• Full Moon

    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.

  • St Valentine’s Day

    Saint Valentine was a widely recognized 3rd-century Roman saint, commemorated in Christianity on February 14. From the High Middle Ages his Saints’ Day is associated with a tradition of courtly love. – Wikipedia

  • Anniversary of the 2013 Chelyabinsk Asteroid Impact Event

    On February 15 2013 an asteroid exploded in the sky over the city of Chelyabinsk, in the the southern Ural region of Russia. The shock wave blew out windows all over the city, injuring over 1600 people, and damaged several buildings.

  • Venus at Perihelion

    The planet Venus is a Perihelion (its closest approach to the Sun) on this date.

  • Last Quarter Moon

    The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.

  • James Dewar, died 1923

    Sir James Dewar FRS FRSE (20 September 1842 – 27 March 1923) was a British chemist and physicist. He is best known for his invention of the vacuum flask, which he used in conjunction with research into the liquefaction of gases. He also studied atomic and molecular spectroscopy, working in these fields for more than 25 years. - Wikipedia

  • Val Logsdon Fitch, born 1923

    Val Logsdon Fitch (March 10, 1923 – February 5, 2015) was an American nuclear physicist who, with co-researcher James Cronin, was awarded the 1980 Nobel Prize in Physics for a 1964 experiment using the Alternating Gradient Synchrotron at Brookhaven National Laboratory that proved that certain subatomic reactions do not adhere to fundamental symmetry principles. Specifically, they proved, by examining the decay of K-mesons, that a reaction run in […]

  • Total Lunar Eclipse

    The Moon will pass into Earth’s shadow and appear to turn red on the night of March 13 or early in the morning on March 14.

  • Fr. Eusebio Kino SJ, died 1711

    Eusebio Francisco Kino, SJ (Italian: Eusebio Francesco Chini, Spanish: Eusebio Francisco Kino; 10 August 1645 – 15 March 1711), often referred to as Father Kino, was a Tyrolean Jesuit, missionary, geographer, explorer, cartographer and astronomer born in the Territory of the Bishopric of Trent, then part of the Holy Roman Empire. For the last 24 years of his life he worked in the region then known as the Pimería Alta, modern-day Sonora in Mexico and southern Arizona in the United […]