المسارات في Deadlock، هناك أربعة ممرات مختلفة للاختيار من بينها في اللعبة. على الرغم من أنها تؤدي وظيفة مشابهة إلى حد ما في اللعبة، إلا أنه من المهم معرفة المسار...
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كلية الملك فهد الأمنية نتائج القبول، علنت وزارة الداخلية السعودية عن إمكانية الاستعلام عن نتائج القبول في الكلية الأمنية الدورة 68 لخريجي الثانوية العامة للالتحاق بدورة بكالوريوس العلوم الأمنية، حيث...
ظهرت المقالة كلية الملك فهد الأمنية نتائج القبول الدورة 68 لحملة الثانوية العامة.. رابط الاستعلام عبر jobs.sa أولاً على سعودي 24.
إعدادات Silent Hill 2 على الحاسب الشخصي، لقد خضعت صور Silent Hill 2 لعملية إعادة تصميم كاملة، وتبدو مختلفة تمامًا عند مقارنتها باللعبة الأصلية. وهذا أمر متوقع بالنظر إلى وجود...
ظهرت المقالة أفضل إعدادات Silent Hill 2 على الحاسب الشخصي أولاً على سعودي 24.
تعلم فن الإلقاء، فن الخطابة هو فن يتفوق فيه القادة والشعراء وغيرهم. وهي أيضًا موهبة لا يمتلكها الكثير من الناس، ولكن كل موهبة تحتاج إلى تعلم كيفية صقلها. وبالتالي من...
ظهرت المقالة تعلم فن الإلقاء وكن مؤثرًا أولاً على سعودي 24.
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A BRIGHT comet will be visible to the naked eye tonight, before fading into darkness over the coming days.
It will be one of the last opportunities to view the comet at peak brightness before it passes Earth, not to return for another 80,000 years.
Comet C/2023 A3, also known as Tsuchinshan-ATLAS, was previously visible from Earth between 27 September and 2 October.
However, it disappeared from view when it became too close to the sun to be seen from either the northern or southern hemisphere.
Between October 12 and 13, the comet will reach its closest proximity to Earth – at a safe distance of roughly 44million miles.
It will shine at around a magnitude +2 or magnitude +1 – which is how the brightness of space objects are measured.
This puts the comet at a similar visibility to Polaris, also known as the north star.
After this weekend, the comet will begin to dim before disappearing completely around 20 October.
The space rock comes from the Oort Cloud, a giant shell around our solar system that hosts millions of comets and other icy pieces of debris.
It is characterised by the long, two-pronged tail of dust and ice that follows it, which experts say will be illuminated white and blue by the sun.
It’s this tail that also makes it more visible to stargazers on Earth during its peak brightness.
Astronauts Matthew Dominick and Dom Pettit, who are both avid astro-photographers, spotted the space rock before it was visible to the naked eye by using orbital geometry and math.
The pair, who are currently boarded on the International Space Station, caught the once in a lifetime comet on camera – as shown in the video above.
While the comet should be visible to the naked eye, it never hurts to be prepared for a dimmer display.
Having a good pair of stargazing binoculars or a small telescope to hand will enhance the view.
Comet A3 will be in the constellation Ophiuchus above the west-facing horizon.
You can download an astronomy app to help you find Ophiuchus in the sky.
It’s important to note that cloud cover may scupper your view of the ‘once in a lifetime’ comet.
The moon’s light may also interfere with the brightness of the space rock.
Here's what you need to know, according to Nasa...
NASA plans to blast “planet killer” asteroids with a 1,000-strong army of spacecraft – or even a nuke.
The space agency boffins have been quietly simulating a response to an out-of-space strike while testing ways to knock a deadly asteroid off course and save the world.
In 2023, Nasa released the National Preparedness Strategy and Action Plan for Near-Earth Objects and Hazards and Planetary Defence.
The report details how it plans to deal with a Near-Earth Object (NEO) that could spark “global devastation” and suggests blasting them with spaceships or even nukes.
While the doomsday scenario is unlikely with no space rocks posing a risk for the next 100 years, scientists believe thousands of asteroids remain hidden in the solar system.
They predict that dozens of “planet killer” asteroids – over a mile wide and capable of sparking a global extinction event – could be lurking in space.
As part of its disaster plan, Nasa has been experimenting with kinetic impactors – high-speed spacecraft that would ram the giant rock and push it off course.
In September 2022, it tested the method in a $325million mission dubbed the Double Asteroid Redirection Test – or DART.
The speeding rocket “Hera” was successfully launched at a 580ft-wide cluster of rock known as Dimorphos as it orbited the bigger asteroid Didymos.
They posed no threat to the Earth, but the first-ever impact made to alter the course of an asteroid slowed down the pair of space rocks by 30 minutes.
However, the impact risks fragments breaking off and moving in an unpredictable way and may lead to more problems, experts have warned.
To shift a bigger target, roughly 2,000ft-wide or three times the size of Dimorphos, you would need to simultaneously launch nearly 100 rockets.
To deflect a huge “planet killer”, over 1,000 spacecraft would have to be launched from Earth.
The second option is a scene straight from the blockbuster film Armageddon – and involves going nuclear.
In the film starring Billy Bob Thornton, the character is sent to space to blow up an Asteroid on course to smash into Earth with a nuclear bomb.
While he buries the bomb into the rock, Nasa would look to detonate the nuke a few hundred feet away, aerospace engineer Brent Barbee told Live Science.
The process would involve attaching the weapon to a launch vehicle and then being delivered to the asteroid by a small spacecraft.
It would then either explode nearby or the spacecraft could orbit the planet-killer rock cluster for months or even years – until a perfect approach point was identified to fire it off course and into oblivion.
A study suggested that to take out a 650ft asteroid you would need a nuclear bomb 200 times more powerful than the ‘Little Boy’ bomb dropped on Hiroshima.
Barbee said: “A single appropriately sized nuclear explosive device was, in our analysis, found to be capable of deflecting even the 1.5-kilometre size asteroid.
“Space, of course, is a vacuum. So you don’t get a big pressure wave or any of the thermal effects of a terrestrial detonation.
“You get a whole lot of radiation all at once.”
The radiation would vaporise the asteroid’s outer layer and any material that shoots off would give the space rock an extra shove and destroy any smaller unpredictable pieces that break off.
In its report, Nasa states: “It is still possible that discovery of either even a relatively small object less than a few months to years before impact or a relatively large or fast-trajectory object would create a situation when only use of a nuclear explosive device (NED) would provide sufficient force to either deflect or disrupt the impactor in time to mitigate devastating effects on Earth.”
A nuclear blast would also be effective at knocking smaller “city-killer” sized asteroids – 165ft wide – off course.
What is most important with both methods is timing as spotting a deadly asteroid that is years away from impact gives scientists more time to intervene.
Explained by Jamie Harris, Assistant Technology and Science Editor at The Sun
Nasa uses something called the Torino Impact Hazard Scale to rate asteroids and other objects.
It goes from zero to 10.
Zero – also known as white zone – is defined as: “The likelihood of a collision is zero, or is so low as to be effectively zero. Also applies to small objects such as meteors and bodies that burn up in the atmosphere as well as infrequent meteorite falls that rarely cause damage.”
Despite being the most dangerous around, the ones listed above are all considered zero.
At the top end of the scale is 10, which states: “A collision is certain, capable of causing global climatic catastrophe that may threaten the future of civilization as we know it, whether impacting land or ocean. Such events occur on average once per 100,000 years, or less often.”
It can take years to develop space missions so chartering and monitoring the skies is crucial, according to Nasa engineer Brent.
“Planet killers” are mostly found in the asteroid belt between Jupiter and Mars while some follow orbits that cross the Earth’s path with the Sun.
They can travel at huge speeds of over 45,000 miles per hour and release catastrophic amounts of kinetic energy.
Immediate effects would see intense heat and debris launched into the atmosphere while global earthquakes, tsunamis and volcanic eruptions would be triggered.
The space rock crash would spark an “impact winter” with sulphur gas, dust and ash blocking out the sun, meaning temperatures would plummet and crops would fail.
The world would be thrown into chaos, with economic collapse, social unrest and conflict.
More than 66 million years ago, the Chicxulub asteroid – the size of a whole city – smashed into Earth and is believed to have wiped out the dinosaur population.
While no known “planet killer” currently poses a threat, astronomers continue to monitor the skies for near-Earth objects and potential collisions.
In April, experts took part in a tabletop exercise at Johns Hopkins Applied Physics Laboratory where a hypothetical asteroid strike played out.
In the simulation, astronomers detect an asteroid with a 72 per cent chance of hitting earth in the next 14 years wiping out Dallas, Washington D.C, Madrid and Algeria and killing 10 million people.
In 2004, an asteroid dubbed Apophis, after the Egyptian god of Chaos, was predicted to fly into Earth’s “danger zone” when it flies past in 2029 and 2036.
Over 1,000ft wide, the space rock is the sized of a cruise liner and could wipe out a whole city if it crashed into planet Earth.
Although it’s now predicted that the asteroid will miss Earth by nearly 20,000 miles, the European Space Agency (ESA) will still be keeping a close eye on Apophis.
The ESA plans to send RAMSES, shot for Rapid Apophis Mission for Space Safety, as part of a mission to study the asteroid closely.
What's the difference between an asteroid, meteor and comet?
A factory worker and his friends engaged in a drinking session that turned violent, resulting in one man severely injured. The altercation escalated from a verbal spat to a knife fight yesterday evening, October 11, in Bang Phli, Samut Prakan. Police responded to a reported altercation around 9pm. The incident occurred within Soi Ruamjai on …
The story Samut Prakan factory worker injured in knife fight after drinks as seen on Thaiger News.
A road rage incident involving an Ora Goodcat electric vehicle and a box truck on a Thai road has grabbed significant attention online. TikTok user @first_thepeak shared a dramatic clip of the encounter, showing the box truck attempting to block and force the electric car off the road. The situation escalated until the truck spun …
The story Road rage: Electric car and box truck crash in Thailand goes viral (video) as seen on Thaiger News.
Thai social activist Gun Jompalang, has pledged to assist a disabled woman who was deceived into borrowing over 300,000 baht to join a membership scheme, with the promise of helping her family. This scheme, however, left her with no sales and substantial debt. A complaint was filed against The iCon Group by victims who lost …
The story Disabled Thai woman scammed by iCon Group scheme as seen on Thaiger News.