When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Twilight phenomenon - Wikipedia

    en.wikipedia.org/wiki/Twilight_phenomenon

    Twilight phenomenon (seen from the Louisiana-24 Long Range Tracking Telescope site in northern Santa Barbara county) lights up the night sky over Vandenberg Air Force Base following the launch of a Minuteman III missile September 19, 2002 (Official USAF Photo by Dennis Fisher, 30th Communications Squadron) Twilight phenomenon caused by freezing unspent fuel from a Minotaur I launch at ...

  3. The sun is at its 11-year maximum. That means another ... - AOL

    www.aol.com/sun-11-maximum-means-another...

    The sun emits the largest solar flare of this 11-year cycle, as imaged by NASA's Solar Dynamics Observatory on October 3. NASA/SDO NASA says the sun is in the highly active "maximum phase" of its ...

  4. Crepuscular rays - Wikipedia

    en.wikipedia.org/wiki/Crepuscular_rays

    Crepuscular rays usually appear orange because the path through the atmosphere at dawn and dusk passes through up to 40 times as much air as rays from a high Sun at noon. Particles in the air scatter short-wavelength light (blue and green) through Rayleigh scattering much more strongly than longer-wavelength yellow and red light. Loosely, the ...

  5. Once-in-a-lifetime nova will appear in Earth's sky ... - AOL

    www.aol.com/news/once-lifetime-nova-appear...

    A rare nova explosion will soon be visible in the Earth’s nighttime sky, according to officials at NASA. The event, which could occur anytime between now and September, is creating a buzz within ...

  6. Sunbeam - Wikipedia

    en.wikipedia.org/wiki/Sunbeam

    Particles in the air scatter short wavelength light (blue and green) through Rayleigh scattering much more strongly than longer wavelength yellow and red light. Loosely, the term "crepuscular rays" is sometimes extended to the general phenomenon of rays of sunlight that appear to converge at a point in the sky, irrespective of time of day.

  7. Explosive star event will create once-in-a-lifetime sight in ...

    www.aol.com/stellar-explosion-create-star-night...

    Keeping an eye on the changing sky T Coronae Borealis last experienced an explosive outburst in 1946, and astronomers are keeping a watchful eye on the star system once more.

  8. Afterglow - Wikipedia

    en.wikipedia.org/wiki/Afterglow

    Afterglow with its bright segment and purple light above, interrupted by crepuscular rays. An afterglow in meteorology consists of several atmospheric optical phenomena, with a general definition as a broad arch of whitish or pinkish sunlight in the twilight sky, consisting of the bright segment and the purple light.

  9. ‘Once-in-a-lifetime’ explosion will bring a new star to the ...

    www.aol.com/news/once-lifetime-explosion-bring...

    Astronomers are expecting a “new star” to appear in the night sky anytime between now and September in a celestial event that has been years in the making, according to NASA.