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cosmic inflation

Sagittarius C
Photo credit: NASA, ESA, CSA, STScI, and S. Crowe (University of Virginia).

A Philosopher Rejects the Multiverse but Embraces Mythology

Ascribing sentience or cosmic purpose to forces or the particles on which they act is to step out of the realm of science into the realm of myth-making. Read More ›
Meyer book background image
molo
Image source: Discovery Institute.

Four Reasons the Multiverse Fails as Science

The multiverse theory has been embraced as a defense against what Stephen Meyer calls the God Hypothesis. Read More ›
Paul_J._Steinhardt 2
Photo: Paul Steinhardt, by Sleepy Geek, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons.

To Avoid a Cosmic Beginning, Physicist Paul Steinhardt Goes to Extraordinary Lengths

Steinhardt is one of the most interesting and influential figures in cosmology. He was one of the original architects of inflationary cosmology. Read More ›
multiverse
Image source: Wikimedia Commons.

Is the Multiverse Science or Religion?

Or pseudoscience? A no-nonsense theoretical physicist reveals a gift for comedy as she tries to explain theories that place no constraints on what can happen. Read More ›
hubble_32nd_hickson40
Photo: Galaxies as seen by the Hubble Space Telescope, by NASA, ESA, STScI; Image Processing: Alyssa Pagan (STScI).

How Do We Know the Age of the Universe?

A correspondent asked me recently how we know the age of the universe. The answer is calculated from the inverse of the Hubble constant. Read More ›
Big Bang
Image credit: Rick Bolin, via Flickr (cropped).

Cyclic Universe Can’t Avoid a Cosmic Beginning

The recent flutter over whether the James Webb Space Telescope’s data stream is a plus or a minus for the Big Bang raised interesting cosmological issues. Read More ›
galaxy cluster SMACS 0723
Photo: Galaxy cluster SMACS 0723, by James Webb Space Telescope, via NASA, ESA, CSA, and STScI.

Does the James Webb Space Telescope Show that the Big Bang Didn’t Happen?

The unexpected new data coming back from the telescope are inspiring panic among astronomers. Read More ›
multiverse
Image credit: Gerd Altmann via Pixabay.

Astrophysicists Battle over Whether the Multiverse Must Exist

"If cosmic inflation and quantum field theory are both correct, then the Multiverse arises as an inevitable consequence of the two." Read More ›
Paul_J._Steinhardt 2
Photo: Paul Steinhardt, by Sleepy Geek, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons.

Paul Steinhardt’s Cyclical Cosmology Fails to Challenge a Cosmic Beginning 

The conclusion that the universe had a beginning is far more parsimonious and consistent with the evidence. Read More ›
Stephen Meyer
Photo source: Discovery Institute.

Critics Respond to Stephen Meyer’s New Book (Without Mentioning Him by Name)

The critics, including Ethan Siegel, appear to see Meyer much like Voldemort in the Harry Potter series. Read More ›

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