Parallax is

Which of the following is an example of a scientific model?

Most star names, such as Aldebaran and Betelgeuse, are___ in origin.

Kepler’s first law of planetary motion implies that

You and your friend put the palms of your hands together and push equally on each other so your hands don’t move. Which law(s) does this follow? Choose the best answer. I. Newton’s first II. Newton’s second III. Newton’s third IV. Newton’s law of gravitation  

A(n) ____ is a set of beliefs that appears to be based on scientific ideas, but which fails to obey the most basic rules of science.

You are in the northern hemisphere and the season is winter. The Sun is above a geographic point in the southern hemisphere and below the celestial equator.

At any point in its orbit, exactly one half of the Moon is illuminated by the Sun.

If the period of a body’s orbit is doubled, then the distance from the host has ___________. Assume the units of period are years and the units of distance are A.U. Choose the best answer.

As Earth rotates, circumpolar stars appear to move counterclockwise around the north celestial pole.