Moon
What does it mean when the moon is waxing? Waning?
Waxing - illuminated section is growing
Waining - illuminated section is shrinking
How much is the Earth’s axis tilted?
23.5 degrees
Light and other forms of electromagnetic radiation are given off by stars using energy released during?
Nuclear Fusion
The science and study of the universe.
Astronomy
The sun’s apparent daily movement across the sky is caused by?
Earth rotating
The same side of the Moon always faces the Earth because?
The moons rotation and revolution speed are the same.
What would happen to the intensity of the seasons if the Earth’s axis was tilted more than 23½°?
The seasons would become more extreme.
Which star group is our Sun currently in?
Main Sequence
Describes the concept of an Earth-centered universe.
Geocentric
Compared to the Jovian planets, the Terrestrial planets are?
Smaller and more dense
What is the moon’s period of revolution? Rotation? Moon Phases?
Revolution and rotation are 27.3 days
Phases are 29.5 days
What are the two reasons for the seasons?
Earths tilt and its revolution around the Sun.
Is Procyon B an old star or a young star?
Old
The spinning of a body, such as the Earth, around its axis.
Rotation
Compared to other groups of stars, the group that has relatively low luminosity and high temperature are the?
White Dwarfs
What are tides and what has the greatest effect on them?
Tides are the cyclic rising and falling of the water levels in the oceans. the Moon has the greatest effect on Earth's tides
What are the dates for the summer and winter solstices?
Summer - June 21st
Winter - December 21st
How is Alpha Centauri different from the Sun?
It is slightly bigger and brighter
The apparent change in frequency of electromagnetic or sound waves caused by the relative motion of the source and the observer.
Doppler Effect
The coldest climates on Earth are located at or near the poles primarily because Earth’s polar regions
Low angles of insolation
Name the moon phases drawn on the board.
1. New Gibbous
2. Third Quarter
What are the dates for the Vernal and Autumnal equinox?
Vernal equinox - March 21st
Autumnal equinox - September 21st
How can 40 Eridani B be so much hotter than Betelgeuse, but also much less bright?
It is a White Dwarf and Betelgeuse is a Red Supergiant
The arrangement of electromagnetic radiation according to wavelengths.
Electromagnetic Spectrum
What is the inferred age of our solar system, in millions of years?
4600 million years