![]() You can combine these into simple commands by using bash (or whichever shell you prefer) functions. If you need greater precision, you can use this to give you nanoseconds: while true do printf '%s\r' "$(date +%H:%M:%S:%N)" doneįinally, if you really, really want "stopwatch format", where everything starts at 0 and starts growing, you could do something like this: start=$(date +%s)įor a countdown timer (which is not what your original question asked for) you could do this (change seconds accordingly): seconds=20 That will show you the seconds passing in realtime and you can stop it with Ctrl+ C. If all you want is a stopwatch, you can do this: while true do printf '%s\r' "$(date)" done Then in 2044, a total solar eclipse will cross Montana, North Dakota, South Dakota, parts of Canada and Greenland.I'm not sure why you need beep. The next total solar eclipse visible from North America will be in 2033, but only over Alaska. In 2027, a total solar eclipse will be visible in Spain and a swath of northern Africa. The next total solar eclipse will be in 2026, but it will mostly pass over the Arctic Ocean, with some visibility in Greenland, Iceland, Portugal and northern Spain. “But if you know to look, it’s there.” When is the next solar eclipse? “Most people won’t even notice,” Tyson said. ![]() Most likely, all eyes will be on the alignment of the moon and sun. During the eclipse, when skies darken during totality, it may be possible to see the comet near Jupiter, but its visibility will depend on whether it’s in the middle of an outburst and thus brighter than normal. The comet can be seen in the early evenings by gazing toward the west-northwest horizon. What to look for while viewing the total solar eclipseįor people along the path of totality, there are some fun milestones to keep track of as the total solar eclipse unfolds.Ĭomet 12P/Pons-Brooks - nicknamed the “ devil comet” because an eruption last year left it with two distinct trails of gas and ice in the shape of devil horns - is currently visible from the Northern Hemisphere as it swings through the inner solar system. Adjusting how far you hold the projector from the second piece of paper will alter the size of the image on the makeshift screen. Tape aluminum foil over that cut-out shape, then use a pin or thumbtack to poke a tiny hole in the foil.ĭuring the eclipse, place a second piece of white paper or cardboard on the ground as a screen and hold the projector with the foil facing up and your back to the sun. Cut a 1- to 2-inch square or rectangle out of the center of a piece of white paper or cardboard. If you don’t have eclipse glasses, you can make a homemade pinhole projector, which lets sunlight in through a small hole, focuses it and projects it onto a piece of paper, wall or other surface to create an image of the sun that is safe to look at.Īll you need is two pieces of white cardboard or plain white paper, aluminum foil and a pin or thumbtack. Check, as well, for the ISO logo and the code “IS 12312-2” printed on the inside. The manufacturer’s name and address should be clearly labeled, and they should not be torn or punctured. ![]() On legitimate pairs, the lenses should have a silver appearance on the front and be black on the inside.
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