Satellites Monitoring Air Health Posted on 06/09/2019 by Cosc One of the ways astronomers learn about planets beyond Earth is by studying our own. And there are satellites doing just that, monitoring the Earth’s health, and our own. VOA’s Kevin Enochs reports. … Click to share on Telegram (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on X (Opens in new window)