A meteoroid that survives its passage through the Earth's atmosphere and reaches the ground is known as what?

A meteoroid that survives its passage through the Earth's atmosphere and successfully lands on the ground is referred to as a meteorite. This term specifically describes the fragment that has endured the intense heat and pressure of atmospheric entry, allowing it to maintain its structure and composition as it reaches the Earth's surface.

Understanding the terminology in this context is important. A meteoroid is the term used for a small rock or particle in space before it enters the Earth’s atmosphere. Upon entering the atmosphere, it generates a bright streak known as a meteor. If it survives this process and lands, it is classified as a meteorite.

The other options presented do not accurately reflect the correct terminology. The term "ultra-meteor" is not used in astronomical contexts. "Meteormite" seems to be a misnomer and is not recognized in scientific literature. Lastly, a comet is not related to meteoroids; it is a separate celestial object primarily composed of ice and dust that, when near the Sun, can develop a glowing coma and a tail. Understanding these distinctions is crucial for grasping the terminology used in astronomy.