The biggest and oldest of these scars is a monster crater, one of the largest, not just on the Moon, but in the entire Solar System. The South Pole-Aitken basin covers nearly a quarter of the Moon ...
After analyzing the sample, researchers found that the Moon’s oldest and deepest crater on its far side was volcanically active around 2.8 billion years ago. Another sample was even more ancient ...
some with central ‘pimples’, closely resembling lunar craters. In the present work, we have repeated this experiment (Fig. 1). We have also put a quantity of dry powder (sand, salt ...
ONE of the most important tasks in selenology is to establish the relative ages of different parts of the lunar crust. It may be argued that, during the lifetime of a crater, its floor would be ...
The full moon will slide in front of Mars Monday evening in a rare planetary occultation. Occultations are like eclipses but instead of the Sun, it's a planet or a much more distant star being blocked ...