June 21st is the summer solstice! This is the longest day of the year for most places in the Northern hemisphere, and is when the sun reaches it’s highest point in the sky.
Celebrate by exploring the solar system with NASA’s Solar System Exploration game where you can learn more about the sun, stars, and planets. https://solarsystem.nasa.gov/kids/index.cfm
Photo Credit: NASA/European Space Agency. Published: 14 September 1999