Definition: Describing a planet or object that has characteristics similar to those of Earth.

Example: Scientists are searching for earthlike planets that could support life.

Definition: The view of the Earth appearing to rise above the horizon, as seen from the Moon.

Example: The astronauts captured a stunning photograph of the earthrise during their mission.

Definition: The light that comes from the sun and reflects off the Earth, illuminating the dark side of the moon.

Example: During the lunar eclipse, we could see the earthshine on the moon's surface.

Definition: A situation where one celestial body moves in front of another, blocking its light, or a time when something becomes less important or popular.

Example: The solar eclipse attracted many viewers who wanted to see the moon cover the sun.

Definition: To make something less important or less visible, often by overshadowing it or blocking it out.

Example: The new technology may eclipse the older models in popularity.

Definition: A device that interrupts or blocks light, often used in lighthouses to signal or guide ships.

Example: The eclipser in the lighthouse helped sailors navigate safely at night.

Definition: Relating to the path that the sun appears to follow across the sky throughout the year.

Example: The ecliptic is an important concept in astronomy for understanding the movement of celestial bodies.

Definition: The path that the sun appears to follow in the sky over the course of a year, which is also the plane of the Earth's orbit around the sun.

Example: The ecliptic is an important concept in astronomy for understanding the seasons and the positions of celestial bodies.

Definition: Relating to the highest heaven or celestial sphere in ancient beliefs, often associated with the divine or the sky.

Example: The artist painted an empyrean landscape filled with bright stars and ethereal light.

Definition: A place in the highest part of heaven, often thought of as a paradise or the dwelling of God and angels.

Example: In many ancient texts, the empyrean is described as a realm of pure light and fire.

Definition: A planet that orbits a star outside of our solar system.

Example: Astronomers have discovered several new exoplanets in recent years.

Definition: The outermost layer of the atmosphere surrounding the Earth or another planet, where the air is very thin and merges into space.

Example: The satellites orbit in the exosphere, far above the clouds and weather.

Definition: Relating to the outermost layer of a planet's atmosphere, where the atmosphere gradually fades into space.

Example: The satellite operates in the exospheric region of the Earth's atmosphere.