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2. History-making probe achieves closest-ever approach to the sun

   www.aol.com/news/history-making-probe-closest...

   The solar storms are also responsible for generating auroras that dance around Earth’s poles, known as the northern lights, or aurora borealis, and southern lights, or aurora australis.

3. Sundial - Wikipedia

   en.wikipedia.org/wiki/Sundial

   The rays of light that graze the tip of a gnomon, or which pass through a small hole, or reflect from a small mirror, trace out a cone aligned with the celestial poles. The corresponding light-spot or shadow-tip, if it falls onto a flat surface, will trace out a conic section, such as a hyperbola, ellipse or (at the North or South Poles) a circle.

4. Light pillar - Wikipedia

   en.wikipedia.org/wiki/Light_pillar

   A light pillar or ice pillar is an atmospheric optical phenomenon in which a vertical beam of light appears to extend above and/or below a light source. The effect is created by the reflection of light from tiny ice crystals that are suspended in the atmosphere or that comprise high-altitude clouds (e.g. cirrostratus or cirrus clouds). [1]

5. List of solar-powered products - Wikipedia

   en.wikipedia.org/wiki/List_of_solar-powered_products

   Picture of a Solar Compacting Trashcan Solar-powered fountain in a bird bath under shade versus direct sunlight. The following is a list of products powered by sunlight, either directly or through electricity generated by solar panels.

6. Solar street light - Wikipedia

   en.wikipedia.org/wiki/Solar_street_light

   A solar street light in British Columbia, Canada. The solar panel is one of the most important parts of a solar street light, as the solar panel can convert solar energy into electricity that the lamps can use. There are two types of solar panels commonly used in solar street lights: monocrystalline and polycrystalline. The conversion rate of ...

7. Aurora - Wikipedia

   en.wikipedia.org/wiki/Aurora

   An aurora [a] (pl. aurorae or auroras), [b] also commonly known as the northern lights (aurora borealis) or southern lights (aurora australis), [c] is a natural light display in Earth's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic). Auroras display dynamic patterns of brilliant lights that appear as curtains ...