Heavily cratered surfaces on the Moon, Mars, and Mercury show that the terrestrial planets
were battered by an intense bombardment during their first billion years or more, but the …

Abstract Data obtained from Sm‐Nd and Rb‐Sr isotopic measurements of lunar highlands'
samples are renormalized to common standard values and then used to define ages with a …

Objective To assess the association between cardiorespiratory fitness (CRF) and outcomes
in a cardiac rehabilitation (CR) cohort. Patients and Methods We conducted a retrospective …

Just as the use of new tools revolutionized lunar science in 1610 (Galileo's telescope), 1840
(photography), and 1960s–1970s and 1990s (over 45 robotic and human missions to the …

If properly interpreted, the impact record of the Moon, Earth's nearest neighbour, can be
used to gain insights into how the Earth has been influenced by impacting events since its …

Meteorites are a remarkable resource. They capture the imagination of people worldwide
with their spectacular entry through Earth's atmosphere as fireballs, and their exotic …

The Moon is the only planetary body other than the Earth for which samples have been
collected in situ by humans and robotic missions and returned to Earth. Scientific …

Lunar meteorites are fragments of consolidated rock that were ejected from the Moon when
it was struck by an impacting asteroid or comet, entered an Earth-crossing orbit, and …

Precise crystallisation ages have been determined for a range of Apollo basalts from Pb-Pb
isochrons generated using Secondary Ion Mass Spectrometry (SIMS) analyses of multiple …

Earth formed in a series of giant impacts, and the last one made the Moon. This idea, an
edifice of post-Apollo science, can explain the Moon's globally melted silicate composition …