What type of mountain is formed by the folding and uplift of rock layers along tectonic plate boundaries?

What type of celestial object is a rapidly rotating neutron star that emits beams of radiation, observed as periodic pulses?

Which layer of the Earth's atmosphere is closest to space and where meteors burn up upon entry?

Which space telescope has provided stunning images and valuable data about the universe since its launch in 1990?

What is the term for the zone of the ocean where light cannot penetrate, and temperatures are low and pressure is high?

In the human reproductive system, where does fertilization typically occur?

Which layer of the Earth's atmosphere is responsible for protecting life on Earth by absorbing harmful ultraviolet (UV) radiation from the Sun?

What is the name of the phenomenon where a small fraction of sunlight is redirected by Earth's atmosphere, causing the sky to appear blue?

Which type of cloud is often associated with thunderstorms and severe weather?

What is the term for the process by which rocks are transported and deposited by wind, water, or ice?