FREE NEJM E-TOC    HOME   |   SUBSCRIBE   |   CURRENT ISSUE   |   PAST ISSUES   |   COLLECTIONS   |   Search Term  Advanced Search

Sign in | Get NEJM's E-Mail Table of Contents — Free | Subscribe

Previous Volume 329:1822 December 9, 1993 Number 24 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

	Full Text Purchase this article Add to Personal Archive Add to Citation Manager Notify a Friend E-mail When Cited Related Article PubMed Citation

To the Editor: Buckey et al. (June 24 issue)¹ promulgate a common misconception about the effects of gravity on astronauts in orbit. The term "zero gravity" is used to describe the environment inside the space shuttle. Gravity, however, is not zero either inside or outside the shuttle.

While in orbit, the astronauts and the spacecraft are moving under the direct influence of gravity, which is far from zero. Without the force of gravity, the shuttle would hurtle into space. True zero gravity or weightlessness can exist only in a region of space far from any planet or star. The term . . . [Full Text of this Article]

References

Related Letters:

Central Venous Pressure in Space
Buckey J. C., Gaffney F. A., Lane L. D., Levine B. D., Watenpaugh D. E., Blomqvist C. G.
Extract | Full Text  
N Engl J Med 1993; 328:1853-1854, Jun 24, 1993. Correspondence

This article has been cited by other articles:

• Lipworth, B. J. (1999). Systemic Adverse Effects of Inhaled Corticosteroid Therapy: A Systematic Review and Meta-analysis. Arch Intern Med 159: 941-955 [Abstract] [Full Text]