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Johann Wilhelm Hey " Weißt du, wie viel Sternlein stehen" (German for "Do you know how many stars there are?") is a German lullaby and popular evening song. The lyrics were written by the Protestant pastor and poet Wilhelm Hey [] (1789–1854), who published them first in 1837.
As the nights go by, she watches the Moon gradually reappear in the sky, going from waxing crescent to full Moon. The book introduces children to the lunar phases, showing the Moon "shrinking" and "growing" in the sky every night. [2] The story also tackles concepts of wish-fulfillment and imagination. [3]
Software that converts text to voice is readily available and can be easily used to read out Wikipedia pages on-the-fly. See screen reader . The web-based Pediaphon service uses speech synthesis to generate MP3 audio files and podcasts of Wikipedia articles in different languages.
Our current view of the night sky is “deteriorating” so rapidly that a clear change will be noticeable in a generation, researchers said. Over half the stars we see now won’t be visible in ...
This is a list of astronomical objects named after people.While topological features on Solar System bodies — such as craters, mountains, and valleys — are often named after famous or historical individuals, many stars and deep-sky objects are named after the individual(s) who discovered or otherwise studied it.
First-magnitude stars are the brightest stars in the night sky, with apparent magnitudes lower (i.e. brighter) than +1.50. [1] [2] Hipparchus, in the 1st century BC, introduced the magnitude scale. He allocated the first magnitude to the 20 brightest stars and the sixth magnitude to the faintest stars visible to the naked eye.
An all-sky view of stars in the Milky Way and neighbouring galaxies, based on the first year of observations by Gaia, from July 2014 to September 2015. Map shows the density of stars observed by Gaia in each portion of the sky. Brighter regions indicate denser concentrations of stars, while darker regions correspond to patches of the sky where ...
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