What if the moon never had existed?




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Cast overview, first billed only:
Narrator (voice)
William Hartmann ...
Himself (as Professor William Hartmann)
Jay Melosh ...
Himself (as Professor H. Jay Melosh)
Robin Canup ...
Herself (as Professor Robin Canup)
Marjorie A. Chan ...
Herself (as Professor Marjorie A. Chan)
Jacques Laskar ...
Himself (as Professor Jacques Laskar)
Lynn Rothschild ...
Herself (as Professor Lynn Rothschild)
Minik Rosing ...
Himself (as Professor Minik Rosing)
Norman Sleep ...
Himself (as Professor Norman Sleep)
Jack Lissauer ...
Himself (as Professor Jack Lissauer)
Alan Binder ...
Himself (as Professor Alan Binder)
David Gump ...
Madhu Thangavelu ...
Himself (as Professor Madhu Thangavelu)
Nader Khalili ...
Himself (as Professor Nader Kalili)
Anthony Zuppero ...
Himself (as Professor Anthony Zuppero)


The documentary starts with an imaginary disaster: Venus hitting the Earth and destroying both. A fantasy? Perhaps, but many astronomers, scientists and other experts believe that if the Moon didn't exist that would have happened already. With the help of some of these scientists, the documentary explores the benefits to our planet of its sole satellite by speculating on what Earth would have been like if it had not been there. Written by Anonymous

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Release Date:

1999 (USA)  »

Also Known As:

Si no tuviéramos la luna  »

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User Reviews

Can we now start believing in the good opportunities that await us,
27 March 2006 | by (South Africa) – See all my reviews

A very educational, interesting and perfect presentation. I enjoyed all aspects of this program and it has inspired me to learn more about astronomy. Thank-you so much for this wonderful "learning program" of astronomy.

It has inspired my daughter, Rachel, to do further research on this matter. She has always maintained that there is a way to explore our galaxies.

It was disappointing not to view more information on this aspect on your web-site. However, we remain the faithful explorer.


10 of 11 people found this review helpful.  Was this review helpful to you?

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