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What does NASA hope to learn by studying asteroids?
The biggest reason as to why we study asteroids is because they can tell us about the origins of the Solar System, as they are considered to be the building blocks of the planets. After collecting the samples and mapping the asteroid’s surface, the probe will return to Earth in the second half of 2023.
How would NASA deal with an asteroid?
NASA has three main tools in its planetary-defense arsenal. The first is to detonate an explosive device near an oncoming asteroid to break it up into smaller, less dangerous chunks. The second is to fire lasers that could heat up and vaporize the space rock enough to change its orbital path.
Can NASA deflect an asteroid?
Though both objects are gravitationally pulled towards each other, the spacecraft can counter the force towards the asteroid by, for example, an ion thruster, so the net effect would be that the asteroid is accelerated towards the spacecraft and thus slightly deflected from its orbit.
Is NASA working on asteroid mining?
On 22nd Oct 2020, NASA reached a major milestone by successfully collecting the ground samples of an asteroid named Bennu. The mission named OSIRIS-Rex (Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer) is an asteroid study and sample return mission.
Why would Studying Earth approaching asteroids be important?
Earth-approaching asteroids have rapidly changing orbits and could potentially collide with our planet. Such a collision could produce relatively minor to catastrophic damage. It is objects of this size that could cause globally significant damage, should one strike Earth.
Why is it important to study comets?
Comets change very little over time. Thus they contain a record of the conditions of the early solar system. By studying comets, scientists hope to learn how planets formed and even how life may have evolved on Earth. Samples of cometary dust from NASA’s Stardust mission revealed the presence of certain minerals.
Should we mine asteroids?
There are over 1,500 asteroids that are as easy to reach as the Moon. These “space rocks” contain a range of minerals, from water to platinum. Asteroid mining will provide sustainable resources on Earth and will afford the availability to maintain a human presence in space.
How much is an asteroid worth?
The asteroid’s metal is worth an estimated $10,000 quadrillion, more than the entire economy of Earth. Using the Hubble Space Telescope, researchers were able to analyze the asteroid in greater detail than ever before.
Do asteroids ever do anything good in the solar system?
Asteroids can also help us understand the evolution of our solar system. Meteorites, which are pieces of asteroids, have allowed us to determine the age of the solar system from radioactive dating. Some asteroids are fairly pristine, and their rocks record events from the very early solar system.