

Calendar
Calendar of Events
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First Quarter Moon
The Moon is at First quarter on this date -it will be visible high in the southern sky in early evening.
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Tullio Levi-Civita, born 1873
Tullio Levi-Civita, ForMemRS (English: /ˈtʊlioʊ ˈlɛvi ˈtʃɪvɪtə/, Italian: ; 29 March 1873 – 29 December 1941) was an Italian mathematician, most famous for his work on absolute differential calculus (tensor calculus) and its applications to the theory of relativity, but who also made significant contributions in other areas. He was a pupil of Gregorio Ricci-Curbastro, the inventor of tensor calculus. His work included foundational papers in both pure and applied […]
Francesco Zantedeschi died 1873
Francesco Zantedeschi (August 20, 1797 – March 29, 1873) was an Italian Catholic priest and physicist. A native of Dolcè, near Verona, Zantedeschi was for some time professor of physics and philosophy in the Liceo of Venice. Later he accepted the chair of physics in the University of Padua, which he held until 1853 being then obliged to resign on account of failing sight. He was an […]
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Cesar Chavez Day, born 1927, Yuma, AZ.
Cesar Chavez (born César Estrada Chávez, locally ; March 31, 1927 – April 23, 1993) was an American labor leader and Latino American civil rights activist. Along with Dolores Huerta, he co-founded the National Farm Workers Association, later renamed the United Farm Workers (UFW) union. - Wikipedia
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April Fools Day.
April Fools' Day or April Fool's Day (sometimes called All Fools' Day) is an annual celebration on April 1, commemorated by practical jokes and hoaxes. The player(s) of the joke(s) or hoax(es) often exposes their action by shouting "April fool(s)" at the recipient(s). The recipient of these actions are called April fools. Mass media can be involved in these pranks that the following […]
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From Galileo to Laudato Si’ – Br. Guy Consolmagno
From Galileo to Laudato Si’ – Br. Guy Consolmagno
Br. Guy Consolmagno will be giving the talk "From Galileo to Laudato Si’" at 7:30 pm (Eastern Time) in the MIT Stata Center, Building 32-155 at 7:30pm on April 3rd.
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International Day of Human Space Flight.
The General Assembly, in its resolution A/RES/65/271 of 7 April 2011, declared 12 April as the International Day of Human Space Flight “to celebrate each year at the international level the beginning of the space era for mankind, reaffirming the important contribution of space science and technology in achieving sustainable development goals and increasing the well-being of […]
Your God is Too Small – Br. Guy Consolmagno
Your God is Too Small – Br. Guy Consolmagno
Br. Guy Consolmagno will present the talk "Your God is Too Small" as part of the Rev. George V. Coyne, S.J. Annual Lecture at Marquette University, Wisconsin - at 7:00 PM (Central) on April 12th.
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Last Quarter Moon
The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.
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New Moon
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 […]
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International Earth Day
First held in 1970, Earth Day is held annually on April 22 to demonstrate support for environmental protection.
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International Chernobyl Disaster Remembrance Day
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.
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International Girls in Information and Communications Technology (ICT) Day
On Girls in ICT Day– marked annually on the fourth Thursday in April – the United Nations International Telecommunication Union (ITU) is highlighting the need to promote technology career opportunities for girls and women in the world's fastest growing sector.
First Quarter Moon
The Moon is at First quarter on this date -it will be visible high in the southern sky in early evening.
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World Day for Safety and Health at Work
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.