Year 561 (DLXI) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. The denomination 561 for this year...

NGC 561 is a barred spiral galaxy located in the constellation Andromeda. Its speed relative to the cosmic microwave background is 4,395 ± 20 km/s, which...

The year 561 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 193 Ab urbe condita. The denomination 561 BC for...

Quasar (also known as Twin QSO, Double Quasar, SBS 0957+561, TXS 0957+561, Q0957+561 or QSO 0957+561 A/B), was discovered in 1979 and was the first identified...

Marine Medium Tiltrotor Squadron 561 (VMM-561) was a medium-lift squadron of the United States Marine Corps flying the Bell-Boeing V-22 Osprey. Known as...

The INAS 561 is the Naval Helicopter Training School of the Indian Navy is currently based at INS Rajali, Arakkonam. "INAS 561 – Helicopter Training School"...

codes 561 and 728 are telephone area codes in the North American Numbering Plan (NANP) for Palm Beach County in the U.S. state of Florida. 561 was created...

TOI-561 is an old, metal-poor, Sun-like star, known to have multiple small planets. It is an orange dwarf, estimated to be 10.5 billion years old, and...

Maryland Route 561 (MD 561) is a state highway in the U.S. state of Maryland. Known as Hassengers Corner Road, the state highway runs 2.48 miles (3.99 km)...

The Arado E.561 was a proposed Heavy fighter design by Arado Flugzeugwerke, designed in 1937 and 1938. The craft contained a cigar-shaped fuselage with...