<p>Friday, September 18First Quarter Moon occurs at 4:44 P.M. EDT. The Moon then reaches apogee, the farthest point from Earth in its orbit, at 11 P.M. EDT. At that time, our satellite will be 251,171 miles (404,221 kilometers) away.  Venus reaches greatest brilliancy at 9 P.M. EDT, shining at magnitude –4.8. It’s bright and easy<a class="more-link" href="https://www.astronomy.com/the-sky-this-week/the-sky-this-week-from-september-18-to-25-2026/">Continue reading <span class="screen-reader-text">"The Sky This Week from September 18 to 25: Autumn begins"</span></a></p> <p>The post <a href="https://www.astronomy.com/the-sky-this-week/the-sky-this-week-from-september-18-to-25-2026/">The Sky This Week from September 18 to 25: Autumn begins</a> appeared first on <a href="https://www.astronomy.com">Astronomy Magazine</a>.</p>

Friday, September 18First Quarter Moon occurs at 4:44 P.M. EDT. The Moon then reaches apogee, the farthest point from Earth in its orbit, at 11 P.M. EDT. At that time, our satellite will be 251,171 miles (404,221 kilometers) away.  Venus reaches greatest brilliancy at 9 P.M. EDT, shining at magnitude –4.8. It’s bright and easyContinue reading “The Sky This Week from September 18 to 25: Autumn begins”

The post The Sky This Week from September 18 to 25: Autumn begins appeared first on Astronomy Magazine.