
Comet/Asteroid Protection System (CAPS): Preliminary Space-Based System Concept and Study Results
Format: Paperback
ISBN13: 9781503338852
Paperback|9781503338852
✨ Featured Offer
Brand New
$19.70
List Price: $17.99
🚚
See all 3 offers from $19.70 FREE standard delivery by: 01 Apr 2026
Overview
An enormous number of asteroids and comets orbit the Sun, ranging in size from pebbles to mountains. Earth approaching asteroids and comets are collectively termed near-Earth objects (NEOs). Fortunately, only a tiny number of these objects cross the Earth's orbit, and our atmosphere protects us from small and structurally weak objects; however, smaller NEOs vastly outnumber the larger, thus resulting in a higher impact frequency. The goal of current search efforts is to catalog and characterize by 2008 the orbits of 90 percent of near-Earth asteroids (NEAs) larger than 1 km in diameter, currently estimated to number between 900 and 1300. Devastating impacts can also occur from smaller NEAs, short-period comets (SPCs) in asteroid-like orbits, and long-period comets (LPCs) that do not regularly enter near-Earth space because their orbital periods range from 200 years to millions of years. Impacts are extremely infrequent events relative to a human lifetime, but have the potential for massive loss of life and property. Impacts have occurred in the past and will occur in the future. Despite enormous destructive potential, there are many positive aspects of asteroids and comets. They represent a significant resource for commercial exploitation, space exploration, and scientific research. They may even provide clues regarding the origin of life on Earth. It is worthwhile to identify and understand these planetary neighbors both for what they can provide us and for what they are capable of taking away.
| ISBN-13 | 9781503338852 |
|---|---|
| ISBN-10 | 1503338851 |
| Weight | 1.28 Pounds |
| Dimensions | 8.50 x 0.52 x 11.02 In |
| List Price | $17.99 |
| Format | Paperback |
|---|---|
| Language | English |
| Pages | 246 pages |
| Publisher | CreateSpace Independent Publishing Platform |
| Published On | 2014-11-22 |
View All Offers
Sort by:
Price
Condition
Seller
Seller Comments
Price
✨ Brand New
Seller details
Alibris
Sparks, NV, USA
Print on demand Trade paperback (US). Glued binding. 246 p.
Free delivery by: 01 Apr 2026
Brand New
Seller details
GreatBookPrices-
Columbia, MD, USA
100% Money Back Guarantee. Brand New, Perfect Condition. We offer expedited shipping to all US locat...
Free delivery by: 01 Apr 2026
Used, Good
Seller details
Bonita
Santa Clarita, CA, USA
Access codes and supplements are not guaranteed with used items. May be an ex-library book.
Free delivery by: 01 Apr 2026