Astronomy - Ancient Greece, Stars, Planets: Astronomy is present from the beginning of Greek literature. In Homer’s Iliad and Odyssey, stars and constellations are mentioned, including Orion, the Great Bear (Ursa Major), Boötes, Sirius, and the Pleia
People have many questions about space and astronomy that indicate a deep interest in planets, stars, and galaxies. The answers often lead to more queries.
Professor Wang showed us a lot of pictures and videos, which made us have a sound knowledge of other planets. When the lecture was over, we got a chance to ask him some questions. This valuable experience made me believe that there are still many secrets about the universe waiting to be...
Volume: 641, P: 858-859 Early barred galaxy raises questions about cosmic evolution Observations of a galaxy from an early period of the Universe’s history reveal a bar-shaped structure and gas dynamics thought not to have been possible at that time. ...
"The Universe, Yours to discover" - the motto of the International Year of Astronomy (IYA) 2009 is also the central idea of this book. By gazing at the stars our thoughts turn to questions about the creation of the universe and the conditions of the Sun, the Moon, the planets, and ...
Hiya, Firstly a big thanks for all the help you have given me so far. It as been extremely useful in helping me understand my Astronomy course much better. My questions for today are: Does a cool star of about 3500 degrees C emit UltraViolet radiation? What is the evidence that Protosta...
success. How these approaches compare and contribute to developing a comprehensive model are among outstanding questions in planetary astrophysics. This session aims at introducing each scenario and assessing their capabilities by comparing their results to our knowledge of terrestrial planets in our solar...
Astronomy - Extrasolar, Planetary, Systems: The first extrasolar planets were discovered in 1992, and more than 4,100 such planets are now known. Over 600 of these systems have more than one planet. Because planets are much fainter than their stars, fewe
Those who study astronomy explore the structure and origin of the universe including the stars, planets, galaxies and black holes that reside in it. Astronomers aim to answer fundamental questions about our universe through theory and observation. ...
We discussed in the chapter that about half of stars come in pairs, or multiple star systems, yet the first eclipsing binary was not discovered until the eighteenth century. Why?Thought Questions Is the Sun an average star? Why or why not? Suppose you want to determine the average educationa...