Astronomy Exam 1

Exam 1

30 cards   |   Total Attempts: 182
  

Cards In This Set

Front Back
What is the longtitude and latitude of El Paso?
-106 West 32 North
Explain what we mean by the statement the farther away we look in distance, the further back we look in time.
It takes time for light to reach us, with an object that is light years away the light will take even more to get to us, so by the time it reaches us, were technically looking at the object how it was before the light traveled.
The average distance from the earth to the sun, 149,000,000km is called ? and scientific notation?
Astronomical unit 1.49x10^8km
If the moon rises exactly at sunrise what must be the phase of the moon?
New moon
On what days of the year does the earth have equal amounts of day and night?
Vernal and Autumnal equinoxes, around March 21 and Sept 22
What point is always directly over your head, no matter where on Earth you go?
Zenith
The revolution of our planet around the Sun creates what length of time?
Our year
In El Paso how would you describe the position of Polaris?
32 N about the horizon
Consider the following statement and explain whether its sensible or not, "Last night i saw jupiter in the constellation Ursa Major."
No Jupiter is found along the ecliptic
Would someone living in Sydney Australia see the same constellations as we observe in El Paso? why or why not?
No because they are on the opposite side of the world
What is the definition for universe?
All matter and energy, anything and everything we see, or can be seen, this is including us looking at the past because of the distance in light years.
What is Diurnal Motion?
This is when it seems as if the stars and Sun are moving in the sky, but are not, we are the ones moving but we cant feel Earth move.
Is a waning or waxing moon visible at sunset?
Waxing moon yes
How will the position of Polaris change as you travel north from the United States to Canada?
As you go further up Polaris will be getting closer to your zenith
If you cant see the moon where is it?
The other side of the planet, next to the sun