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Explore 10 published pages tagged with Planetary Defense, grouped automatically from article text, entity focus, and recurring topical signals.
Tagged Articles
space policy
Space exploration yields long-term economic, scientific, technological, and societal returns that broadly outweigh its costs. Public investment in space programs expands knowled...
Open articleScience & Space
Will the Apophis asteroid hit Earth? Current calculations show Apophis poses no meaningful impact risk for at least the next several decades. Discovered in 2004, Apophis made cl...
Open articlespace
When an asteroid to fly by Earth makes headlines, it can feel distant or abstract. In clear terms, this phrase describes any near-Earth object that passes within the Moon’s or...
Open articlescience-and-space
When a small meteor hits Earth, most objects burn up harmlessly in the upper atmosphere, producing a bright fireball and sometimes sonic effects without reaching the ground. If...
Open articleScience & Space
A meteor crash occurs when a meteoroid survives its passage through Earth’s atmosphere and fragments or impacts the ground. When this happens, the event becomes a meteorite fa...
Open articlescience
The 911 Lone Star asteroid, or 911 Lone Star, is a near-Earth asteroid monitored by planetary defense networks for potential future close approaches to Earth. As an object of on...
Open articleplanetary-defense
Apophis (officially 99942 Apophis) is a near-Earth asteroid whose close approach in 2029 made it one of the most studied objects in planetary defense. Roughly 340 meters in diam...
Open articleasteroid-sci
On 6 April 2029, asteroid Apophis will pass within about 31,600 km of Earth, well inside the orbit of many geosynchronous satellites. For observers across Europe, Africa, Asia,...
Open articlescience
On any given day, NASA meteor programs track hundreds of extraterrestrial fragments entering Earth’s atmosphere, yet the likelihood of a damaging impact in your lifetime remai...
Open articleplanet-and-space
NASA tracks thousands of near-Earth objects to assess potential future impact risks, and 2032 has appeared in monitoring lists as a year of interest. This overview explains what...
Open article