This week in The Space Review…
EML-1: the next logical destination
One potential destination for human spaceflight beyond Earth orbit is the Earth-Moon L-1 point. Ken Murphy discusses the various roles a human presence there could play in supporting space exploration and development.
The Grand Tour: Uranus
Twenty-five years ago today Voyager 2 made its closest approach to Uranus, becoming the first, and so far only, spacecraft to visit the seventh planet. Andrew LePage recounts the challenges of getting a spacecraft designed primarily for Jupiter and Saturn to continue the exploration of the outer solar system.
Fly me to the stars
Given the near-term challenges of just getting beyond Earth orbit, does it make sense to think about how to travel to other stars? Lou Friedman explains the benefits of long-term planning for interstellar missions, as DARPA and NASA are currently exploring.
Sub-scale and classified: the top secret CIA model of a Soviet launch pad
During the race to the Moon in the 1960s, the CIA built models of the Soviet N-1 launch pad to help them better understand the launch site infrastructure. Dwayne Day describes the discovery of one of those vintage models in an unexpected location.
Review: The Four Percent Universe
Discoveries in recent years have revolutionized the field of cosmology, indicating that ordinary matter makes up on a small fraction of the universe. Jeff Foust reviews a book that examines the search for dark matter and dark energy.