Mercury at Perihelion
Mercury's 88-day orbit around the Sun will carry it to its closest point to the Sun – its perihelion – at a distance of 0.31 AU from the Sun.
Mercury's 88-day orbit around the Sun will carry it to its closest point to the Sun – its perihelion – at a distance of 0.31 AU from the Sun.
The Full Moon rises at sunset, is visible high in the sky around midnight, and is visible all night.
An explosion at the Chernobyl Nuclear Power Plant in 1986 spread a radioactive cloud over large parts of the Soviet Union; millions of people in the three countries were exposed to the radiation.
Supermoon: Full Moon at the Moon's perigee - the Moon's closest point to Earth in its monthly orbit.
The World Day for Safety and Health at Work will focus on addressing the outbreak of infectious diseases at work, in particular, on the COVID-19 pandemic.
Uranus will pass close to the Sun in the sky as its orbit carries it around the far side of the solar system from the Earth.