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This is a list of all spacecraft landings on other planets and bodies in the Solar System, including soft landings and both intended and unintended hard impacts.The list includes orbiters that were intentionally crashed, but not orbiters which later crashed in an unplanned manner due to orbital decay.
After repairing Zanak's engines, which were damaged when the planet materialised in the same place as the TARDIS, the Captain plans to take Zanak to Earth. The Doctor finds the true menace controlling the Captain is the ancient tyrant Queen Xanxia, disguised as the Captain's nurse, who uses the resources mined from planets in an attempt to gain ...
The Curta was conceived by Curt Herzstark in the 1930s in Vienna, Austria.By 1938, he had filed a key patent, covering his complemented stepped drum. [3] [4] This single drum replaced the multiple drums, typically around 10 or so, of contemporary calculators, and it enabled not only addition, but subtraction through nines complement math, essentially subtracting by adding.
Many TNOs are often just assumed to have Pluto's density of 2.0 g/cm 3, but it is just as likely that they have a comet-like density of only 0.5 g/cm 3. [ 4 ] For example, if a TNO is incorrectly assumed to have a mass of 3.59 × 10 20 kg based on a radius of 350 km with a density of 2 g/cm 3 but is later discovered to have a radius of only 175 ...
This is a list of space probes that have left Earth orbit (or were launched with that intention but failed), organized by their planned destination. It includes planetary probes, solar probes, and probes to asteroids and comets, but excludes lunar missions, which are listed separately at List of lunar probes and List of Apollo missions.
The Nibiru cataclysm is a supposed disastrous encounter between Earth and a large planetary object (either a collision or a near-miss) that certain groups believed would take place in the early 21st century.
The National Space Agency (Malay: Agensi Angkasa Negara), abbreviated ANGKASA, was the national space agency of Malaysia.It was established in 2002 and its charter aims to upgrade, stimulate and foster the country's space programme through integrated and coordinated efforts by developing and applying space technologies.
It is further estimated that 3% to 4.5% of Sun-like stars possess a giant planet with an orbital period of 100 days or less, where "giant planet" means a planet of at least 30 Earth masses. [5] It is known that small planets (of roughly Earth-like mass or slightly larger) are more common than giant planets. [6]