In principle, they could see our planet as it was at that time, too.īut, one huge caveat. The finite speed of light has the exact same effect in the other direction: If there are intelligent aliens in this galaxy, when they look at the Milky Way, they are seeing our galaxy as it was at the time of the dinosaurs. Which brings me to galaxy NGC 4845. It is located 65 million light years away, meaning that we are seeing it as it was 65 million years ago, right around the time the T. We are therefore seeing the Andromeda Galaxy as it was at a time long before modern humans existed! The closest human relatives alive at the time were members of the genus Australopithecus. The light from it that we see right now is 2.5 million years old. The Andromeda Galaxy is the most distant object readily visible to the naked eye. When you look at Dubhe, the front star in the “bowl” of the Dipper, you are seeing light from before you were born. The stars of the Big Dipper range from 60 to 125 light years away. Put another way: When you look at Sirius tonight, you see it as it was 8.6 years ago.Īs you look at more distant objects, the effect becomes bigger and bigger. That means the light hitting your eye tonight has been traveling for 8.6 years. The bright star Sirius is 8.6 light years away. Because of the finite speed of light, when you gaze up into the night sky, you are looking into the past. Do not leave the person alone in a car.This question raises the fascinating issue of look-back times.Store items that may trigger a person’s instinct to leave, such as coats, hats, pocketbooks, keys and wallets.Label all doors with signs or symbols to explain the purpose of each room.Create indoor and outdoor common areas that can be safely explored.Monitor noise levels to help reduce excessive stimulation.Use safety gates or brightly colored netting to prevent access to stairs or the outdoors.Put hedges or a fence around the patio, yard or other outside common areas.Place a pressure-sensitive mat in front of the door or at the person's bedside to alert you to movement.
#My eyes wander towards the stars in french install
The person may forget that he or she can no longer drive. If the person is no longer driving, remove access to car keys - a person living with dementia may not just wander by foot.If the person is still safely able to drive, consider using a GPS device to help if they get lost.Reassure the person if he or she feels lost, abandoned or disoriented.Involve the person in daily activities, such as folding laundry or preparing dinner.Consider reducing – but not eliminating – liquids up to two hours before bedtime so the person doesn’t have to use and find the bathroom during the night. Ensure all basic needs are met, including toileting, nutrition and hydration.Identify the time of day the person is most likely to wander (for those who experience “ sundowning,” this may be starting in the early evening.) Plan things to do during this time - activities and exercise may help reduce anxiety, agitation and restlessness.Provide opportunities for the person to engage in structured, meaningful activities throughout the day.The following tips may help reduce the risk of wandering and can bring peace of mind to caregivers and family members however, these actions cannot guarantee that a person living with dementia won’t wander.
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