

Calendar
Mercury at Aphelion
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.
Martin Luther King Jr. Day.
"Martin Luther King Jr. (January 15, 1929 – April 4, 1968) was an American Baptist minister and activist who became the most visible spokesperson and leader in the civil rights movement from 1955 until his assassination […]
Last Quarter Moon
The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.
International Holocaust Remembrance Day
The United Nations General Assembly designated January 27—the anniversary of the liberation of Auschwitz-Birkenau—as International Holocaust Remembrance Day. On this annual day of commemoration, the UN urges every member state to honor […]
Bertrand Russell died, 1970 (b. 1872).
Bertrand Arthur William Russell, 3rd Earl Russell, OM FRS (/ˈrʌsəl/; 18 May 1872 – 2 February 1970) was a British philosopher, logician, mathematician, historian, writer, essayist, social critic, political activist, and Nobel laureate. At various points in […]
An Evening of Celebration
Apostolic Nunciature of the Holy See 3339 Massachusetts Ave NW, Washington, DC, United StatesA celebration in honor of Br. Guy's newest book, a Jesuit's Guide to the Stars
Foothills Speaker Series: Reaching for the Heavens – James Renn
Holland Center 34250 N 60th St., Scottsdale, AZ, United StatesJames Renn, a member of the Vatican Observatory Foundation's Council of Advisors will be giving this talk at the Holland Center in Scottsdale, AZ, Tue., Feb. 4, at 6 pm
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 […]
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.