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.
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.
The star Spica will appear 3.6° south of the Moon at 23:23
Illustration of Vera Rubin from a series of illustrations for the International Day of Women and Girls in Science. Credit: BEATRIZ ARRIBAS DE FRUTOS. A significant gender gap has persisted […]
Br Guy Consolmagno, S.J. will give a talk on the history of Vatican Observatory and its activities today.
The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.
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 […]
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.
The Moon is at First quarter on this date -it will be visible high in the southern sky in early evening.
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 […]