Examlex
Why are star clusters helpful for testing our ideas of stellar structure and evolution?
Ridge
A long, narrow elevated landform often formed by the uplift of the surrounding area or by tectonic activities.
Plucking
A glacial process where rocks and other materials are pulled away from the earth and incorporated into the moving glacier, mainly due to the freezing of water into cracks.
Abrasion
The mechanical scraping of a rock surface by friction between rocks and moving particles during their transport by wind, glacier, waves, gravity, or running water.
Snowflakes
Ice crystals that form in clouds when water vapor freezes, creating unique patterns that fall to the ground as snow.
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