Space

The asteroid main belt lies between the orbits of Mars and Jupiter in a range of semimajor axis 2.0-4.0 AU. It consists of more than…
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The nature of many of the rocks and materials on the surface of Mars remains mysterious. Volcanism has played an important role in forming many…
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Determining the ages of planetary surfaces and events is no easy task. Surfaces are often layered in deposits from more recent activity. This fact is…
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The icy satellites of the outer solar system pose numerous puzzles, one of which is sometimes referred to as the Mimas-Enceladus paradox (e.g., Czechowski &…
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Photographs of the nucleus of comet 67P/Churyumov-Gerasimenko show its unexpected shape: two ellipsoidal blocks called the Head and Body, connected by a “neck.” On the…
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Molten rock (magma) is generated in planetary interiors and rises toward the surface, sometimes cooling and freezing before it gets to the surface (forming intrusions),…
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In the early stages of thermodynamics, researchers focused on the study of heat and work transfer. Thermal radiation, which is to be considered in various…
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Discovered by Galileo Galilei over 400 years ago and imaged by the Voyager 2 in 1979, Jupiter’s icy moon Europa has long been a source…
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Looking up at the Moon, you might notice it’s crisscrossed by bright streaks that originate from some of the younger craters that cover the surface….
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Investigating the birth of the Solar System is a bit like investigating the crime scene of a “cold case,” where the passage of time, here…
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The 23.4° tilt of the Earth’s rotation axis with respect to the ecliptic plane is the reason for our pronounced seasons on Earth. The ecliptic…
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