Physics

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From a location in the United States of America, a star is observed to be rising Started by Melanie	1 Replies 761 Views	Aug 28, 2013 by penza
A year is defined as A) the time it takes for Earth to complete a rotation on it Started by Melanie	1 Replies 661 Views	Aug 28, 2013 by penza
The places where the Sun crosses the equator are called the: A) annalemmas. B) p Started by Melanie	1 Replies 1,042 Views	Aug 28, 2013 by penza
The place the Sun stops its northward motion along the ecliptic is the: A) equat Started by Melanie	1 Replies 936 Views	Aug 28, 2013 by penza
How long is the precession cycle? A) 1 day B) 29.5 days C) 365.24 days D) 18 yea Started by Melanie	1 Replies 563 Views	Aug 28, 2013 by penza
Which statement about Right Ascension is FALSE? A) Each hour is equal to 15 degr Started by Melanie	1 Replies 771 Views	Aug 28, 2013 by penza
A star with a right ascension of 1.0 hours will rise A) 1.0 hours before the ve Started by Melanie	1 Replies 1,249 Views	Aug 28, 2013 by penza
Which statement about declination is FALSE? A) Polaris is almost at +90 degrees. Started by Melanie	1 Replies 1,673 Views	Aug 28, 2013 by penza
While watching a star, you see it moves 15 degrees across the sky. How long hav Started by Melanie	1 Replies 1,100 Views	Aug 28, 2013 by penza
What is the range of values for declination? A) +90 to -90 degrees B) +180 to -1 Started by Melanie	1 Replies 1,006 Views	Aug 28, 2013 by penza
Where on Earth can you observe all the stars in the sky over an entire year? A) Started by Melanie	1 Replies 1,309 Views	Aug 28, 2013 by penza
Where on Earth would you be if Polaris was at your zenith? A) North Pole B) Arct Started by Melanie	1 Replies 891 Views	Aug 28, 2013 by penza
What are constellations? A) Groups of galaxies gravitationally bound and close t Started by Melanie	1 Replies 563 Views	Aug 28, 2013 by penza
Into how many constellations is the celestial sphere divided? A) 12 B) 44 C) 57 Started by Melanie	1 Replies 560 Views	Aug 28, 2013 by penza
About how many stars are visible on a clear, dark night with the naked eye alone Started by Melanie	1 Replies 673 Views	Aug 28, 2013 by penza
Aristotle's hypothesis was that: A) lunar eclipses were created by our shadow. B Started by Melanie	1 Replies 608 Views	Aug 28, 2013 by penza
Which of the choices below correctly lists things in order from largest to small Started by penza	1 Replies 966 Views	Aug 28, 2013 by penza
The Earth's ionosphere partially blocks which form of electromagnetic radiation? Started by futuristic	1 Replies 1,106 Views	Aug 28, 2013 by curlz
Of all the forms of electromagnetic radiation, the one with the lowest frequency Started by futuristic	1 Replies 590 Views	Aug 28, 2013 by curlz
Which form of electromagnetic radiation would be blocked in the stratosphere by Started by futuristic	1 Replies 758 Views	Aug 28, 2013 by curlz
Which form of electromagnetic radiation is absorbed by carbon dioxide and water Started by futuristic	1 Replies 810 Views	Aug 28, 2013 by curlz
The temperature scale that places zero at the point where all atomic and molecul Started by futuristic	1 Replies 984 Views	Aug 28, 2013 by curlz
Electromagnetic radiation A) can only travel in a dense medium. B) has only the Started by futuristic	1 Replies 851 Views	Aug 28, 2013 by curlz
Which statement gives the relationship between the waves in the electric and mag Started by futuristic	1 Replies 850 Views	Aug 28, 2013 by curlz
Which of these is constant for ALL types of electromagnetic radiation in a vacuu Started by futuristic	1 Replies 955 Views	Aug 28, 2013 by curlz