Alien Earths: Planet Hunting in the Cosmos: Audiobook
According to The Books Insider's catalog data, the Alien Earths: Planet Hunting in the Cosmos audiobook runs 8.5 hours unabridged, narrated by Lisa Kaltenegger and Cassandra Campbell (about 5.7 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 8.5 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 17 days |
| 1 hour / day | 9 days |
| 2 hours / day | 5 days |
| 1 hour / day at 1.5× | 6 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 8.5 hours, it runs longer than 61% of the 1,009 Astronomy & Physics audiobooks in our catalog.
More narrated by Cassandra Campbell
Cassandra Campbell narrates 1,083 unabridged audiobooks in our catalog, 11,240 hours in all.
About as long, on the Astronomy & Physics shelf
128 Astronomy & Physics audiobooks in our catalog run within 10% of this length. The most popular on the store:
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
Alien Earths: Planet Hunting in the Cosmos is an audiobook by Lisa Kaltenegger: a 8.5-hour unabridged recording, read by Lisa Kaltenegger and Cassandra Campbell, released April 16, 2024, on the Astronomy & Physics shelf.
The listen at a glance
- Length
- 8.5 hrs
- Narrated by
- Lisa Kaltenegger, Cassandra Campbell
- Released
- April 16, 2024
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Astronomy & Physics
- ISBN
- 9781802066210
How to listen to Alien Earths: Planet Hunting in the Cosmos free
New members at audiobooks.com get three free audiobooks with the trial.
Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.
Start listening freeQuestions listeners ask
How long is the Alien Earths: Planet Hunting in the Cosmos audiobook?
Alien Earths: Planet Hunting in the Cosmos runs 8.5 hours unabridged. At 1.5× speed that drops to roughly 5.7 hours.
Is the Alien Earths: Planet Hunting in the Cosmos audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Alien Earths: Planet Hunting in the Cosmos?
Alien Earths: Planet Hunting in the Cosmos is narrated by Lisa Kaltenegger and Cassandra Campbell.