Astronomy for Dummies
The study of the moon, stars, and other objects in space.
What is Astronomy?
The visible layer of the Sun.
What is the photosphere?
When the Sun and moon are in a straight line.
What is a spring tide?
Planets travel in an elliptical orbit. The sun is one of the foci of the ellipse.
What is Kepler´s first law?
describes the formation of our solar system via a nebula.
What is a Solar Nebula Hypothesis?
The tilt of the earth on its axis; causes seasons.
What is 23.5 degrees?
The central region of the Sun, where nuclear fusion produces large amounts of energy by fusing hydrogen together to produce helium.
What is the Core of the Sun?
When the sun and moon form a 90-degree angle.
What is a neap tide?
The farther a planet is from the star, the longer the year.
What is Kepler´s third law?
A stream of electrically charged particles produced by the Sun´s corona.
What is Solar Wind?
The spinning motion of a planet about its axis.
What is Rotation?
The extended outer atmosphere of the sun. Visible during a solar eclipse.
What is the corona?
The dark spots more commonly found on the ¨light¨ side of the moon.
What is a Maria?
A line from the planet to the sun sweeps out equal areas over equal times.
What is Kepler´s second law?
When one hemisphere is pointed towards the Sun.
What is a solstice?
The natural attraction between two objects.
What is gravity?
What is the radiative zone?
When the sun and moon do not create a straight line or a 90-degree angle.
What is a normal tide?
When neither hemisphere is pointing toward the Sun.
What is an equinox?
The balanced point in which two or more space objects orbit.
What is the barycenter?
The outermost layer of the Sun´s interior where rising and falling currents carry heat from the Radiative zone to the surface.
What is the convection zone?
The amount of time between two new moons. 29.53 days.
What is a synodic month?
The degree of the difference of tilt between the Sun and the Moon.
What is 5 degrees?