『Travelers In The Night』のカバーアート

Travelers In The Night

Travelers In The Night

著者: Albert D. Grauer
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A real "Science Snack" for anyone who is interested in the extraterrestrial.
Dr. Al Grauer is a member of the Catalina Sky Survey which has led the world in near Earth asteroid discoveries for 17 of the past 19 years.
The music is "Eternity" by John Lyell.
Astronomy Asteroids Space NASA Comets Earth Impact AliensAlbert D. Grauer
天文学 天文学・宇宙科学 科学
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  • 361E-393-Newest Moon
    2025/11/04
    The moon cycle from new moon through full moon and back to new moon again was used by many nations to regulate their activities and forms the basis of the Islamic lunar calendar. A calendar based on the first visibility of the lunar crescent is difficult to predict in advance since this observation depends on the clarity of the atmosphere and other local conditions. The interesting observational problem of when it is possible to spot the new moon has been analyzed in the scientific literature as an aid to historians who are seeking to interpret the writings of ancient civilizations.
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    2 分
  • 873-Tracking 3I/Atlas
    2025/10/31
    Scientists are using many approaches to understanding the nature and history of 3I/Atlas the third known interstellar traveler in the night. At a hyperbolic velocity of 130,000 mph it is the fastest interstellar visitor ever measured.
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    2 分
  • 360E-391-Finding Spacerocks
    2025/10/28
    Finding a meteorite that has traveled billions of miles through space to reach it's present location is exciting. It might even be worth real money.
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    2 分
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