World Metrology Day.
World Metrology Day is an annual celebration of the signature of the Metre Convention on 20 May 1875 by representatives of seventeen nations. The Convention set the framework for global […]
World Metrology Day is an annual celebration of the signature of the Metre Convention on 20 May 1875 by representatives of seventeen nations. The Convention set the framework for global […]
Mercury passes very close to the Sun in the sky as its orbit carries it between the Sun and Earth. This happens once in 116 days (the synodic cycle of […]
The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.
PRESENTER Br. Guy Consolmagno, S.J. Director of the Vatican Observatory and President of the Vatican Observatory Foundation Is there a particularly “Jesuit” form of science? From Acosta’s work in the […]
The Waning Crescent Moon appears 8° from Venus in the eastern predawn sky.
Mars and Jupiter appear less than 1° apart in the eastern predawn sky
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 […]
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 […]
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 […]