Showing posts with label Fireball. Show all posts
Showing posts with label Fireball. Show all posts

Tuesday, 1 February 2022

Fireball meteor over the Scottish Borders region.

Witnesses across much of England and Scotland, as well as the Netherlands, and parts of Wales, Belgium, and Ireland, have reported observing a bright fireball slightly before 6.50 pm local time (GMT) on Sunday 29 January 2022. The fireball is described as having moved from northeast to southwest, first appearing over the North Sea and vanishing over northern Northumbria, England. A fireball is defined as a meteor (shooting star) brighter than the planet Venus. These are typically caused by pieces of rock burning up in the atmosphere, but can be the result of man-made space-junk burning up on re-entry.

 
The 29 January 2022 meteorite seen from Koksijde in Belgium. American Meteor Society.
 
Objects of this size probably enter the Earth's atmosphere several times a year, though unless they do so over populated areas they are unlikely to be noticed. They are officially described as fireballs if they produce a light brighter than the planet Venus. The brightness of a meteor is caused by friction with the Earth's atmosphere, which is typically far greater than that caused by simple falling, due to the initial trajectory of the object. Such objects typically eventually explode in an airburst called by the friction, causing them to vanish as an luminous object. However, this is not the end of the story as such explosions result in the production of a number of smaller objects, which fall to the ground under the influence of gravity (which does not cause the luminescence associated with friction-induced heating).
 
Heat map showing areas where sightings of the meteor were reported (warmer colours indicate more sightings), and the apparent path of the object (blue arrow). American Meteor Society.
 
These 'dark objects' do not continue along the path of the original bolide, but neither do they fall directly to the ground, but rather follow a course determined by the atmospheric currents (winds) through which the objects pass. Scientists are able to calculate potential trajectories for hypothetical dark objects derived from meteors using data from weather monitoring services.
 
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Saturday, 25 December 2021

Fireball meteor over Maryland and Delaware.

The American Meteor Society has received reports of a bright fireball meteor being seen over Maryland and Delaware at about 7.10 am Eastern Standard Time (about 12.10 pm GMT) on Thursday 23 December 2021. People witnesses observing the event from Connecticut, Delaware, Maryland, North Carolina, New Jersey, New York, Ohio, Pennsylvania, South Carolina, Tennessee Virginia and West Virginia. A fireball is defined as a meteor (shooting star) brighter than the planet Venus. These are typically caused by pieces of rock burning up in the atmosphere, but can be the result of man-made space-junk burning up on re-entry.

 
Heat map showing areas where sightings of the meteor were reported (warmer colours indicate more sightings), and the apparent path of the object (blue arrow). American Meteor Society. 

Objects of this size probably enter the Earth's atmosphere several times a year, though unless they do so over populated areas they are unlikely to be noticed. They are officially described as fireballs if they produce a light brighter than the planet Venus. The brightness of a meteor is caused by friction with the Earth's atmosphere, which is typically far greater than that caused by simple falling, due to the initial trajectory of the object. Such objects typically eventually explode in an airburst called by the friction, causing them to vanish as an luminous object. However, this is not the end of the story as such explosions result in the production of a number of smaller objects, which fall to the ground under the influence of gravity (which does not cause the luminescence associated with friction-induced heating).
 
These 'dark objects' do not continue along the path of the original bolide, but neither do they fall directly to the ground, but rather follow a course determined by the atmospheric currents (winds) through which the objects pass. Scientists are able to calculate potential trajectories for hypothetical dark objects derived from meteors using data from weather monitoring services.
 
Witness reports can help astronomers to understand these events. If you witness a fireball-type meteor over the US you can report it to the American Meteor Society here.  
 
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Monday, 29 November 2021

Fireball meteor over southern California.

The American Meteor Society has received reports of a bright fireball meteor being seen over southern California slightly after 8.10 pm on Wednesday 24 November 2021 Pacific Time (slightly after 4.10 am on Thursday 25 November GMT). Most of the reports came from the California, but sightings were also reported from Arizona. A fireball is defined as a meteor (shooting star) brighter than the planet Venus. These are typically caused by pieces of rock burning up in the atmosphere, but can be the result of man-made space-junk burning up on re-entry.

 
The 24 November 2021 southern California fireball seen from the city of Corona in Riverside County, California. Tom Harkins/American Meteor Society.
 
Objects of this size probably enter the Earth's atmosphere several times a year, though unless they do so over populated areas they are unlikely to be noticed. They are officially described as fireballs if they produce a light brighter than the planet Venus. The brightness of a meteor is caused by friction with the Earth's atmosphere, which is typically far greater than that caused by simple falling, due to the initial trajectory of the object. Such objects typically eventually explode in an airburst called by the friction, causing them to vanish as an luminous object. However, this is not the end of the story as such explosions result in the production of a number of smaller objects, which fall to the ground under the influence of gravity (which does not cause the luminescence associated with friction-induced heating).
 
Heat map showing areas where sightings of the meteor were reported (warmer colours indicate more sightings), and the apparent path of the object (blue arrow). American Meteor Society.
 
These 'dark objects' do not continue along the path of the original bolide, but neither do they fall directly to the ground, but rather follow a course determined by the atmospheric currents (winds) through which the objects pass. Scientists are able to calculate potential trajectories for hypothetical dark objects derived from meteors using data from weather monitoring services.
 
Witness reports can help astronomers to understand these events. If you witness a fireball-type meteor over the US you can report it to the American Meteor Society here.
 
See also...
 














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Saturday, 15 May 2021

Fireball meteor over upstate New York.

The American Meteor Society has received reports of a bright fireball meteor being seen upstate New York, at about 3.05 am Eastern Standard Time about 8.05 am GMT) on Thursday 13 May 2021. Sightings were reported from Connecticut, Delaware, Massachusetts, Maryland, New Jersey, New York, Ohio, Ontario, Pennsylvania, Rhode Island, Virginia, Vermont, and West Virginia, with the object travelling from southwest to northeast, entering the atmosphere somewhere to the southeast of the town of Sweden and vanishing near Cayuga Lake. A fireball is defined as a meteor (shooting star) brighter than the planet Venus. These are typically caused by pieces of rock burning up in the atmosphere, but can be the result of man-made space-junk burning up on re-entry.

 
The 13 May 2021 New York fireball meteor seen from the Thomas G. Cupillari Observatory in Fleetville, Pennsylvania. John Sabia/Thomas G. Cupillari Observatory/Keystone College/American Meteor Society.

Objects of this size probably enter the Earth's atmosphere several times a year, though unless they do so over populated areas they are unlikely to be noticed. They are officially described as fireballs if they produce a light brighter than the planet Venus. The brightness of a meteor is caused by friction with the Earth's atmosphere, which is typically far greater than that caused by simple falling, due to the initial trajectory of the object. Such objects typically eventually explode in an airburst called by the friction, causing them to vanish as an luminous object. However, this is not the end of the story as such explosions result in the production of a number of smaller objects, which fall to the ground under the influence of gravity (which does not cause the luminescence associated with friction-induced heating).
 
 
Heat map showing areas where sightings of the meteor were reported (warmer colours indicate more sightings), and the apparent path of the object (blue arrow). American Meteor Society.

These 'dark objects' do not continue along the path of the original bolide, but neither do they fall directly to the ground, but rather follow a course determined by the atmospheric currents (winds) through which the objects pass. Scientists are able to calculate potential trajectories for hypothetical dark objects derived from meteors using data from weather monitoring services.
 
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Saturday, 1 May 2021

Fireball meteor off the south coast of France.

Witnesses across much of France, as well as Andora, Monaco, and parts of Switzerland, Italy and Spain, have reported observing a bright fireball at about 10.30 pm local time (about 8.30 pm GMT) on Sunday 24 April 2021. The fireball is described as having moved from east to west along the south coast of Frnace, appearing off the coast of Marsielle and vanishing to the south of Montpellier. A fireball is defined as a meteor (shooting star) brighter than the planet Venus. These are typically caused by pieces of rock burning up in the atmosphere, but can be the result of man-made space-junk burning up on re-entry. 

 
The 24 April 2021 meteorite seen from the commune of Thônes in the Haute-Savoie department of France. American Meteor Society.
 
Objects of this size probably enter the Earth's atmosphere several times a year, though unless they do so over populated areas they are unlikely to be noticed. They are officially described as fireballs if they produce a light brighter than the planet Venus. The brightness of a meteor is caused by friction with the Earth's atmosphere, which is typically far greater than that caused by simple falling, due to the initial trajectory of the object. Such objects typically eventually explode in an airburst called by the friction, causing them to vanish as an luminous object. However, this is not the end of the story as such explosions result in the production of a number of smaller objects, which fall to the ground under the influence of gravity (which does not cause the luminescence associated with friction-induced heating).
 
 
Heat map showing areas where sightings of the meteor were reported (warmer colours indicate more sightings), and the apparent path of the object (blue arrow). American Meteor Society.
 
These 'dark objects' do not continue along the path of the original bolide, but neither do they fall directly to the ground, but rather follow a course determined by the atmospheric currents (winds) through which the objects pass. Scientists are able to calculate potential trajectories for hypothetical dark objects derived from meteors using data from weather monitoring services.

The 24 April 2021 meteor captured by a webcam in Cannes.
Daniel Ruy/Meteo Côte d’Azur/Twitter.
 
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Thursday, 8 April 2021

Fireball off the east coast of Scotland.

Witnesses across the Scotland, England, Northern Ireland, and parts of Denmark and Norway, have reported observing a bright fireball slightly after 8.35 pm local time (slightly after 7.35 pm GMT) on Saturday 3 April 2021. The fireball is described as having moved from north to south, appearing off the coast of Aberdeenshire and vanishing to the east of Angus. A fireball is defined as a meteor (shooting star) brighter than the planet Venus. These are typically caused by pieces of rock burning up in the atmosphere, but can be the result of man-made space-junk burning up on re-entry. 

 
The 3 April 2021 meteorite seen from the village of Fishburn in County Durham, England. David Alderson/American Meteor Society.
 
Objects of this size probably enter the Earth's atmosphere several times a year, though unless they do so over populated areas they are unlikely to be noticed. They are officially described as fireballs if they produce a light brighter than the planet Venus. The brightness of a meteor is caused by friction with the Earth's atmosphere, which is typically far greater than that caused by simple falling, due to the initial trajectory of the object. Such objects typically eventually explode in an airburst called by the friction, causing them to vanish as an luminous object. However, this is not the end of the story as such explosions result in the production of a number of smaller objects, which fall to the ground under the influence of gravity (which does not cause the luminescence associated with friction-induced heating).
 
 
Heat map showing areas where sightings of the meteor were reported (warmer colours indicate more sightings), and the apparent path of the object (blue arrow). American Meteor Society.

These 'dark objects' do not continue along the path of the original bolide, but neither do they fall directly to the ground, but rather follow a course determined by the atmospheric currents (winds) through which the objects pass. Scientists are able to calculate potential trajectories for hypothetical dark objects derived from meteors using data from weather monitoring services.

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Monday, 29 March 2021

Fireball over Denmark.

Witnesses across the Netherlands, Germany, Denmark, and southern Sweden have reported observing a bright fireball slightly before 8.55 pm local time (slightly before 7.55 pm GMT) on Saturday 27 March 2021. The fireball is described as having moved from north to south, appearing over Viborg and vanishing to the south of Vorbasse. A fireball is defined as a meteor (shooting star) brighter than the planet Venus. These are typically caused by pieces of rock burning up in the atmosphere, but can be the result of man-made space-junk burning up on re-entry. 

 
Heat map  showing areas where sightings of the meteor were reported (warmer colours indicate more sightings), and the apparent path of the object (blue arrow). American Meteor Society.
Objects of this size probably enter the Earth's atmosphere several times a year, though unless they do so over populated areas they are unlikely to be noticed. They are officially described as fireballs if they produce a light brighter than the planet Venus. The brightness of a meteor is caused by friction with the Earth's atmosphere, which is typically far greater than that caused by simple falling, due to the initial trajectory of the object. Such objects typically eventually explode in an airburst called by the friction, causing them to vanish as an luminous object. However, this is not the end of the story as such explosions result in the production of a number of smaller objects, which fall to the ground under the influence of gravity (which does not cause the luminescence associated with friction-induced heating).
 
These 'dark objects' do not continue along the path of the original bolide, but neither do they fall directly to the ground, but rather follow a course determined by the atmospheric currents (winds) through which the objects pass. Scientists are able to calculate potential trajectories for hypothetical dark objects derived from meteors using data from weather monitoring services.
 
See also...
 

 
 
 
 
 
 
 














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