The Books Insiderindependent audiobook data
Gravity's Engines: How Bubble-Blowing Black Holes Rule Galaxies, Stars, and Life in the Cosmos by Caleb Scharf

Gravity's Engines: How Bubble-Blowing Black Holes Rule Galaxies, Stars, and Life in the Cosmos: Audiobook

According to The Books Insider's catalog data, the Gravity's Engines: How Bubble-Blowing Black Holes Rule Galaxies, Stars, and Life in the Cosmos audiobook runs 8 hours unabridged, narrated by Caleb Scharf (about 5.3 hours at 1.5× playback speed).

8listening hrs
Astronomy & Physicsstore shelf
2012released
Free for new listeners

The instrument When will you finish it?

Based on 8 hours of listening.

Days to finish Gravity's Engines: How Bubble-Blowing Black Holes Rule Galaxies, Stars, and Life in the Cosmos at common listening paces
Your paceYou'll finish in
30 min / day16 days
1 hour / day8 days
2 hours / day4 days
1 hour / day at 1.5×6 days

Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.

What our data says

  • At 8 hours, it runs longer than 57% of the 1,009 Astronomy & Physics audiobooks in our catalog.

Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.

About this listen

Gravity's Engines: How Bubble-Blowing Black Holes Rule Galaxies, Stars, and Life in the Cosmos is an audiobook by Caleb Scharf: a 8-hour unabridged recording, read by Caleb Scharf, released August 7, 2012, on the Astronomy & Physics shelf.

The listen at a glance

Length
8 hrs
Narrated by
Caleb Scharf
Released
August 7, 2012
Format
Unabridged audiobook
Language
English
Store shelves
Astronomy & Physics
ISBN
9781427227256

How to listen to Gravity's Engines: How Bubble-Blowing Black Holes Rule Galaxies, Stars, and Life in the Cosmos free

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Questions listeners ask

How long is the Gravity's Engines: How Bubble-Blowing Black Holes Rule Galaxies, Stars, and Life in the Cosmos audiobook?

Gravity's Engines: How Bubble-Blowing Black Holes Rule Galaxies, Stars, and Life in the Cosmos runs 8 hours unabridged. At 1.5× speed that drops to roughly 5.3 hours.

Is the Gravity's Engines: How Bubble-Blowing Black Holes Rule Galaxies, Stars, and Life in the Cosmos audiobook free?

Yes, for new listeners: the trial starts you with three free audiobooks.

Who narrates Gravity's Engines: How Bubble-Blowing Black Holes Rule Galaxies, Stars, and Life in the Cosmos?

Gravity's Engines: How Bubble-Blowing Black Holes Rule Galaxies, Stars, and Life in the Cosmos is narrated by Caleb Scharf.