Moon at Perigee
Supermoon: Full Moon at the Moon's perigee - the Moon's closest point to Earth in its monthly orbit.
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.
May Day is a public holiday usually celebrated on 1 May or the first Monday of May. It is an ancient festival of spring and a current traditional spring holiday in many European cultures. Dances, singing, and cake are […]
The Moon is at Last Quarter (or Third Quarter) - rising around midnight, and visible to the south after sunrise.
The Eta Aquariids are a strong shower when viewed from the southern tropics. From the equator northward, they usually only produce medium rates of 10-30 per hour just before dawn. […]
The Moon appears near the planet Jupiter in the southeastern predawn sky on this date.
Mother's Day in the United States is an annual holiday celebrated on the second Sunday in May. Mother's Day recognizes mothers, motherhood and maternal bonds in general, as well as the […]
Arthur Leonard Schawlow (May 5, 1921 – April 28, 1999) was an American physicist and co-inventor of the laser with Charles Townes. His central insight, which Townes overlooked, was the use of two mirrors as the resonant […]
Mother's Day in the United States is an annual holiday celebrated on the second Sunday in May. Mother's Day recognizes mothers, motherhood and maternal bonds in general, as well as the […]
Sir John Frederick William Herschel, 1st Baronet KH FRS (/ˈhɜːrʃəl, ˈhɛər-/; 7 March 1792 – 11 May 1871) was an English polymath, mathematician, astronomer, chemist, inventor, experimental photographer who invented the blueprint, and did botanical work. Herschel originated the use of the Julian day system in astronomy. He […]