Consider the following statements regarding the “Aurora”:
Statement-I: An aurora is a natural phenomenon which is characterised by a display of a natural-coloured (green, red, yellow or white) light in the sky
Statement-II: It is a light show which is caused when electrically-charged particles from the sun collide with particles from gases such as oxygen and nitrogen present in the Earth’s atmosphere.
Which one of the following is correct in respect of the above statements?