NASA will host a briefing at 1 p.m. EST Thursday, Jan. 4, about the agency’s upcoming science mission to explore where Earth’s atmosphere meets space. The live event will air on NASA Television and stream on the agency’s website and Facebook Live. The Global-scale Observations of the Limb and Disk (GOLD) mission is an instrument NASA will host a briefing at 1 p.m. EST Thursday, Jan. 4, about the agency’s upcoming science mission to explore where Earth’s atmosphere meets space. The live event will air on NASA Television and stream on the agency’s website and Facebook Live. The Global-scale Observations of the Limb and Disk (GOLD) mission is an instrument