Taking a suggestion from another thread, here's one addressing the issue of potential impact by large objects, asteroids/comets with effects upon Earth and methods to mitigate/prevent. For background material, some links:
This one has a lot of imbedded links dealing with varied aspects;
http://abob.libs.uga.edu/bobk/
One from a classic researcher and author on the topic;Comets and the Bronze Age Collapse by Bob Kobres
http://abob.libs.uga.edu/bobk/bronze.html
(Interesting illustrations hinting at origin of swastika symbol.)
Two movies of recent times addressed this issue. "Armageddon" was a Bruce Willis 'space cowboys' adventure and entertaining sort of flick. "Deep Impact" was a more realistic and pragmatic treatment. Both came out about the same time (hmmm
)
This link is a bit lengthy and delves into what some might consider tangental topics, I'm presenting it for it's portion concerning the Taurid Meteor Stream (Comet Encke). This is a debris stream of an object that may have broken up, Comet Shumacker-Levi 9 like, near Mars, about 20-40,000 years ago, remaining debris orbiting the Sun in a @3.3 year path which Earth crosses thru twice each year.
One crossing occurs about late June-early July, the stream coming from the Sun's direction, hence a "daytime" display, and the Tunguska blast of 1908 is believed to be caused by an object in this stream. The other crossing occurs in the first couple of weeks of November and is from the direction of the outer Solar System, hence a night-time display. Note that prior to calender change of about 15 days that occurred in last few centuries, the end of the transit would have coincided with the end of October, and may hint at origins of Halloween.
http://www.enterprisemission.com/oh_my_god.htm
This one has a lot of imbedded links dealing with varied aspects;
http://abob.libs.uga.edu/bobk/
One from a classic researcher and author on the topic;Comets and the Bronze Age Collapse by Bob Kobres
http://abob.libs.uga.edu/bobk/bronze.html
(Interesting illustrations hinting at origin of swastika symbol.)
Two movies of recent times addressed this issue. "Armageddon" was a Bruce Willis 'space cowboys' adventure and entertaining sort of flick. "Deep Impact" was a more realistic and pragmatic treatment. Both came out about the same time (hmmm

This link is a bit lengthy and delves into what some might consider tangental topics, I'm presenting it for it's portion concerning the Taurid Meteor Stream (Comet Encke). This is a debris stream of an object that may have broken up, Comet Shumacker-Levi 9 like, near Mars, about 20-40,000 years ago, remaining debris orbiting the Sun in a @3.3 year path which Earth crosses thru twice each year.
One crossing occurs about late June-early July, the stream coming from the Sun's direction, hence a "daytime" display, and the Tunguska blast of 1908 is believed to be caused by an object in this stream. The other crossing occurs in the first couple of weeks of November and is from the direction of the outer Solar System, hence a night-time display. Note that prior to calender change of about 15 days that occurred in last few centuries, the end of the transit would have coincided with the end of October, and may hint at origins of Halloween.
http://www.enterprisemission.com/oh_my_god.htm
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