New Mars Forums

Palomar

Member

From: USA

Registered: 2002-05-30

Posts: 9,734

Re: *Where* Does Space Begin?

http://perseus.herts.ac.uk/uhinfo/libra … _3.pdf]The Never-Ending Dispute

*Found this at today's spaceweather.com.  Have been wondering this myself.  Will there ever be a consensus determination?

Ask a dozen scientists and politicians and you're likely to get a dozen different answers. 50 miles above Earth? 67.3 miles? 100 miles? Dr. Gbenga Oduntan of the University of Kent lays out the options in his essay (linked above)

--Cindy

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We all know [i]those[/i] Venusians: Doing their hair in shock waves, smoking electrical coronas, wearing Van Allen belts and resting their tiny elbows on a Geiger counter...

--John Sladek (The New Apocrypha)

SpaceNut

Administrator

From: New Hampshire

Registered: 2004-07-22

Posts: 28,958

Re: *Where* Does Space Begin?

I guess from a human point when the air can no longer sustain one's being. But from a rockets stand point it would be to achieve orbit velocity. Also from a rockets stand point that would also be re-entry heat shield required.

John Creighton

Member

From: Nova Scotia, Canada

Registered: 2001-09-04

Posts: 2,401

Website

Re: *Where* Does Space Begin?

I got to about page 6 of 22.

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