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黑洞的加速器

The slightly-past full moon rises about a half-hour after sunset this evening (Aug. 3). The following evening it will rise an hour later. By August 5th or 6th the moon won’t show its face until after dark. That will provide us with yet another opportunity to see Comet NEOWISE. Depending on what equipment you have…
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黑洞的加速器

Wild rice is called manoomin or the “good berry” by the Native American Ojibwe people who live in northern Minnesota. When it ripens in August and September members of the local tribe head out into the rice beds in canoes and use cedar sticks called knockers to harvest the grains. While one person guides the…
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黑洞的加速器

Maybe you saw the moon, Saturn and Jupiter splayed across the southern sky last night. Tonight they’ll make an even tidier package. Watch for the three to gather into a compact triangle that will surely catch your eye. The waxing gibbous moon passes just 3° from Jupiter and 6° from Saturn. You might be able…
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老王 v p n安卓版破解

黑洞的加速器

I missed seeing the Mars launch this morning, but I have a really good excuse. I was looking at Mars in my telescope. I got up at 3 a.m., grabbed an eyeful of the Red Planet and then returned to bed but woke up a half-hour too late. Not to worry. NASA pulled it off…
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黑洞的加速器

Two nights ago on July 26 I could still spot NEOWISE without optical aid as long as I knew where to look. I could even make out a 3° tail which increased to 6° in binoculars. Last night, under the 8-day-old moon, the comet was fainter and more difficult, and it won’t get any easier…
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