What does PHO mean in UNCLASSIFIED
When it comes to space and celestial objects, there is a lot of confusion. One of these terms is PHO, which stands for Potentially Hazardous Object. Essentially, this is a classification used by astronomers to identify near-Earth objects that have the potential to cause harm due to their size and the fact that they may collide with our planet. In this article, we will look at what exactly PHO means in greater detail.
PHO meaning in Unclassified in Miscellaneous
PHO mostly used in an acronym Unclassified in Category Miscellaneous that means Potentially Hazardous Object
Shorthand: PHO,
Full Form: Potentially Hazardous Object
For more information of "Potentially Hazardous Object", see the section below.
Definition of PHO
PHO stands for Potentially Hazardous Object and refers to a celestial object that has been classified as having the potential to cause significant disruption or harm if it collided with Earth or another nearby astronomical body. The objects that are classified as PHOs must meet two criteria: they must be large enough and they must come within a certain distance of Earth's orbit (usually 7.5 million kilometres). By classifying these objects, astronomers can better assess their risk level and track them more closely for potential impacts.
Identification of PHO
In order to identify and classify an object as a PHO, astronomers use measurements such as the density, size, rotation rate and composition of the object from telescope images or from machines such as spectrometers. They also use calculations such as orbital elements (which describe its trajectory) or its Minimum Orbit Intersection Distance (MOID) – the shortest distance between its orbit and Earth's orbit – to determine whether it could pose a hazard if it came too close to our planet.
Potential Risk of PHO
Although all PHOs are considered potentially hazardous, not all pose an imminent threat. Astronomers assess each object based on its likelihood of colliding with Earth or another nearby planet over a certain period of time – usually 10 years or longer – before issuing any warnings about potential danger. While some asteroids have been identified which may pass within close proximity of Earth’s orbit in future years, none are expected to actually impact our planet any time soon.
Essential Questions and Answers on Potentially Hazardous Object in "MISCELLANEOUS»UNFILED"
PHO is an important term for astronomers when assessing the risk associated with near-Earth objects. By classifying these objects according to their size and proximity relative to our planet’s orbit, scientists can more accurately track their movement and better prepare for any potential impact should one occur in the future.
PHO also stands for: |
|
| All stands for PHO |