Content for Thursday, February 11, 1993
News & Stories
This cover story has not yet been posted. However, you can download the digital edition to view any story from this issue.
Steadily increasing light pollution around Southern California’s mountain and desert areas is making Venus-shadow observations more challenging.
The cloud-mantled planet Venus reflects 76 percent of the sunlight falling on it. Less than one-billionth of the light that bounces away is intercepted by Earth. Most strikes Earth’s day side, but some falls on ...