms cosmology explains how the cosmos works; astronomy deals with what we see in the universe, like planets and stars, and with the telescopes we use to see them.
I have posted some of my views on cosmology to a Facebook  (FB) group named: Cosmology & Astrophysics. The exchange of posts followed by comments and replies in this format is a presentation similar to a debate.

This is too much content for one very long topic or for so many individual topics in this web site. This way the browser gets each for the reader only  when selected.

If you have a FaceBook account and wish to see more of the exchanges (including posts and comments by others) in this FB group, I post as 'David Michalets'  Access is probably limited if not a member of the group.

Perhaps the FB group will close and I will find another similar site, but I have this copy of my content. Eventually I tired of other’s many posts about wrong conclusions, even after I pointed out those mistakes.
On 04/18/2019, I switched my posting to FB group named: Cosmology.  For the new group I revised several  previous posts and posted the new version to that group; I also posted new content to this group. Some members in this group became rather hostile when I questioned a black hole.
On 04/23/2019,  I switched my posting to the FB group named: Electric Universe theory. This group is receptive to discussing problems in cosmology. For my new content sometimes I also post a copy to that first FB group in an attempt to continue presenting new ideas though the two groups have a different history from me so some edits are needed.

Please click on the date link to see that day's text.

I consider the content from my posts below of more interest than comments I added to posts by others in a FB group.

Here are my posts to that group shown with its date;my comments to others’ posts starting in 2018 (> 50) are on a separate page; a brief topic is shown for each line
Click here to jump to the bottom (to most recent). List is long at > 90.

01/19/2019  Plasma Bending of Light

01/25/2019  C as the Speed Limit

01/26/2019  Cosmological Principle

01/26/2019  Cosmological Redshifts

01/26/2019   Cosmological Model

01/27/2019  Distance Calculation

01/28/2019  Dark Matter

02/01/2019 Gravitational waves

02/01/2019 SMBH Mass calculation

02/03/2019 Cosmology Off the Rails

02/04/2019 Dark Stuff

02/05/2019 Andromeda Core

02/05/2019 M87 Core

02/05/2019 IC1101 Core

02/06/2019 Abell 2218  Lensing

02/06/2019 Quantum Mechanics 10 Dimensions

02/07/2019 Time Travel

02/08/2019   Aliens

02/09/2019 Neutron Star

02/10/2019 SMBH calculation  update

02/13/2019 Milky Way Center

02/16/2019  Begin Time

02/17/2019 Cosmic Microwave Background CMB

02/22/2019 Red Shifts are Geocentric

02/23/2019 Universe Expansion is Geocentric

02/26/2019 Is Big Bang Logical

02/27/2019 Is Big Bang Logical - group exchanges

02/28/2019 Is Black Hole Singularity Logical

03/01/2019 SMBH Masses

03/06/2019 Space Time Curvature

03/07/2019 Hubble’s Law

03/08/2019 Electromagnetic Waves

03/09/2019 Does a Photon Exist

03/10/2019 Photon Spin Entanglement

03/11/2019 Creating Round Craters

03/18/2019 Local Group is Isolated from Its Space

03/19/2019 Local Group is Isolated - exchanges

03/18/2019 Andromeda Galaxy group has unique  blue shift

03/22/2019 Travel Faster Than Light

03/23/2019 - Black Hole Worm Hole

03/24/2019 - Space Time Geometry

03/25/2019 - Relativity and Light

03/27/2019 - Dwarf Planet Trivia

03/27/2019 - Gravitational Lensing Again - with exchanges

03/29/2019 - Andromeda Galaxy Group Blue Shift - Update

03/29/2019 - Red Shift Theory

03/30/2019 - Moon's  Gravitational lens

03/31/2019 - Matter Double Slit Experiment

03/31/2019 - Matter Double Slit Experiment - Follow Up

04/01/2019 - Photoelectric Effect Photon

04/03/2019 - Nebular Hypothesis

04/04/2019 - Maffei Galaxy Group

04/05/2019 - Matter Bends Light Not Gravity - with exchanges

04/06/2019 - Quasar Red Shift

04/10/2019 - Missing Dark Matter

04/10/2019 - Intergalactic Hydrogen Red Shift

04/12/2019 - M87 Core

04/12/2019 - Andromeda M31 Spectrum

04/13/2019 - Crisis in Cosmology

04/14/2019 - Hubble's Law, Hubble Flow, Hubble Constant

04/14/2019 - Using Absorption Lines  - with exchanges

04/15/2019 - Big Bang Predicament

04/16/2019 - M31 Dark Magnetic Field

04/16/2019 - M31 Relative Velocity

04/18/2019 - Galaxies with a Blue Shift

04/19/2019 - M31 Dark Magnetic Field

04/20/2019 - Spacetime Geometry

04/20/2019 - Impossible Black Hole

04/22/2019 - Impossible Black Hole - Reaction Exchanges

04/22/2019 - Spacetime Geometry - Reaction Exchanges

To the Electric Universe Theory FB group:
Several of the above topics were posted with no or minimal changes.
These were updates or new.

04/24/2019 - Hubble's Law Assumption

04/24/2019 - Refuting Relativity

04/24/2019 - Quasar Red Shift Update

04/26/2019 - Round Craters

04/29/2019 - Einstein's Cross looks like Hoag's Object - 1

04/29/2019 - Einstein's Cross looks like Hoag's Object - 2

04/29/2019 - Einstein's Cross looks like Hoag's Object - 3

04/30/2019 - Venus Runaway Greenhouse

05/02/2019 - Astronomers Repeat A Mistake

05/02/2019 - Relativity and Velocity

05/04/2019 - Local Group is Isolated

05/05/2019 - Asteroid As Old As Earth

05/05/2019 - Martian Craters

05/06/2019 - Sensational Terminology

05/06/2019 - LIGO Design Critique

05/08/2019 - Gravitational Waves in Newtonian Physics

05/08/2019 - LIGO events and the Moon Phase

05/10/2019 - LIGO events and the Moon Position

05/11/2019 - The Need for Dark Matter

05/12/2019 - Shifts in Emission Lines and Absorption Lines for M31

05/13/2019 - Virgo-centric Flow and no Hubble Flow

05/15/2019 - Using Absorption and Emission Lines

05/17/2019 - Gaia Spectrum Data

05/21/2019 - Sagittarius A* in radio

05/22/2019 - Distances to Galactic Clusters

new posts to the FB group are inserted here in chronological order.

My comments to others’ posts are in a separate topic (> 50).
(updated 05/21/2019)

to my
Research to support posting activity; includes 12 non-posted topics  (topic added 05/15/2019)

created - February 2019
last change (here and comments) - 05/22/2019
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