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The Solar Dynamics Observatory (SDO) is a NASA mission which has been observing the Sun since 2010. Launched on February 11, 2010, the observatory is part of the Living With a Star (LWS) program. The goal of the LWS program is to develop the scientific understanding necessary to effectively address those aspects of the connected Sun–Earth system directly affecting life and society...

A POTD is an acronym for "Photo of the Day", "Picture of the Day", "Post of the Day" or "Poll of the Day". It is a term most commonly used by online digital photography communities as an honor to outstanding photos that are selected daily from among that community's membership. They can either be tagged as POTD or displayed in a special page on that site...

Rolls-Royce Motor Cars Limited engineers, manufactures and distributes luxury automobiles and automobile parts worldwide. Rolls-Royce Motor Cars Limited is a wholly owned subsidiary of BMW AG established in 1998 after BMW was licensed the rights to the Rolls-Royce brand name and logo from Rolls-Royce PLC and acquired the rights to the Spirit of Ecstasy and Rolls-Royce grill shape trademarks from Volkswagen AG...

A military aircraft is any fixed-wing or rotary-wing aircraft that is operated by a legal or insurrectionary armed service of any type. Military aircraft can be either combat or non-combat: • Combat aircraft are aircraft designed to destroy enemy equipment using their own armament. Combat aircraft are normally developed and procured only by military forces. • Non-combat aircraft are aircraft not designed for combat as their primary function, but may carry weapons for self-defense...