极光的英文介绍,演示ppt
- 格式:pdf
- 大小:1.72 MB
- 文档页数:13
芬兰极光英文介绍English:The Northern Lights, also known as the Aurora Borealis, are one of nature's most mesmerizing displays. They occur when charged particles from the sun collide with gases in Earth's atmosphere, creating a stunning array of colors dancing across the night sky. In Finland, the Northern Lights can be witnessed in regions north of the Arctic Circle, such as Lapland, during the winter months when the nights are long and dark. The phenomenon is deeply ingrained in Finnish culture and mythology, often associated with mythical creatures and ancient tales. Visitors flock to Finland from around the world to witness this ethereal spectacle, often combining it with other winter activities such as husky sledding, snowmobiling, and ice fishing. The remote wilderness of Finnish Lapland offers some of the best opportunities to see the Northern Lights, away from light pollution and amidst breathtaking natural landscapes. Whether seen from the comfort of a glass igloo or while trekking through snow-covered forests, experiencing the Northern Lights in Finland is a truly unforgettable adventure that leaves a lasting impression on all who witness its beauty.中文翻译:北极光,也称为极光,是大自然中最迷人的景观之一。
The Aurora Borealis: A Glimpse intothe Northern LightsUnderstanding the Science Behind the Northern LightsThe Different Types of Northern LightsFactors Affecting the Visibility of the Northern LightsSeveral factors influence the visibility of the Northern Lights. The most crucial factor is solar activity, measured the Sun's 11year solar cycle. The lights are more frequent and intense during periods of high solar activity. Additionally, the time of year plays a significant role, as the Northern Lights are more visible during the equinoxes, particularly in March and September. Dark, clear skies are also essential for observing the Northern Lights, so remote locations away from city lights are ideal.How to Witness the Northern LightsTo witness the Northern Lights, planning and patience are key. First, you'll need to be in a location with a high latitude, such as Alaska, Canada, Scandinavia, or Iceland. Check for solar activity forecasts and choose a time when the sky is clear and dark. Remember to dress warmly, as the best viewing conditions often occur in cold temperatures. Bring acamera to capture the stunning lights, and be prepared to wait, as the Northern Lights can be unpredictable.In conclusion, the Northern Lights are a breathtaking natural wonder that continues to captivate people around the world. By understanding the science behind this phenomenon and knowing the best conditions for viewing, you can increase your chances of experiencing this onceinalifetime spectacle.The Northern Lights: A Celestial Dance of Light and Color The Enchanting Patterns of the AuroraThe Mythology and History of the Northern LightsFor centuries, the Northern Lights have been a subject of fascination, inspiring myths and legends among various cultures. The Sami people of Scandinavia believed the lights were caused the firefoxes running so quickly across the snow that their tails sparked and ignited the sky. In Norse mythology, the lights were considered to be the reflections of the Valkyries' armor as they rode across the sky, leading fallen warriors to Valhalla. Early scientists, like the Greek explorer Pytheas, documented the Northern Lights as far back as 325 BCE, but it wasn't until the 17th century that scientists like Edmond Halley began to understand their true nature.The Impact of the Northern Lights on TechnologyChasing the Lights: A Guide for Aurora HuntersFor those who seek to witness the Northern Lights, the journey is often referred to as "aurora hunting." Here are some tips for aspiring hunters:Research and Prepare: Learn about the best times and locations for aurora viewing. Use aurora forecast websites to track solar activity and geomagnetic storms.Stay Informed: Sign up for aurora alerts and keep an eye on the weather forecast for clear skies.Be Patient: The Northern Lights can be elusive. Be prepared to wait for hours, and sometimes multiple nights,for the perfect conditions.Safety First: If you're venturing into remote areas, make sure you have the proper gear, a reliable form of transportation, and that someone knows your whereabouts.The Northern Lights: A Universal ConnectionThe Northern Lights are a humbling reminder of the interconnectedness of our planet with the vast universe. As we stand beneath the shimmering auroral glow, we are not just spectators but participants in a cosmic event that spans time and space. The Northern Lights, with their ethereal beauty, continue to inspire awe and curiosity, reminding us of the wonders that lie beyond our everyday world.The Northern Lights: A Celestial Symphony of Earth and SpaceThe Sensitive Relationship Between the Lights and Earth's EnvironmentThe Northern Lights are not just a passive display; they are a dynamic response to the Earth's environment. The interaction between the solar wind and the Earth's magnetosphere is influenced various environmental factors. For instance, the presence of coronal holes on the Sun can increase the speed of the solar wind, leading to more intense auroral activity. Additionally, the Earth's magnetic field itself is not static; it fluctuates and can even experience reversals over geological timescales, which in turn affects the behavior of the Northern Lights.The Sounds of the Northern LightsThe Northern Lights and Human HealthConserving the Night Sky for Future GenerationsThe Northern Lights rely on dark skies to be visible, and as urbanization spreads, artificial light pollution threatens the visibility of this natural wonder. Conservation efforts are underway to protect dark sky areas, ensuring that future generations can experience the Northern Lights in their full glory. Initiatives such as the International DarkSky Association work to educate the public about the importance of dark skies and to advocate for the reduction of light pollution.Tips for Photographing the Northern LightsFor those who wish to capture the Northern Lights through photography, here are some practical tips:Equipment: Use a camera with manual settings, a wideangle lens, and a sturdy tripod.Settings: Set your camera to a high ISO, a wide aperture (low fnumber), and a long shutter speed, depending on the brightness of the lights.Composition: Frame your shot with interesting foreground elements to add depth to your image.The Northern Lights: A Universal LanguageThe Northern Lights speak a universal language that transcends cultural and linguistic boundaries. They are a shared wonder of the natural world, capable of uniting people under the same aweinspiring sky. Whether you are a scientist studying their intricate patterns or a traveler seeking a onceinalifetime experience, the Northern Lights offer a profound connection to the cosmos and a reminder of the beauty that exists beyond our daily lives.。
英文白夜极光The Northern Lights, also known as the Aurora Borealis, are a spectacular natural phenomenon that occurs in the polar regions of the Earth. These breathtaking displays of colored lights dancing across the sky have captivated people for centuries.北极光,又称极光,是一种在地球极地地区发生的壮观自然现象。
色彩斑斓的光芒在天空中跳跃,令人惊叹不已,吸引了人们的目光。
The stunning light show is caused by the interaction between the solar wind and the Earth's magnetic field. Charged particles from the sun collide with atoms in the Earth's atmosphere, creating the vibrant colors that light up the night sky.这场惊艳的灯光秀是由太阳风与地球磁场之间的相互作用引发的。
来自太阳的带电粒子与地球大气中的原子碰撞,创造出照亮夜空的生动色彩。
The Northern Lights are most commonly seen in areas near the Arctic Circle, such as Norway, Iceland, and Canada. Many peopletravel to these regions specifically to witness this awe-inspiring display of nature's beauty.极光最常见于靠近北极圈的地区,如挪威、冰岛和加拿大。
Section A Finland Northern Lights The Northern Lights, also known as “Aurora Borealis(北极光)” or the “Dawn of the North”, never fail to take your breath away. The aurora borealis is one of the most sublime(超群的) and magnificent natural phenomena on Earth. Before scientists cracked(侦破) the mystery of the auroras, men were drawn(吸引) and fascinated(强烈地吸引住) by these dancing and magical lights that were often found in mythology(神话) and legends. In Roman Mythology, it is said that the Aurora is the deity(神) of the dawn. In North America, the Inuits (爱斯基摩人)have many legends that explain them as spirits of the dead. They believed that the lights are the essences(精华) of deer, salmon(鲑鱼), seals and other animals that they hunted. Aristotle (亚里斯多德)thought it was glowing air gushing(喷出) from cracks in the sky. The appearance of the red aurora in medieval(中世纪的) times was feared as a bad omen (前兆) or a sign of God's anger. They believed the manifestation (显现)of the aurora indicated famine or war. Charles Hall (查尔斯·霍尔), a 19th-century polar explorer, exclaimed: "Who but God can conceive(想出) such infinite(无穷的) scenes of glory?" Oddly enough, the Maori (毛利人)thought that the displays were just reflections of a campfire(营火) or torches.Regardless whether you believe the scientific facts or the legends behind its existence, you’ll still be captivated(吸住) by these supernatural display of lights, and there are countless destinations where you can see the majestic phenomenon. Finland(芬兰), for example, should be a representative. Many visitors to Finland come with hopes of seeing the Finland Northern Lights. The best place to see the Northern Lights in Finland is in the northern Lapland region(拉普兰地区), which is almost entirely located within the realm(区域) of the Arctic Circle (北极圈). During the dark winter months here, when the sun rarely peaks(使达到最高峰) its head over the horizon, you can expect to see the Finland Northern Lights with regularity, and other peak(峰值) seasons include February through March and September through October. The time between 6 p.m. and 1 a.m. is the most intense period of the day. The highest probability within this timespan(时间间隔)to see the Finland Northern Lights is between 9 p.m. and 11:30 p.m., though they are certainly not restricted to this time frame. If you have never seen the Northern Lights wherever they commonly occur in the world, then you will be amazed the first time when you lay eyes on them.The Northern Lights are similar to a sunset in the sky at night, but appear occasionally in arcs(弧光)or spirals(螺旋形物)usually following the earth's magnetic(磁性的)field. They are most often light green in color but often have a hint of pink. Swirling(涡旋形的) shades of blue,green, and pink are most common when it comes to the Finland Northern Lights. Strong eruptions also have violet(紫罗兰色的) and white colours. Red northern lights are rare, but can sometimes be observed on lower latitudes(纬度).The Finland Aurora Borealis, while best seen in Lapland, can also be witnessed as far south as the capital city of Helsinki(赫尔辛基) from time to time, though on average, there are only some twenty days out of the year when viewing them is possible in most southern parts of the country. Part of the reason why it can be difficult to see the Northern Lights of Finland in Helsinki is because of the fact that it is hard to escape to dimly lit areas. The relative lack of city lights is just one of the reasons why the Lapland region sees some 200 nightly occurrences every year, and one must also consider the region’s northern location. The lower reaches(区域) of the Arctic Circle are ideal for viewing the Northern Lights across the planet, which is why Canada and Alaska are good destinations in the Western Hemisphere(半球).For those who are wondering what causes the Northern Lights in Finland, solar flares(耀斑) are largely responsible. These flares effectively cause solar winds and solar storms, which create lingering(游移的) atmospheric particles or matter. The Aurora Borealis is just caused by these charged(带电的) particles(粒子) ejected(喷出) from thesun. When these particles reach the earth, they collide(碰撞) with gas atoms in the earth's atmosphere causing them to energise( 释放出能量) which results in a spectacular multi-coloured light show. As such(因此), scientists can often accurately predict when the best times are for viewing the Northern Lights in Finland by keeping an eye out for(留心) solar flares. ( 757 words)New Wordsaurora [ɔ:'rɔ:rə] n. 曙光[C]; 极光[C];【罗神】(大写)奥罗拉(即曙光女神)sublime [sə'blaɪm] a. 雄伟的;卓越的;壮丽的;超群的crack [kræk] v. 敲破; 破(案); 破解draw v. 吸引(注意等)fascinate v. 强烈地吸引住mythology [mi'θɔlədʒi] n. 神话deity ['di:iti] n. 神essence ['esns] n. 精髓,精华salmon ['sæmən] n. 鲑,大麻哈鱼gush [gʌʃ] v. 涌出,喷出medieval [medi'i:vəl] a. 中世纪的,中古(时代)的;原始的omen ['əumən] n. 前兆,预兆,兆头manifestation [,mænifes'teiʃən] n. 显现conceive [kən'si:v] v. 想像;想出infinite ['infinit] a. 无穷的,广大无边的campfire ['kæmp,faiə] n. 营火,篝火captivate ['kæptiveit] v. 吸住;迷惑住realm [relm] n.区域,范围peak vt. 使达到最高峰n. 最大量;巅值,峰值timespan n. 时间间隔arc [ɑ:k] n. 弧;弧光spiral ['spairəl] n. 螺旋形物magnetic [mæg'netik] a. 磁(性)的swirling [swə:l] v. (使)打旋; 盘绕violet ['vaiəlit] a. 紫罗兰色的latitude ['lætitju:d] n. 纬度reach n. 区域,领域,范围hemisphere ['hemisfiə] n. 半球flare [flɛə] n. (太阳的)耀斑,色球爆发lingering ['liŋgəriŋ] a. 逗留不去的;游移的charge v. 充(电)particle ['pɑ:tikl] n. 颗粒,微粒;粒子eject [i'dʒekt] v. 喷出collide [kə'laid] v. (车等)碰撞(with);(意志等)冲突,抵触(with)energise ['enədʒaiz] =energize(美)vt. 供给... 能量,使精力充沛vi. 释放出能量Useful Expressionstake one’s breath away 屏息凝神with regularity 经常地be restricted to 局限于lay eyes on 看到,看见a hint of 一丁点儿collide with (车等)碰撞;(意志等)冲突,抵触as such 这样;因此keep an eye out for 留心Proper NamesAurora Borealis 北极光the Inuit 因纽特人;爱斯基摩人Aristotle 亚里斯多德Charles Hall 查尔斯霍尔Maori 毛利人;毛利语Finland 芬兰Lapland region 拉普兰地区Arctic Circle 北极圈(北纬66度33分以北区域)Helsinki 赫尔辛基(芬兰首都)Notes1.Aurora Borealis: 北极光--- "北端的光"由太阳风和地球磁场及上层大气交互作用产生。
Section A Finland Northern Lights The Northern Lights, also known as “Aurora Borealis(北极光)” or the “Dawn of the North”, never fail to take your breath away. The aurora borealis is one of the most sublime(超群的) and magnificent natural phenomena on Earth. Before scientists cracked(侦破) the mystery of the auroras, men were drawn(吸引) and fascinated(强烈地吸引住) by these dancing and magical lights that were often found in mythology(神话) and legends. In Roman Mythology, it is said that the Aurora is the deity(神) of the dawn. In North America, the Inuits (爱斯基摩人)have many legends that explain them as spirits of the dead. They believed that the lights are the essences(精华) of deer, salmon(鲑鱼), seals and other animals that they hunted. Aristotle (亚里斯多德)thought it was glowing air gushing(喷出) from cracks in the sky. The appearance of the red aurora in medieval(中世纪的) times was feared as a bad omen (前兆) or a sign of God's anger. They believed the manifestation (显现)of the aurora indicated famine or war. Charles Hall (查尔斯·霍尔), a 19th-century polar explorer, exclaimed: "Who but God can conceive(想出) such infinite(无穷的) scenes of glory?" Oddly enough, the Maori (毛利人)thought that the displays were just reflections of a campfire(营火) or torches.Regardless whether you believe the scientific facts or the legends behind its existence, you’ll still be captivated(吸住) by these supernatural display of lights, and there are countless destinations where you can see the majestic phenomenon. Finland(芬兰), for example, should be a representative. Many visitors to Finland come with hopes of seeing the Finland Northern Lights. The best place to see the Northern Lights in Finland is in the northern Lapland region(拉普兰地区), which is almost entirely located within the realm(区域) of the Arctic Circle (北极圈). During the dark winter months here, when the sun rarely peaks(使达到最高峰) its head over the horizon, you can expect to see the Finland Northern Lights with regularity, and other peak(峰值) seasons include February through March and September through October. The time between 6 p.m. and 1 a.m. is the most intense period of the day. The highest probability within this timespan(时间间隔)to see the Finland Northern Lights is between 9 p.m. and 11:30 p.m., though they are certainly not restricted to this time frame. If you have never seen the Northern Lights wherever they commonly occur in the world, then you will be amazed the first time when you lay eyes on them.The Northern Lights are similar to a sunset in the sky at night, but appear occasionally in arcs(弧光)or spirals(螺旋形物)usually following the earth's magnetic(磁性的)field. They are most often light green in color but often have a hint of pink. Swirling(涡旋形的) shades of blue,green, and pink are most common when it comes to the Finland Northern Lights. Strong eruptions also have violet(紫罗兰色的) and white colours. Red northern lights are rare, but can sometimes be observed on lower latitudes(纬度).The Finland Aurora Borealis, while best seen in Lapland, can also be witnessed as far south as the capital city of Helsinki(赫尔辛基) from time to time, though on average, there are only some twenty days out of the year when viewing them is possible in most southern parts of the country. Part of the reason why it can be difficult to see the Northern Lights of Finland in Helsinki is because of the fact that it is hard to escape to dimly lit areas. The relative lack of city lights is just one of the reasons why the Lapland region sees some 200 nightly occurrences every year, and one must also consider the region’s northern location. The lower reaches(区域) of the Arctic Circle are ideal for viewing the Northern Lights across the planet, which is why Canada and Alaska are good destinations in the Western Hemisphere(半球).For those who are wondering what causes the Northern Lights in Finland, solar flares(耀斑) are largely responsible. These flares effectively cause solar winds and solar storms, which create lingering(游移的) atmospheric particles or matter. The Aurora Borealis is just caused by these charged(带电的) particles(粒子) ejected(喷出) from thesun. When these particles reach the earth, they collide(碰撞) with gas atoms in the earth's atmosphere causing them to energise( 释放出能量) which results in a spectacular multi-coloured light show. As such(因此), scientists can often accurately predict when the best times are for viewing the Northern Lights in Finland by keeping an eye out for(留心) solar flares. ( 757 words)New Wordsaurora [ɔ:'rɔ:rə] n. 曙光[C]; 极光[C];【罗神】(大写)奥罗拉(即曙光女神)sublime [sə'blaɪm] a. 雄伟的;卓越的;壮丽的;超群的crack [kræk] v. 敲破; 破(案); 破解draw v. 吸引(注意等)fascinate v. 强烈地吸引住mythology [mi'θɔlədʒi] n. 神话deity ['di:iti] n. 神essence ['esns] n. 精髓,精华salmon ['sæmən] n. 鲑,大麻哈鱼gush [gʌʃ] v. 涌出,喷出medieval [medi'i:vəl] a. 中世纪的,中古(时代)的;原始的omen ['əumən] n. 前兆,预兆,兆头manifestation [,mænifes'teiʃən] n. 显现conceive [kən'si:v] v. 想像;想出infinite ['infinit] a. 无穷的,广大无边的campfire ['kæmp,faiə] n. 营火,篝火captivate ['kæptiveit] v. 吸住;迷惑住realm [relm] n.区域,范围peak vt. 使达到最高峰n. 最大量;巅值,峰值timespan n. 时间间隔arc [ɑ:k] n. 弧;弧光spiral ['spairəl] n. 螺旋形物magnetic [mæg'netik] a. 磁(性)的swirling [swə:l] v. (使)打旋; 盘绕violet ['vaiəlit] a. 紫罗兰色的latitude ['lætitju:d] n. 纬度reach n. 区域,领域,范围hemisphere ['hemisfiə] n. 半球flare [flɛə] n. (太阳的)耀斑,色球爆发lingering ['liŋgəriŋ] a. 逗留不去的;游移的charge v. 充(电)particle ['pɑ:tikl] n. 颗粒,微粒;粒子eject [i'dʒekt] v. 喷出collide [kə'laid] v. (车等)碰撞(with);(意志等)冲突,抵触(with)energise ['enədʒaiz] =energize(美)vt. 供给... 能量,使精力充沛vi. 释放出能量Useful Expressionstake one’s breath away 屏息凝神with regularity 经常地be restricted to 局限于lay eyes on 看到,看见a hint of 一丁点儿collide with (车等)碰撞;(意志等)冲突,抵触as such 这样;因此keep an eye out for 留心Proper NamesAurora Borealis 北极光the Inuit 因纽特人;爱斯基摩人Aristotle 亚里斯多德Charles Hall 查尔斯霍尔Maori 毛利人;毛利语Finland 芬兰Lapland region 拉普兰地区Arctic Circle 北极圈(北纬66度33分以北区域)Helsinki 赫尔辛基(芬兰首都)Notes1.Aurora Borealis: 北极光--- "北端的光"由太阳风和地球磁场及上层大气交互作用产生。