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  2. Astronomical filter - Wikipedia

    en.wikipedia.org/wiki/Astronomical_filter

    These glass filters can crack unexpectedly from overheating when the telescope is pointed at the Sun, and retinal damage can occur faster than the observer can move the eye from the eyepiece." [ 3 ] Solar filters are used to safely observe and photograph the Sun , which despite being white, may appear as a yellow-orange disk.

  3. Don't have eclipse glasses? How to view the eclipse safely ...

    www.aol.com/news/see-solar-eclipse-safely-doctor...

    How to see the solar eclipse safely. ... meaning the sun is completely blocked by the moon, ... Stand with your back to the sun so you can see the shadow of your head and shoulders. Put the other ...

  4. Inuit astronomy - Wikipedia

    en.wikipedia.org/wiki/Inuit_astronomy

    Starting at approximately the end of November to mid-January, at around the 69th parallel north, the Inuit never see the sun. During this time, though dark, the sky is often obscured by weather conditions like blowing snow or cloud cover. Then, for 10 weeks beginning in mid-May, the sun never sets. This also means that in the spring, summer ...

  5. Sungazing - Wikipedia

    en.wikipedia.org/wiki/Sungazing

    Sungazing is the unsafe practice of looking directly at the Sun.It is sometimes done as part of a spiritual or religious practice, most often near dawn or dusk. [1] The human eye is very sensitive, and exposure to direct sunlight can lead to solar retinopathy, pterygium, [2] cataracts, [3] and potentially blindness.

  6. Look (safely) at the Sun's surface in the highest-resolution ...

    www.aol.com/look-safely-suns-surface-highest...

    A European spacecraft is showing us how dynamic the Sun is with newly released images, the highest-resolution images of our star's surface so far. Look (safely) at the Sun's surface in the highest ...

  7. Solar telescope - Wikipedia

    en.wikipedia.org/wiki/Solar_telescope

    With a conventional telescope, an extremely dark filter at the opening of the primary tube is used to reduce the light of the Sun to tolerable levels. Since the full available spectrum is observed, this is known as "white-light" viewing, and the opening filter is called a "white-light filter".

  8. 50 Of The Most Fascinating, Stunning And Dangerous Natural ...

    www.aol.com/100-most-incredible-stunning-strange...

    The scientific name for the aforementioned northern lights is Aurora borealis and it happens when electrically charged particles from the sun collide with Earth’s atmosphere at speeds up to 45 ...

  9. Solar eclipse - Wikipedia

    en.wikipedia.org/wiki/Solar_eclipse

    A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby obscuring the view of the Sun from a small part of Earth, totally or partially.Such an alignment occurs approximately every six months, during the eclipse season in its new moon phase, when the Moon's orbital plane is closest to the plane of Earth's orbit. [1]