<p>On June 19, 2004, at the Kitt Peak National Observatory in Tucson, Arizona, astronomers Roy Tucker, David Tholen, and Fabrizio Bernardi discovered Asteroid Apophis. This Near-Earth Object (NEO), approximately 1,099 to 1,230 feet (335 to 375 meters) wide, reached the highest ever rating of level 4 out of 10 on the Torino Impact Hazard Scale,<a class="more-link" href="https://www.astronomy.com/today-in-the-history-of-astronomy/june-19-2004-astroid-apophis-is-discovered/">Continue reading <span class="screen-reader-text">"June 19, 2004: Astroid Apophis is discovered"</span></a></p>
<p>The post <a href="https://www.astronomy.com/today-in-the-history-of-astronomy/june-19-2004-astroid-apophis-is-discovered/">June 19, 2004: Astroid Apophis is discovered</a> appeared first on <a href="https://www.astronomy.com">Astronomy Magazine</a>.</p>
On June 19, 2004, at the Kitt Peak National Observatory in Tucson, Arizona, astronomers Roy Tucker, David Tholen, and Fabrizio Bernardi discovered Asteroid Apophis. This Near-Earth Object (NEO), approximately 1,099 to 1,230 feet (335 to 375 meters) wide, reached the highest ever rating of level 4 out of 10 on the Torino Impact Hazard Scale,Continue reading “June 19, 2004: Astroid Apophis is discovered”
The post June 19, 2004: Astroid Apophis is discovered appeared first on Astronomy Magazine.