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Numbering plan areas and area codes of Texas (tan). This is a list of area codes in the U.S. state of Texas. The date of establishment of each area code is indicated in parentheses: [1] 210: San Antonio area; overlays with 726 (November 1, 1992) 214: Dallas area, overlays with 469, 972, and 945 (October 1947)
On May 9, 2013, the Public Utility Commission of Texas (PUC) announced the addition of yet another code, 346, to the Houston overlay as of July 1, 2014. [1] This had the effect of allocating over 31 million telephone numbers to a service territory of eight million people. Exhaust projections of 2022 forecast that the Houston area will need a ...
In the summer of 2001, the Jet Propulsion Laboratory (JPL) requested mission concepts and proposals from industry-led teams (Boeing, Lockheed Martin, and TRW). [17] The science requirements included at least 500 grams (18 oz) of samples, rover mobility to obtain samples at least 1 kilometre (0.62 mi) from the landing spot, and drilling to obtain one sample from a depth of 2 metres (6 ft 7 in).
At the time, NASA Administrator Bill Nelson said independent reviews estimated the project would cost between $8 billion and $11 billion and that the samples may not return until 2040, which was ...
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The Soviet Union considered a Mars sample-return mission, Mars 5NM, in 1975 but it was cancelled due to the repeated failures of the N1 rocket that would have launched it. Another sample-return mission, Mars 5M (Mars-79), planned for 1979, was cancelled due to complexity and technical problems. [14]
The troubled Mars mission's final design won't be clear until 2026. ... Planetary scientists have identified Mars Sample Return as their field's highest priority in the last three decadal ...
The Sample Collection for Investigation of Mars (SCIM) is a mission concept for a Mars air and dust sample return. It was a semi-finalist at the Mars Scout Program along with four other missions in December 2002. [2] [3] The SCIM mission would be designed to skim through the Mars atmosphere without landing or entering orbit. [1]