How long it would take to get to Neptune from Earth would depend on the path chosen and on where Neptune and Earth were in their orbits when the mission was launched. For example, the Voyager 2 spacecraft was launched on Aug 20, 1977 and it reached Neptune on Aug 24, 1989. So, Voyager 2 took about twelve years to reach Neptune. 1  Javascript must be enabled to use Cool Cosmos. 2  Learn how.
Most rashes caused by poison ivy, poison oak, or poison sumac are mild and last from five to 12 days. In severe cases, the rash can last for 30 days or longer. Immunotherapy is not available for allergies to poison ivy, poison oak, and poison sumac.
approximately 50 % of persons who contact poison ivy will develop symptoms the symptoms vary in severity from person to person the plant oil can begin to penetrate the skin within 5 10 minutes of contact poison ivy rash can appear in as little as 4 hours or as long as 2 3 weeks after exposure generally the first blisters appear within 1 14 days symptoms include red swollen itchy skin with a rash that can be widespread depending on contact areas