Reference Learn about the today's moon phase and the rest of the moon phases for 2022, and when you can see them.
Reference The moon is Earth's closest celestial neighbor, but the temperature on the moon is drastically different.
Reference The average distance between Earth and the moon is about 238,855 miles (384,400 kilometers).
Reference The global average surface temperature lies somewhere around 57 degrees Fahrenheit (13.9 degrees Celsius).
Reference The temperature on Mars doesn't get much above 70 degrees F and it drop down to nearly minus 200 degrees F, making it a relatively cold planet.
Reference How big is the moon? Our moon is the fifth largest moon in the solar system, with a radius of 1,079.6 miles (1,737.5 kilometers).
Reference What is the sun made of? In several layers, hot gases are converted into energy and released as heat and light.
Reference Earth's star is the largest and the most massive object in the solar system. More than one million Earths could fit inside the sun.
Valentina Tereshkova was the first woman to go into space. She flew Vostok 6 in 1963, spending almost three days in space and orbiting Earth 48 times.
Rosetta was a spacecraft launched by the European Space Agency with a 10-year mission to rendezvous with a comet.