Memorial Day is an American holiday, observed on the last Monday of May, honoring the men and women who died while serving in the U.S. military. Memorial Day 2021 will occur on Monday, May 31. Originally known as Decoration Day, it originated in the years following the Civil War and became an official federal holiday […]
New Moon. By the modern definition, New Moon occurs when the Moon and Sun are at the same geocentric ecliptic longitude. The part of the Moon facing us is completely in shadow then. Pictured here is the traditional New Moon, the earliest visible waxing crescent, which signals the start of a new month in many […]
In April 2018, the United Nations General Assembly declared June 3 as International World Bicycle Day. The resolution for World Bicycle Day recognizes "the uniqueness, longevity and versatility of the bicycle, which has been in use for two centuries, and that it is a simple, affordable, reliable, clean and environmentally fit sustainable means of transport." Read More: https://www.un.org/en/observances/bicycle-day https://en.wikipedia.org/wiki/World_Bicycle_Day
Shavuot (listen (help·info)), or Shavuos (listen (help·info)) in some Ashkenazi usage (Hebrew: שָׁבוּעוֹת, Šāḇūʿōṯ, lit. "Weeks"), commonly known in English as the Feast of Weeks, is a Jewish holiday that occurs on the sixth day of the Hebrew month of Sivan (in the 21st cenutury, it may fall between May 15 and June 14 on the Gregorian calendar). In the Bible, Shavuot marked the wheat harvest in the Land of Israel (Exodus 34:22). […]
The Moon is at First quarter on this date -it will be visible high in the southern sky in early evening.
Feast of the Holy Trinity, also called Trinity Sunday, Christian feast in honour of the Trinity, celebrated in Western liturgical churches on the Sunday following Pentecost (the 50th day after Easter). - britannica.com
Charles Babbage (1791-1871), computer pioneer, designed two classes of engine, Difference Engines, and Analytical Engines. Difference engines are so called because of the mathematical principle on which they are based, namely, the method of finite differences. The beauty of the method is that it uses only arithmetical addition and removes the need for multiplication and […]
The Full Moon rises at sunset, and is visible all night. The Vatican Observatory's monthly Full Moon Meetup for Sacred Space Astronomy subscribers is held at 10:00 AM Tucson time.
Join us for our Full Moon Meetup! Our guest will be Prof. Stephen Barr, founder & president of the Society of Catholic Scientists!
Mercury's 88-day orbit around the Sun will carry it to its furthest point to the Sun – its aphelion – at a distance of 0.47 AU. Unlike most of the planets, which follow almost exactly circular orbits around the Sun only varying in their distance from the Sun by a few percent, Mercury has a significantly […]
The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.
The summer solstice is the day when the Sun appears to reach its highest point in the sky during the year - it marks the start of summer in the Northern Hemisphere.
International Asteroid Day is a United Nations-recognized day observed each year on the anniversary of the Tunguska impact event of June 30, 1908.
Canada Day (French: Fête du Canada) is the national day of Canada. A federal statutory holiday, it celebrates the anniversary of July 1, 1867, the effective date of the Constitution Act, 1867 (then called the British North America Act, 1867), which united the three separate colonies of the Province of Canada, Nova Scotia, and New Brunswick into a single Dominion within the British Empire […]
Thomas Harriot was an English astronomer, mathematician, ethnographer and translator who made advances within the scientific field. Thomas Harriot was recognized for his contributions in astronomy, mathematics, and navigational techniques. Harriot worked closely with John White to create advanced maps for navigation. While Harriot worked extensively on numerous papers on the subjects of astronomy, mathematics and navigation, the amount of work that he actually […]
Earth will be at the farthest point in its orbit around the Sun on this date - 94,510,886 miles.
