Understanding the PCV Test in Medical Laboratories

NASA Jet Propulsion Laboratory on Instagram: "Interstellar comet update ☄️ NASA’s fleet of spacecraft has been working to collect as much information as possible on 3I/ATLAS, only the third object ever confirmed to have come from outside our solar system. Comet 3I/ATLAS is making a grand tour, passing at high speed inside the orbits of Mars and Jupiter then zooming away, never to return. The comet’s track offers a rare opportunity for observations and images to be taken by multiple NASA spacecra