Venus is visible above Earth's moon, which is illuminated solely by light reflected from Earth. Because of Venus's nearness to Earth and the way its clouds reflect sunlight, it appears to be the brightest planet in the night sky. Photo: NASA
Hubble: A mountain of dust and gas rising in the Carina Nebula. The top of a three-light-year tall pillar of cool hydrogen is being worn away by the radiation of nearby stars, while stars within the pillar unleash jets of gas that stream from the peaks.
Being in nature is extremely therapeutic and restorative. If you are trapped in the office or live in a big city, simply looking at pictures of beautiful scenery can improve mood, reduce stress, and increase vitality.