Ivan Debono

A notebook of useful things

Page 3 of 8

Musica universalis (9) – The speed of light

Bas & Ram (2006), Speed Of Light

 

Bibliography

Albert Abraham Michelson, Measurement of the Velocity of Light Between Mount Wilson and Mount San Antonio and references.

Musica universalis (8) – Spacetime

Ascania (2013), Spacetime

 

Bibliography

Albert Einstein (1905), Zur Elektrodynamik bewegter Körper

Henri Poincaré (1905/6), Sur la dynamique de l’électron

Hermann Minkowski (1907/8), Die Grundgleichungen für die elektromagnetischen Vorgänge in bewegten Körpern

Musica universalis (7) – Photons

Tommygoff (2012), Photon 

 

Bibliography

Albert Einstein (1905), Über einen die Erzeugung und Verwandlung des Lichtes betreffenden heuristischen Gesichtspunkt

 

Musica universalis (6) – Dark energy

Oliver Lieb (2014), Dark Energy

 

Bibliography

Observational evidence from supernovae for an accelerating universe and a cosmological constant

Measurements of Omega and Lambda from 42 high redshift supernovae

 

 

Musica universalis (4) – Gravitation

Alexander Popov (2012), Attractive force

 

Bibliography

Isaac Newton, Philosophiæ naturalis principia mathematica

Albert Einstein, Die Grundlage der allgemeinen Relativitätstheorie

Musica universalis (3) – Fractal cosmology

Mat Zo (2009), Fractal Universe

 

Bibliography

Andrei D. Linde, Eternally existing self-reproducing chaotic inflationary universe, and references to it.

Musica universalis (1) – String Theory

Temple One (2009), String Theory

 

Bibliography

The early history of string theory and supersymmetry,  and references therein.

The first photograph of the Moon…

…and the birth of astrophotography.

The earliest known photograph of the Moon was taken by John William Draper in 1839 or 1840. Draper, an Englishman by birth, was a chemistry professor at New York University at the time. This silver platinum plate of the Moon was the first of a series he shot through his telescope.

First known photograph of the moon

From this: Probably the first photograph of the moon, 1839

 

In 2013, the Hubble Space Telescope took a picture of the farthest galaxy ever discovered,  the dwarf galaxy z8_GND_5296. Since far=old (that’s 13.1 billion years old), it also holds the record for the oldest object ever photographed using visible light.

To this: A photo of the farthest galaxy ever discovered, 2013.

To this: A photo of the farthest galaxy ever discovered, 2013.

 

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