👉 Micrometeorite is a small asteroid or other meteoroid that is less than 1/2 inch in diameter. It was discovered by astronomer James Bradley at Mount Wilson in California, USA on July 7, 1930. The discovery was made using the telescope of Arthur Houghton and Alfred Whitehead, who were studying stars near the Sun. Micrometeorites are small enough to be picked up by telescopes or microscopes. They can cause damage to spacecraft
