Celestial Coordinates
A degree measure of how far north or south an object is from the celestial equator.
What is Declination?
Phase that follows the First Quarter phase
What is Waxing gibbous?
Who was the first to calculate the Earth's circumference?
Who is Eratosthenes
refers to the movement of Earth in its orbit around the Sun
What is revolution?
The further away we look the older it is.
What is look back time?
Divides the sky into eastern and western halves and helps in tracking celestial objects' paths
What is the meridian?
Causes the variation in the apparent size of the Moon.
What does the elliptical orbit of the Moon cause?
Represented the sky and was depicted as covered in stars, symbolizing the heavens.
Who was the Goddess Nut?
The direction we go around the Sun
What is counterclockwise rotation?
We are moving with a many other galaxies towards the Shapley attractor.
What is Laniakea?
A local system used to specify the position of objects in the sky.
What is the azimuth/altitude coordinate system?
An eclipse where there is a ring of light around the Moon.
What is an annular eclipse?
This star was considered to bring the Spring rains
What is Sirius know for to ancient Egyptians?
It is 24 hours long
How long is a solar day?
That part of the Universe where microwaves are visible.
What is the CMB or Cosmic microwave background radiation?
The angle of the star Polaris?
How can you find your latitude?
Neap tides are smaller and occur during the first and third quarter phases, while spring tides are larger and occur during full and new moons
What is the difference between leap and neap tides?
The lack of observable parallax in stars.
What was a major argument against heliocentrism?
Explains why the Earth goes around the Sun
What is gravity?
The loss of electrons from an atom.
What is ionization?
Two examples of circumpolar constellations from Florida.
What are the Big and Little Dippers?
We are moving away from the Moon causing us to slow down.
What is conservation of angular momentum?
Discovered the rings of Saturn and Titan.
Who was Huygens?
Explains what forms in a debris filled orbit.
What is a dwarf planet?
It is about 46 billion light years away.
How far is the CMB from us?