4 min read
What Makes Mercury and Venus Unique Planets?
By Robert Hazen, Ph.D., George Mason University A careful examination of the objects in the solar system provides convincing evidence of the unique
Tag : Professor Robert Hazen
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4 min read
Understanding the Distinctive Properties of the Solar System
By Robert Hazen, Ph.D., George Mason University Samples collected from space help to understand the properties of the solar system. The solar
3 min read
The Moon: The Story Behind Its Origin and Formation
By Robert Hazen, Ph.D., George Mason University In addition to the planets, there are many other objects that are bound to the Sun. For example,
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The Standard Model: Theory and Problems
By Robert Hazen, Ph.D., George Mason University In particle physics, there are six quarks, six leptons, six antiquarks, and six antileptons. Then
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The Solar System: Planets, Moons, Asteroids, and More
By Robert Hazen, Ph.D., George Mason University Our solar system is littered with planets, moons, comets, asteroids, and much more. It includes all
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The Nebular Hypothesis and Formation of the Solar System
By Robert Hazen, Ph.D., George Mason University The generally accepted model for the formation of the solar system is called the nebular
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Fundamental Particles of Matter
By Robert Hazen, Ph.D., George Mason University The structure of matter at its tiniest scale is much smaller than the atom. Atoms are composed of
1 min read
Fundamental Particles of Matter
By Robert Hazen, Ph.D., George Mason University The structure of matter at its tiniest scale is much smaller than the atom. Atoms are composed of
4 min read
Particle Physics and the Great Particle Accelerator
By Robert Hazen, Ph.D., George Mason University Let’s take a look at the great particle accelerators and daunting mathematical theories that are
1 min read
Particle Physics and the Great Particle Accelerator
By Robert Hazen, Ph.D., George Mason University Let’s take a look at the great particle accelerators and daunting mathematical theories that are
1 min read
The Two Great Mysteries: Dark Matter and Future of the Universe
By Robert Hazen, Ph.D., George Mason University Measurements of the redshift of galaxies reveal surprises that point to new mysteries in science.
1 min read
The Evidence for Origin of the Universe
By Robert Hazen, Ph.D., George Mason University Hubble’s remarkable discovery that all the distant galaxies are speeding away from us had
1 min read
Understanding the Nature of the Big Bang Theory
By Robert Hazen, Ph.D., George Mason University Observational evidence suggests that the universe began at an instant of time approximately 14
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How Vast Is the Observable Universe?
By Robert Hazen, Ph.D., George Mason University The past hundred years of astronomy have been characterized by an ever-expanding view of the
1 min read
Mapping the Distribution of Galaxies in the Universe
By Robert Hazen, Ph.D., George Mason University A major effort is underway to map the distribution of galaxies in three dimensions. This effort, of