Ed, Post Basic B.
Read the following passage and make notes in an appropriate format: Auroral displays appear in many colours although pale green and pink are the most common.
Shades of red, yellow, green, blue, and violet have been reported. The lights appear in many forms from patches or scattered clouds of light to streamers, arcs, rippling curtains or shooting rays that light up the sky with an eerie glow.
The most common auroral color, a pale yellowish-green, is produced by FEG oxygen molecules located about 60 miles above the earth.
Rare, all-red auroras are produced FEG by high-altitude oxygen, at heights of up to miles. Nitrogen produces blue or purplish-red aurora. The connection between the Northern Lights and sunspot activity has been suspected since about The temperature above the surface of the sun is millions of degrees Celsius.
At this temperature, collisions between gas molecules are frequent and explosive. These collisions emit light that we perceive as the dancing lights of the north and the south.
Northern Lights can be seen in the northern or southern hemisphere, in an irregularly shaped oval centred over each magnetic pole. Scientists have learned that in most instances northern and southern auroras are mirror-like images that occur at the same time, with similar shapes and colors.
Winter in the north is generally a good season to view lights. The long periods of darkness and the frequency of clear nights provide many good opportunities to watch the auroral displays. Usually the best time of night on clear nights to watch for auroral displays is local midnight.
Many cultural groups have legends about the lights.
In medieval times, the occurrences of auroral displays were seen as harbingers of war or famine. The Maori of New Zealand shared a belief with many northern people of Europe and North America that the lights were reflections from torches or campfires.
The Inuit of Alaska believed that the lights were the spirits of the animals they hunted: Other aboriginal peoples believed that the lights were the spirits of their people.ignou solved assignment guru bca mca ba ma bdp timberdesignmag.com timberdesignmag.com bba mba timberdesignmag.com timberdesignmag.com timberdesignmag.com solution july january Download Ignou FEG 2 Question Papers Sometimes, students find it difficult to search and download the last 10 year question papers from the university official website.
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Check. IGNOU FEG / BEGF Solved Assignment July And January In English Free Download. Download Free IGNOU FEG / BEGF Foundation Course In . The Ignou date sheet provided by the university very early is the Tentative date sheet which may change days before the examination.
Although there will not be major changes in the date sheet, still the students should download the final exam schedule.