Ed Landing

41亿年前，终于5.21亿年前。它又再被细分为两个時期：幸運期以及寒武纪第二期。纽芬兰世在2007年首次被人提出。 Landing, Ed; Peng, Shanchi; Babcock, Loren; Geyer, Gerd; Moczydlowska-Vidal, Malgorzata

McSween, H.Y. (2007). Mars: Landing site Geology Mineralogy and Geochemistry, in Encyclopedia of the Solar System, 2nd ed., McFadden, L.-A. et al. Eds

launch, barge landing. CBS News. 2014-12-16 [2014-12-23]. （原始内容存档于2019-12-18）. A 300-foot-long barge will be used as an off-shore landing platform during

1990. ISBN 0-8061-2220-X. OCLC 263150623.  Timmen, Fritz. Blow for the Landing. Atglen, Pennsylvania: Schiffer. 1973. OCLC 38286714.  U.S. Coast and Geodetic

Surface Journal, Post-landing Activities （页面存档备份，存于互联网档案馆）, commentary at 105:11:33 Hoffleit. The Bright Star Catalogue, 5th Revised Ed.. [2007-08-08]. （原始内容存档于2012-07-11）