Phys.org

Measuring titanium in Apollo rock to uncover moon's early chemistry

Earth and the moon may look very different today, but they formed under similar conditions in space. In fact, a dominant hypothesis says that the early Earth was hit by a Mars-sized object, and it was this giant impact that spun off material to form the moon.
The Conversation

New study measures titanium in Apollo rock to uncover Moon’s early chemistry

The Earth and the Moon may look very different today, but they formed under similar conditions in space. In fact, a dominant hypothesis says that the early Earth was hit by a Mars-sized object, and it was this giant impact that spun off material to form ...