In 1916, Edwin Hubble
discovered that the nebula itself varied in shape and brightness.
confirmed the existence of other galaxies after discovering that objects, dismissed as dust or gas, were galaxies.
Science writers and astronomy scholars provide an introduction to astronomy and its discoveries about space, time, and the physics of the cosmos, detailing the history of the subject from ancient speculations about the nature of the universe, to the Copernican revolution, to the rise of astrophysics, to the theory of relativity, to theories about dark energy and cosmic expansion, including technological breakthroughs like GalileoAEs telescope; the first person on the moon; discoveries about gravity, planets, nebulae, stars, the Big Bang, and black holes; and the contributions of key astronomers like Copernicus, Tycho Brahe, and Edwin Hubble
Almost 100 years ago, American astronomer Edwin Hubble
invented the morphological classification scheme for galaxies.
Moving from the most intimate of human activities to the profound and expansive dimensions of the universe, "In Hubble's Shadow" is a collection of poems by Carol Smallwood that explores, as did Edwin Hubble
, the elusive mysteries of life.
Churchill was skeptical of many of his own assumptions (he notes that just because all life on Earth requires water doesn't mean that other forms of life aren't possible) and Livio writes that he was clearly familiar with the science of his time, including the work of Edwin Hubble
In the 20s, the astronomer Edwin Hubble
was working on improving our understanding of the huge scale of the universe.
Following the 1920 Great Debate between the astronomers Harlow Shapley and Heber Curtis, observations by Edwin Hubble
showed that the Milky Way is just one of many galaxies--now estimated to number as many as 200 billion galaxies in the observable universe.
Henrietta Swan Leavitt (1868-1921) was a brilliant astronomer whose groundbreaking work led Edwin Hubble
to discover that the universe is expanding, yet she is largely unknown.
, US astronomer, 1889 ROBERT Kennedy, US politician, 1925 KIMBERLEY Walsh, UK pop singer, 1981, above JOHN Jellicoe, British Admiral, 1935, above TOM Horn, American outlaw, 1903 IAN Smith, Rhodesia Prinmer Minister, 2007
com)-- In the early part of this century, Edwin Hubble
made a discovery that would change modern astronomy and prevailing thought on how the universe began - in a giant explosion known as the Big Bang more than 13 billion years ago.
Starlight Detectives throws light on the lives of many of astronomy's greats, from the well-known Edwin Hubble
to the early and fairly obscure William Bond, Harvard astronomer and telescope pioneer.