Describes the physical aspects of Mars, including old and new theories. Discusses the proposed landing sites of Viking. (MLH)

Discusses various theories about life on Mars and biochemical experiments pertaining to the origin of life. (MLH)

Describes the rationale behind the construction of a private observatory by seven astronomers. Lists pertinent factors that should be considered in the creation of an observatory. (CP)

Reviews current theories concerning the physics of the sun. (SL)

The Big Bang Theory and alternatives to the Big Bang Theory as an explanation for the origin of the universe are discussed. The importance of the discovery of redshift, the percentage of hydrogen found in old stars, and the existence of a uniform sea of radiation are explained. (KR)

Discusses the Viking Mars project, including economic aspects, the schedule of planned experiments, and technical details of the landing vehicle and its intended missions. (MLH)

Observing the relationship of general relativity and the geometry of space-time, the author questions whether the rest of physics has geometrical explanations. As a partial answer he discusses current research on subatomic particles employing geometric transformations, and cites the existence of geometrical definitions of physical quantities such…

Cosmology is the theory by which the structure and history of the universe is described. Discusses the relationship between cosmology, gravity, and quantum mechanics, and whether the relationship can be formulated through Einstein's theory or a modification of it. Also discusses progress made in these scientific areas. (JN)

New findings about the planet, Saturn and its environs, as collected by Pioneer 11 are detailed. Topics discussed include: the composition of the planet's interior, the search for new satellites, and the planet's magnetic field. (BT)