3.1K views · 141 reactions | LIVE: Rocket Lab launches second batch of a NASA spacecraft constellation Rocket Lab launches second batch of a NASA spacecraft constellation known as TROPICS (Time-Resolved Observations of Precipitation structure and storm Intensity with a Constellation of Smallsats) from Mahia, New Zealand. #Reuters #live #news #topstories #topnews #NASA #TROPICS #space | Reuters | Facebook