The Books Insiderindependent audiobook data
Once Upon a Time I Lived on Mars: Space, Exploration and Life on Earth by Kate Greene

Once Upon a Time I Lived on Mars: Space, Exploration and Life on Earth: Audiobook

According to The Books Insider's catalog data, the Once Upon a Time I Lived on Mars: Space, Exploration and Life on Earth audiobook runs 6.1 hours unabridged, narrated by Kate Greene (about 4.1 hours at 1.5× playback speed).

6.1listening hrs
Animals & Nature (Non-Fiction)store shelf
2021released
Free for new listeners

The instrument When will you finish it?

Based on 6.1 hours of listening.

Days to finish Once Upon a Time I Lived on Mars: Space, Exploration and Life on Earth at common listening paces
Your paceYou'll finish in
30 min / day13 days
1 hour / day7 days
2 hours / day4 days
1 hour / day at 1.5×5 days

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

What our data says

  • At 6.1 hours, it is shorter than 60% of the 4,073 Animals & Nature (Non-Fiction) 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

Once Upon a Time I Lived on Mars: Space, Exploration and Life on Earth is an audiobook by Kate Greene: a 6.1-hour unabridged recording, read by Kate Greene, released April 29, 2021, on the Animals & Nature (Non-Fiction) shelf.

The listen at a glance

Length
6.1 hrs
Narrated by
Kate Greene
Released
April 29, 2021
Format
Unabridged audiobook
Language
English
Store shelves
Animals & Nature (Non-Fiction)
ISBN
9781004040681

How to listen to Once Upon a Time I Lived on Mars: Space, Exploration and Life on Earth free

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Questions listeners ask

How long is the Once Upon a Time I Lived on Mars: Space, Exploration and Life on Earth audiobook?

Once Upon a Time I Lived on Mars: Space, Exploration and Life on Earth runs 6.1 hours unabridged. At 1.5× speed that drops to roughly 4.1 hours.

Is the Once Upon a Time I Lived on Mars: Space, Exploration and Life on Earth audiobook free?

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

Who narrates Once Upon a Time I Lived on Mars: Space, Exploration and Life on Earth?

Once Upon a Time I Lived on Mars: Space, Exploration and Life on Earth is narrated by Kate Greene.