After decades of speculation and fruitless searches by observers, the lunar atmosphere was
first observed by Apollo surface and orbital instruments beginning in 1971. With the end of …

As the search for Earth-like exoplanets gathers pace, in order to understand them, we need
comprehensive theories for how planetary atmospheres form and evolve. Written by two well …

This handbook of Shock-Metamorphic Effects in Terrestrial Meteorite Impact Structures
emphasizes terrestrial impact structures, field geology, and particularly the recognition and …

The orbital and absolute magnitude distribution of the near-Earth objects (NEOs) is difficult
to compute, partly because only a modest fraction of the entire NEO population has been …

We have developed a Web‐based program for quickly estimating the regional
environmental consequences of a comet or asteroid impact on Earth (http: www. lpl. arizona …

A review of observations and theories regarding binary asteroids and binary trans-
Neptunian objects [collectively, binary minor planets (BMPs)] is presented. To date, these …

The main belt is believed to have originally contained an Earth mass or more of material,
enough to allow the asteroids to accrete on relatively short timescales. The present-day …

The Cosmic Shoreline: The Evidence that Escape Determines which Planets Have Atmospheres,
and what this May Mean for Proxima Centauri B - IOPscience This site uses cookies. By …

The possibility and probability of natural transfer of viable microbes from Mars to Earth and
Earth to Mars traveling in meteoroids during the first 0.5 Ga and the following 4 Ga are …

We provide a unified discussion of the Yarkovsky effect in both the original,“diurnal” variant
and also for the “seasonal” variant which has been recently shown by Rubincam (1995) to …