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Mercury was heavily bombarded by comets and asteroids during and shortly following its formation 4.6 billion years ago, as well as during a possibly separate subsequent episode called the Late Heavy Bombardment that ended 3.8 billion years ago. [56] Mercury received impacts over its entire surface during this period of intense crater formation ...
Mercury-Redstone 3, or Freedom 7, was the first United States human spaceflight, on May 5, 1961, piloted by astronaut Alan Shepard. It was the first crewed flight of Project Mercury . The project had the ultimate objective of putting an astronaut into orbit around the Earth and returning him safely.
MESSENGER was a NASA robotic space probe that orbited the planet Mercury between 2011 and 2015, studying Mercury's chemical composition, geology, and magnetic field. [9] [10] The name is a backronym for Mercury Surface, Space Environment, Geochemistry, and Ranging, and a reference to the messenger god Mercury from Roman mythology.
BSc meteorologist Janice Davila tells Bored Panda that one of the most unknown facts from her field of expertise is that weather radars are slightly tilted upward in a half-degree (1/2°) angle.
Image credits: tyrion2024 The story of Masabumi Hosoto, the only Japanese Titanic survivor, is a fascinating one. Interestingly, Japan didn't celebrate his survival, as the local media condemned ...
MESSENGER · Mercury Photograph of Mercury from MESSENGER's first flyby of the planet, showing many previously unknown features. MESSENGER (Mercury Surface, Space Environment, Geochemistry, and Ranging) was a NASA orbital probe of Mercury. It was launched from Cape Canaveral on August 3, 2004, after a one-day delay due to bad weather.
Rembrandt is a large impact crater on Mercury. [1] With a diameter of 716 km it is the second-largest impact basin on the planet, after Caloris, [2] and is one of the larger craters in the Solar System. It was discovered by MESSENGER during its second flyby of Mercury on October 6, 2008. [1]
Mercury-Atlas 8 (MA-8) was the fifth United States crewed space mission, part of NASA's Mercury program. Astronaut Walter M. Schirra Jr. , orbited the Earth six times in the Sigma 7 spacecraft on October 3, 1962, in a nine-hour flight focused mainly on technical evaluation rather than on scientific experimentation.