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NASA will launch a manned spacecraft to an asteroid

 NASA has proposed sending a manned mission to an asteroid approaching Earth. The proposed mission is supposed to fill the gap to maintain public attention between the manned lunar missions and the first manned flight to Mars. This is another phase of the Constellation program * A near-Earth asteroid was discovered to be a duplicate. This asteroid will pass by the Earth in 2029 and 2036 but will not harm * On the other hand, NASA is preparing for Apophis which will approach the Earth in about the same years up to a distance of 30 thousand km

NASA therefore joins Hollywood in an effort to prevent a space catastrophe. An asteroid threat to Earth is a nightmare and until now, the domain of Hollywood horror movies. In order to anticipate a cure for Mecca, NASA plans to go where Bruce Willis went before. NASA wants to land a manned crew on an asteroid moving at a speed of 50 thousand km/h.
NASA wants to know if humans could try techniques to repel doomsday rocks immediately after it is detected. The proposals are still in the early stages and the spacecraft needed only to launch the astronauts deep into space is only on the drawing board but they are being seriously considered.
A small asteroid known as Apophis was indeed identified as a threat to us in 2036. Chris McKay of the Johnson Space Center in Houston said that "there is a great resonance in the public that NASA must do something about the deadly asteroids, and that it can develop serious equipment to an asteroid. "The public wants us to train for treatment of asteroids, so that the ability to launch astronauts to land on it will have scientific value as well as illustrate the capability of the human race."
NASA states that planning a manned flight to an asteroid will also result in the launch of robotic spacecraft as a prelude to this operation, thereby speeding up asteroid research, as was the case with the flights to the moon in the sixties, and just as today the planet Mars receives frequent visits in preparation for a manned flight to it, which many estimate will not arrive before The thirties, if not the forties of the 21st century.

A billion-ton asteroid one kilometer in diameter hitting the Earth at an angle of 45 degrees may create an explosion equivalent to a 50 megaton thermonuclear explosion. Attempting to dismantle it using nuclear warheads could create thousands of small objects in the same orbit, which could take a long time to change. The scientists agree that the best approach given sufficient advance warning would be to gently divert the bone to a safer course. "A manned mission to near-Earth asteroids could be of great scientific value," said McKay. "It will be possible to try several approaches. We don't know enough about asteroids to know what the right strategy is for deflecting it."

An asteroid that is actually two

At the Arecibo Observatory, they confirmed that the KWR asteroid does not pose a threat to Earth, at least for thousands of years. So say researchers at Cornell University. The massive radar at the Great Observatory in Arecibo - recently made detailed observations of a double near-Earth asteroid. These data provide additional data about the creation of the asteroids, their properties and the dynamics of their movement. The observations, led by Steve Ostrow, principal investigator at NASA's Jet Propulsion Laboratory and Caltech in Pasadena and Cornell graduate, and Jean-Luc Margot, professor of astronomy at Cornell, and their colleagues described asteroid 66391 1999 kw4, or KW4 for short, In the November 24 issue of the journal Science.

The Arecibo Observatory is managed by the National Center for Astronomy and the Lonosphere at Cornell University for the National Science Foundation.
KW4, astronomers say, is actually a pair of light, shapeless, porous rock masses that orbit each other as they orbit the Sun at a point even closer to the Sun than Mercury, then exit and pass close to Earth. These bodies were discovered in 1999, but it was not known that it was a double body until they were observed again in May 2001, when the body came within 5 million km of Earth - the smallest distance of this asteroid until the year 2036.
KW4 is a valuable source of data for planetary scientists studying the formation and evolution of near-Earth asteroids – as well as for researchers seeking to know how to deflect the potential threat to Earth. KW4 is classified as having the potential to endanger the Earth, but the data shows that its orbit will not collide with the Earth's orbit for at least the next thousand years.
Unlike a single asteroid, whose physical properties are difficult to detect from observations made from Earth, double asteroids can reveal information about their mass and density through their mutual interaction.
The researchers used the radio telescope in Arecibo in the Goldstein Deep Space Communication System in the Mojave Desert in California - the only telescope with radar capabilities for such observations - the researchers were able to reconstruct the orbit, valve, shape and density of the two components of KW4 - which were nicknamed Alpha and Beta. They found that the pair of dancing asteroids have an amorphous shape where the larger one - Alpha, which is about 1.5 kilometers in diameter, spins as fast as it can without breaking apart, while the smaller and more compact one - Beta - oscillates from side to side slowly as it circles its partner.
In the study, the researchers were able to accurately track the irregular shape of the movement of the double system - essential information for studying how it was created. Overall, the Arecibo/Goldstein data about KW4 has brought the knowledge of near-Earth asteroids to a new level of precision, the researchers say. The study also highlighted the value of the two telescopes involved - NASA's Goldstein Observatory, which is also much more portable, and Arecibo, whose radar is orders of magnitude more powerful.

Per Cornell University press release


 Guest in 2029 and 2036

Astrophysics researcher David Polishook said (19.11.06/2029/30) in an interview with the IDF that the feared asteroid will pass very close to the Earth in 30 at a distance of 40 km, i.e. at the height of satellites moving in space such as the Israeli satellite "Amos". "This is one tenth of the distance to the moon, it's a real touching distance. It will be so close and big that we will be able to see it with the naked eye," explained Polishuk. "Its cruising speed is estimated at 200-300 thousand kilometers per hour, which is quite fast. Its body is 2036-XNUMX meters in size. If it strikes, God forbid, it will not cause the extinction of humanity but local damage. The same asteroid will visit us again in XNUMX, but its trajectory for that encounter cannot yet be predicted, and scientists will be wiser after learning more about its mass and chemical composition.

2 תגובות

  1. Adequate control of the asteroids should be prioritized before Mars; control of asteroids, smaller, which can be routed; will allow the accumulation of a desired amount, which can be turned into intermediate points, for the tasks required in the space; Another advantage: savings in raising masses of materials from the Earth, by diverting spacecraft that no longer function, instead of burning them on their way back to Earth.

    N. B . Sound imaginary? If so, we will be satisfied at this stage with the imagination.

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