ASTR 105 Final Review 1

When a comet like Comet Hale-Bopp comes closest to the Sun in its orbit, we say that it is at:

What would you have to change about the Earth to stop our planet from having significantly different seasons?

What objects did Galileo discover with his telescope that clearly didn’t go around the Earth?

Chunks of solid material that survive passing through the Earth's atmosphere and are found on the surface are called

The Renaissance astronomer who wrote the pioneering book that suggested the Earth probably orbits the Sun was:

Pluto was discovered through the patient searching of

What phase of the Moon must it be to have a solar eclipse?

In the Northern Hemisphere, the altitude of the North Star is always roughly equal to the

If you could see the new moon, at what time of day (roughly) would it rise?

A light year is

In Australia (in the Southern Hemisphere), when are the days the shortest and the nights the longest?

The natural object (not one that humans built) in space that’s closest to Earth is

The celestial sphere turns once around each day because

The satellite which has the thickest atmosphere is:

According to Kepler's third law, there is a relationship between the time a planet takes to revolve around the Sun and

The moon Triton orbits which of the planets?

According to Kepler's 2nd Law, comets (which have eccentric orbits) should spend a lot more of their time:

The first artificial satellite the human race lofted into orbit was called

Of these which is the closest to us?

Newton showed that to change the direction in which an object is moving, one needs to apply:

The 88 sectors into which astronomers today divide the celestial sphere (the whole sky) are called:

The slow tipping of the Earth's axis in a circle with a period of about 26,000 years is called:

The star that is currently closest to the North Celestial Pole is:

When a planet, in its orbit, is closer to the Sun, it:

From horizon to opposite horizon, the sky takes up how much angular distance?

On the celestial sphere, halfway between the celestial poles lies the

A star is 230 light years away. The light we see tonight from that star left it

The Astronomical Unit (AU) as defined by astronomers is

During what phase of the Moon is the Moon up only during the night hours and all night long?

When it comes to our place in the solar system today, which model do we accept?

The star that provides energy for life on Earth is

The Sun's apparent path around the celestial sphere is called

The point in the sky directly above your head at any given time is called the

The south celestial pole and the north celestial pole lie in the sky directly above

Of these, which is the largest?

When a planet temporarily moves "backwards" in the sky over the course of several weeks or months, we call it:

The largest satellite (moon) in the solar system is:

The planet in our solar system with the shortest period of revolution is:

Pluto's big satellite is called

The latitude of the Earth’s equator is

The world in the solar system that is most active volcanically is:

The Earth is closest to the Sun in which month of the year?