Yahoo Web Search

Search results

1. astronomy.stackexchange.com › questions › 10295How do you calculate the lookback time distance to a given ...

   astronomy.stackexchange.com › questions › 10295

   Jan 17, 2023 · Lookback time, T, and distance, D, can be calculated from the object’s redshift, z, and cosmological parameters. Lookback time, or (less appropriately) light travel time, answers the following similar questions:

2. Videos

   • 

     1:36

     youtube.com

     Why Sun Appears Red During Sunrise and Sunset

     30 Mar 2020

     234.2K views

   • 

     1:00

     tiktok.com

     The Sun's Evolution into a Red Giant: What You Need to Know

     29 Oct 2023

     9.2M views

   • 

     0:12

     youtube.com

     Earth's Rotation Animation

     1 Aug 2013

     348.1K views

   View all

3. lco.global › cosmology › distance-and-lookback-timeDistance and Lookback Time - Las Cumbres Observatory

   lco.global › cosmology › distance-and-lookback-time

   • Cached

   Distance and Lookback Time. The expansion of the universe makes measuring the distance to distant objects complicated. Rather than using distance units, astronomers measure the redshift (z) of distant objects such as galaxies. z corresponds to the number of years the light from an object has traveled to reach us.

4. science.nasa.gov › mission › hubbleTime Travel: Observing Cosmic History - NASA Science

   science.nasa.gov › mission › hubble

   • Cached

   Traveling Back in Time: 4 years. Aside from our Sun, the next closest star to us is named Proxima Centauri. It’s about four light-years away, which makes it a close neighbor on a universal scale. But even with Hubble’s sharp, powerful vision, Proxima Centauri remains a point-like object – demonstrating our universe’s unfathomably large size.

5. www.timeanddate.com › astronomy › red-sunsetWhy Does the Sky Turn Red at Sunrise and Sunset?

   www.timeanddate.com › astronomy › red-sunset

   • Cached

   Why Does the Sky Turn Red at Sunrise and Sunset? By Aparna Kher. An orange or red Sun in the early morning or late evening is a sight to behold. The sky takes on these vivid hues due to a phenomenon called Rayleigh scattering.

6. www.cinemaretro.com › indexOUT OF THE PAST: "RED SUN" (1971): AN ... - Cinema Retro

   www.cinemaretro.com › index

   • Cached

   Mar 4, 2021 · Released in 1971, ‘Red Sun’ is an enthralling Western starring Charles Bronson, Toshiro Mifune, Alain Delon and Ursula Andress. Bronson and Delon lead a group of bandits to rob a train, but get more than they bargained for as they discover the train is transporting a Japanese delegation featuring Mifune, who is guarding a priceless ...

7. travelingboy.com › travel › red-sun-a-look-backRed Sun — A Look Back - Traveling Boy

   travelingboy.com › travel › red-sun-a-look-back

   • Cached

   Red Sun (National General) puts him back on familiar ground — an amiable, bloated Western you would probably not hate yourself in the morning for seeing. The plot doesn’t bend over backwards to be credible, but any excuse for fitting Toshiro Mifune into a Western is a good one.

8. People also ask

   What makes Red Sky sunrises and sunsets so special?

   • What often makes red sky sunrises and sunsets even more spectacular is the position of the Sun in the sky, relative to cloud. When the Sun is low on the horizon, rays of light shine back up onto the underside of cloud high in the sky, reflecting back those bright orange and red colours that make it look as if the sky has turned to fire.

   Here's The Science Behind The Magical Colours of Sunsets And Sunrises

   www.sciencealert.com/what-makes-the-colours-in-those-beautiful-sunrises-and-sunsets

   See all results for this question

   When was Red Sun released?

   • OUT OF THE PAST: "RED SUN" (1971): ... Released in 1971, ‘Red Sun’ is an enthralling Western starring Charles Bronson, Toshiro Mifune, Alain Delon and Ursula Andress.

   OUT OF THE PAST: "RED SUN" (1971): AN APPRECIATION OF THE ULTI…

   www.cinemaretro.com/index.php?/archives/11242-OUT-OF-THE-PAST-RED-SUN-1971-AN-APPRECIATION-OF-THE-ULTIMATE-EASTERN-WESTERN.html

   See all results for this question

   What does a Red Sky Sunset mean?

   • On the other hand, a red sky sunset tells us the worst of the weather has now eased, with higher pressure and improving weather approaching from the west for the following day. Across northern Australia and other areas of the tropics, the "red sky" proverb is an unreliable method to predict the weather.

   Here's The Science Behind The Magical Colours of Sunsets And Sunrises

   www.sciencealert.com/what-makes-the-colours-in-those-beautiful-sunrises-and-sunsets

   See all results for this question

   What does a Red Sky Sunrise mean?

   • In areas of the world where weather systems move routinely from the west to the east, including across southern areas of Australia, the "red sky" proverb often holds true. A red sky sunrise suggests that an area of high pressure and fine weather, with its trapped dust and other particles, has moved out towards to the east.

   Here's The Science Behind The Magical Colours of Sunsets And Sunrises

   www.sciencealert.com/what-makes-the-colours-in-those-beautiful-sunrises-and-sunsets

   See all results for this question

   Why does a rising and setting sun have a red & yellow color?

   • Due to Rayleigh scattering, most of the light of shorter wavelengths – the blue, violet, and green – are scattered away multiple times, leaving only lights of longer wavelength – the red, orange, and yellow – to pass straight through to the observer. This is why a rising and setting Sun tends to take on spectacular hues of red, orange, and yellow.

   Why Does the Sky Turn Red at Sunrise and Sunset? - timeanddate.com

   www.timeanddate.com/astronomy/red-sunset.html

   See all results for this question

   Can lookback time distance be calculated from just knowing redshift?

   • By lookback time distance I mean the same as light-travel distance. Can it be calculated from just knowing the redshift? No you can't. Other information is required.

   How do you calculate the lookback time distance to a given galaxy?

   astronomy.stackexchange.com/questions/10295/how-do-you-calculate-the-lookback-time-distance-to-a-given-galaxy

   See all results for this question

9. www.sciencealert.com › what-makes-the-colours-inHere's The Science Behind The Magical Colours of Sunsets And ...

   www.sciencealert.com › what-makes-the-colours-in

   • Cached

   Jul 18, 2018 · With a red sky sunrise, the eastern sky is more likely to be cloud-free with finer weather, allowing the Sun to shine upon the higher cloud moving in with the deteriorating weather from the west.