Rare, all-red auroras are produced by high-altitude oxygen, at heights of up to 200 miles. Nitrogen produces blue or purplish-red aurora. The connection between the Northern Lights and sunspot activity has been suspected since about 1880.
In developed countries, the average birth weight of a full-term newborn is approximately 3.4 kg (71â2 lb), and is typically in the range of 2.7â4.6 kg (6.0â10.1 lb).
1 In the first year your newborn baby will on average gain 8 ounces in weight each month and have an average growth of around 1/4 to 1/2 inch a month.2  From birth to the childs first birthday their weight will have tripled. Dieting for teens is not recommended as quite often you will find they will simply grow out or their baby fat as they mature into young adults. 2  In the first year your newborn baby will on average gain 8 ounces in weight each month and have an average growth of around 1/4 to 1/2 inch a month.