Science
SpaceX Rocket Junk on Course to Hit the Moon, Astronomers Predict
Part of a SpaceX rocket that was launched seven years ago and was abandoned in space after its mission will crash into the moon in March, experts say.
Deployed in 2015, the rocket put a NASA satellite called the Deep Space Climate Observatory (DSCOVR) into orbit.
Since then, the rocket’s second stage, or booster, has been floating in what mathematicians call a chaotic orbit, astronomer Bill Gray told AFP on Wednesday. Gray calculated the new collision course of the space junk with the moon.
Gray said the booster came very close to the moon during a rendezvous in January, changing its orbit.
He’s behind Project Pluto, software that calculates the trajectories of asteroids and other space objects and is used in NASA-funded space observation programs. A week after the rocket stage approached the moon, Gray looked again and concluded that it would crash into the dark side of the moon at speeds in excess of 5,500 mph (9,000 km/h) on March 4.
Gray called on the community of amateur astronomers to join him in observing the booster, and his conclusions were confirmed.
The exact time and location of the impact may be slightly different from his predictions, but it is widely believed that there will be a collision on the moon that day.
“I’ve been tracking this type of junk for about 15 years,” Gray told AFP. “This is the first unintentional lunar impact we’ve ever encountered.”
‘It’s time to start regulating’
Astronomer Jonathan McDowell told AFP that a similar impact could have happened unnoticed.
“In the ’60s, ’70s and ’80s, there were at least 50 objects left in deep Earth orbit, just abandoned there. We didn’t track them,” he said.
“Now we’re looking for a few of them…but many of them we didn’t find, so they don’t exist anymore,” he added. “Probably at least a few of them hit the moon by accident, and we just didn’t notice.”
The impact of the 4-ton SpaceX rocket block on the moon will not be visible in real time from Earth.
But it will leave a crater that scientists will be able to observe using spacecraft and satellites (like NASA’s Lunar Reconnaissance Orbiter or India’s Chandrayaan-2) to learn more about the moon’s geology information.
Spacecraft have deliberately crashed into the moon before for scientific purposes, such as testing seismometers during the Apollo missions.
In 2009, NASA launched a rocket stage that hurled it toward the moon near the moon’s south pole in search of water.
But most rockets don’t get that far from Earth. SpaceX brings its rocket boosters back into Earth’s atmosphere, so they disintegrate over the ocean. The first stage is recycled and reused.
Gray said there could be more accidental falls to the moon in the future because the U.S. and Chinese space programs, in particular, have left more junk in orbit.
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health and remedies
Patterns of behaviour that emerge after trauma
Trauma is a deeply distressing or disturbing experience that can leave a lasting impact on a person’s mental and emotional health. It can result from a range of events, such as natural disasters, accidents, physical or emotional abuse, or military combat. Trauma can have a significant effect on a person’s behavior and can manifest in various ways. Here are some patterns of behavior that often emerge after trauma:
- Hyperarousal: After experiencing trauma, a person may feel constantly on edge, with heightened levels of anxiety and tension. This can manifest as irritability, restlessness, and difficulty sleeping.
- Avoidance: Trauma can also cause a person to avoid situations, people, or places that remind them of the traumatic experience. This can lead to social withdrawal, isolation, and a loss of interest in previously enjoyable activities.
- Emotional numbness: Trauma can cause a person to feel emotionally disconnected or numb, making it difficult for them to experience positive emotions such as joy or love.
- Hypervigilance: A person who has experienced trauma may be hyper-aware of their surroundings and perceive threats where none exist. This can lead to an increased sense of danger, which can trigger anxiety or panic attacks.
- Flashbacks: Trauma can cause a person to experience vivid and intrusive memories of the traumatic event. These flashbacks can be triggered by a range of stimuli, such as sights, sounds, or smells.
- Guilt and shame: Trauma can cause a person to experience feelings of guilt, shame, and self-blame. They may feel responsible for what happened to them, even when it was beyond their control.
- Substance abuse: Trauma can lead to the use of drugs or alcohol as a way of coping with difficult emotions. This can quickly become a self-destructive pattern of behavior that exacerbates the trauma.
It’s important to note that not everyone who experiences trauma will display all of these behaviors, and that each person’s response to trauma is unique. However, recognizing these patterns of behavior can help individuals and their loved ones identify when trauma may be a contributing factor to mental and emotional health challenges. Seeking professional support, such as therapy or counseling, can help individuals process their trauma and learn healthy coping mechanisms to manage their behavior.
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