= The Next Space Age =
== 2008 ed. Christopher Mari BVT 629.4011 NEX ==
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Reprinted magazine and newspaper articles, 2003 to 2008

Dated, many of the programs described delayed or cancelled.

=== Orion ===
 .p10 [[https://en.wikipedia.org/wiki/Orion_(spacecraft) | Orion ]] heat shield is PICA, phenolic impregnated carbon ablator, a matrix of carbon fibers embedded in a phenolic resin.  Outer surface burns off and carries off heat, charred remainder is heat resistant.  Used for 13km/s re-entry of Stardust spacecraft in 2006.  Segmented.
 . not true, will use [[ https://www.nasa.gov/centers/ames/news/releases/2009/09-39AR.html | Textron Avcoat ]] like Apollo
 .p11 Orion uses parachutes, jettisons heat shield, may land with airbags after 8m/s descent.
  . hmm - a = v²/2d, wag d=1 meter, a = 32 m/s² or 2 gees.
  .   Not true anymore.  Wikipedia sez 2023 crew launch, maybe.  Water landings only.
 .p14 Orion: small team at Lockheed Martin (1600), NASA (600) , what did Apollo (400,000) do?
 .p15 CM+SM+Escape < 50,250 pounds approx 23 tonnes (now 25,848 kg, 56,985 lb)
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 .p21 Shackleton Crater south pole, 80% sunlight over year
 .p22 regolith compacted digging difficult, abrades bearings
 .p23 Heat surface with microwaves, glass and metallic iron, 50W/cm³ to 1700C in 10 seconds
  . 1990s, Lawrence Taylor U. Tenn., 1 centimeter deep (thermal conductivity?) 5 MJ/m²
 .p24 Larry Clark Lockheed Martin - oxygen from regolith iron oxides, 1300 to 1500℉
 .p104 Phoenix lander, Mars north pole finds ice June 2008
 .p119 Deep Space Network, 5e-5 m/s velocity and 3 m range
 .p119 Cassini camera three microradians
 .p122 RTG Pu238 halflife 88y, April 2001 Pioneer 10 1e-21 watt (per what?)
 .p126 acceleration anomaly (since solved, heat reflections off antenna)
 .p135 exoplanets ... really old stuff, pre-Kepler