On the Moon they would weigh only 200 N. The astronaut's mass is 120kg wherever they are. The weight of an object changes if the strength of gravity changes. Remember: a mass of 1 kg has a weight of about 10 N on Earth.
The droplets in the air may be breathed in by those nearby. Spread can also occur by touching the nose or mouth with droplet contaminated hands. Examples of droplet spread diseases: 1  common cold. 2  flu. 3  meningococcal disease. 4  rubella.
Hepatitis C: Causes, Symptoms and Treatments. Hepatitis C is a contagious liver disease caused by a virus. It is the most common blood-borne disease in the United States, and most people who have it do not know it. Hepatitis C is spread by blood-to-blood contact, primarily through injectable drug use. There are immunizations against hepatitis A and B, but not for C. In order to prevent becoming infected with the hepatitis C virus it is necessary to prevent exposure.