AURORA An aurora is a natural light display that shimmers in the sky. Colorful blue, red, yellow, green, and orange lights shift gently and change shape like softly blowing curtains. Auroras are only visible at night, and usually only appear in lower polar regions. Auroras are visible almost every night near the Arctic and Antarctic Circles, which are about 66.5 degrees north and south of the Equator. In the north, the display is called aurora borealis , or northern lights. In the south, it is called aurora australis , or southern lights. How Aurora Can Be Formed? The activity that creates auroras begins on the sun. The sun is a ball of superhot gases made up of electrically charged particles called ions. The ions, which continuously stream from the sun’s surface, are called the solar wind. As solar wind approaches the Earth, it meets the Earth’s magnetic field. Without this magnetic field protecting the planet, the sola
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In 17th until 21st March 2019, SMA Negeri 3 Bandung was held annual activity that we called Tur Budaya. The purpose of this activity is to learn about the culture in Bali. Sunday, 17th March we gathered at Husein Sastranegara Airport. We must arrive at airport a few hours before take off. We arrived at I Gusti Ngurah Rai Airport Bali around 16.00. Our first destination in Bali is Tanah Lot, but because our plane was delayed so we can not go to Tanah Lot. So we only went to Jimbaran Beach. We had dinner together. But unfortunately the weather at that time did not support, because it was raining we had to go to the hotel and take a rest because it was already late at night. In second day in Bali we went to Tanjung Benoa Watersport. In this beach we can play several water sports. You can go to turtle island with glass bottom boat, so you can see the view under the see from the boat. After that, we went to Pujamandala, Pudjamandala is a plac