Popularity of the Name Raisa. This name is not popular in the US, according to Social Security Administration, as there are no popularity data for the name. This doesn't mean that the name Raisa is not popular in other countries all over the world.
Causes of Halos and Glare. Halos typically occur when your surroundings are mostly dim or dark whereas glare is more likely to happen during the day. Halos and glare can be a normal response to bright lights or, in some cases, can be the result of a more serious eye problem.
What causes the Northern Lights? The Northern Lights are actually the result of collisions between gaseous particles in the Earth's atmosphere with charged particles released from the sun's atmosphere. Variations in colour are due to the type of gas particles that are colliding.