Planetary Defense

science-astronomy

Apophis will make a close Earth approach in 2029, passing inside the orbit of geosynchronous satellites and becoming bright enough for naked-eye viewing. This evergreen explaine...

science-technology

Asteroid 2029 Apophis—also known by its provisional designation 2004 MJ20 and cataloged as 99942 Apophis—is a near-Earth asteroid roughly 350 meters across, named after the...

science-astronomy

Apophis, a near-Earth asteroid roughly 340 meters in diameter, is one of the best-studied objects outside Earth’s atmosphere. Named after the ancient Egyptian chaos deity, Apo...

Science

The phrase 2029 meteor commonly refers to the close approach of near-Earth asteroid 99942 Apophis in 2029. Apophis will pass within about 32,000 kilometers of Earth on 13 April...

Science

An asteroid hit in 2029 is not expected based on current calculations. This overview explains how scientists track near-Earth objects, defines impact risk terms, and details the...

Science

Apophis, named after the ancient Egyptian chaos serpent Apep, is a near-Earth asteroid roughly 340 meters in diameter that has drawn public attention because of close Earth appr...

Science

A bright fireball and subsequent sonic reports over Houston drew widespread attention, reflecting public interest in near‑Earth phenomena and planetary defense. This evergreen...

Technology

A Quasi Moon 2025 refers to a small near-Earth asteroid that temporarily becomes a secondary satellite of Earth, often called a mini-moon or temporary quasi-satellite. Unlike a...

Science

Will an asteroid hit Earth in 2032? No known asteroid poses a significant impact threat for 2032, but the question reflects public interest in impact risk and planetary defense....

Science

The Titan debris field refers to a population of natural and artificial fragments associated with Saturn's moon Titan. This includes dust grains, ice-rich particles, and human-m...