Review Chemistry

The majority of galaxies are moving away from us and eachother

Noise radiation (static) is evenly spread across space.

COSMIC MICROWAVE BACKGROUND OR CMB IS THE RADIATION THAT FILLS THE UNIVERSE AND CAN BE DETECTED IN EVERY DIRECTION. IT IS INVISIBLE TO THE NAKED EYE AND CAN'T BE SEEN WITHOUT INSTRUMENTS. IT WAS CREATED SHORTLY AFTER THE BIG BANG AND REPRESENTS THE EARLIEST DETECTED RADIATION. ASTRONOMERS HAVE LINKED IT TO SEEING SUNLIGHT PENETRATING AN OVERCAST SKY.

As the universe expanded and cooled some of the elements that we see today were created. The Big Bang Theory predicts how much of each of the elements should have been made in the early universe. The universe is mostly made up of hydrogen while humans are oxygen.

The steady state theory is the theory that the universe doesn't change very much. Because light takes so long to travel across the universe, every time we look at distant galaxies we are looking back in time.

Dalton's Postulates

Matter is composed of very tiny or microscopic particles called "Atom". ... Atom can neither be created nor it is destroyed. Atoms of an element are identical in size, shape, mass and in other properties.

Thomson Cathode Ray Tube Experiment

Plum Pudding Model

Rutherford Gold Foil Experiment

Bohr's Model of the Atom

Credits:

Created with images by George Alexander Ishida Newman - "Galaxy" • xmith xmith - "the doppler effect" • Sam Bald - "Magic Ball" • Sam Bald - "Magic Ball" • NASAblueshift - "The CMB Cold Spot" • James St. John - "Copper crystals (Mesoproterozoic, 1.05-1.06 Ga; Quincy Mine, Hancock, Upper Peninsula of Michigan, USA) 4" • Hugo-90 - "Hydrogen Powered Mustang" • fdecomite - "Oxygen" • James St. John - "Precious opal (Lightning Ridge, New South Wales, Australia) 1"

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