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space guards survey for NASA in 1992. The report recommended an observation programme with a relatively modest start up cost of around $ 15 Million that would catalogue and track asteriods with which we could conceivably collide and we know the orbits of only a small fraction of them.
Depth charge : The shock waves held out the fragements together to penetrate some 24km below the cloud tops. There the comet chunks could pulrenize in the rising pressure of Jupiter's hydrogen atmosphere. This rapid expansion of gases has produced a huge fire-ball.
Soft Catch: The explosion has created a mushroom cloud rising approximately 3000 km above the planet.
Additional resources could have been put to good use for new types of observational equipments and for monitoring a broader range of raido frequencies for indications of changes on Jupiter. It is a matter of great interest for the astronomers, astrophysicists and general people. They are lucky to see this impact. It is something that happens one in 1000 years.
The most difficult problem lurkes in the outer fringes of the solar system, where trillions of comets dwell undetected. As many as 10 new comets randomly enter the inner solar - system each year and are discovered as they are heated by the sun.
How can we defend ourselves against these lethal cosmic-objects ? The required efforts vary from the straightforward a widely expanded comet and asteriod watch - to the formidable, developing a new "star wars" type of technology to deflect collision bound asteroids and comets. In principle booster and detonate atomic explosives are needed to divert or break up a threatening body.
Some Inintiatives : Some inintial steps were taken by astronomers and scientists who are the
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