John Moffat: Model

John Moffat is British-Canadian physicist. Explore interesting quotes on model.
John Moffat: 44   quotes 0   likes

“Could it be, nevertheless, that Einstein's theory is wrong? Might it be necessary to modify it—to find a new theory of gravity that can explain both the stronger gravity and the apparent antigravity being observed today—rather than simply throwing in invisible things to make the standard model work?”

John Moffat book Reinventing Gravity

Introduction, A New Gravity Theory, p. xi
Reinventing Gravity (2008)

“Today, like the elusive planet Vulcan in the nineteenth century, dark matter is accepted by the majority of astronomers and physicists as actually existing. Dark matter, although it has never been seen, is part of the generally accepted standard model of physics and cosmology, which also includes the big bang beginning of the universe.”

John Moffat book Reinventing Gravity

Source: Reinventing Gravity (2008), Chapter 4, Dark Matter, p. 69

Universe , Parting

“It is difficult to falsify the hypothesis of dark matter, because, as with Ptolemy's epicycles, true believers can always add additional arbitrary features and free parameters to overcome any conceivable difficulties that occur with the dark matter models.”

John Moffat book Reinventing Gravity

Source: Reinventing Gravity (2008), Chapter 10, Modified Gravity (MOG), p. 163-164

“Indeed, there is a now a minority of cosmologists who question a beginning of the universe at all; instead they favor a cyclic model with a series of expansions and contractions.”

John Moffat book Reinventing Gravity

Source: Reinventing Gravity (2008), Chapter 16, The Eternal Universe, p. 213 (See also: Fred Hoyle)

Question , Universe

“In estimating the amount of dark matter, cosmologists developing the standard model have to make some rather strong assumptions about their observations.”

John Moffat book Reinventing Gravity

Source: Reinventing Gravity (2008), Chapter 7, New Cosmological Data, p. 120

Strong