What are the two key properties of a telescope, and why is each important? Also distinguish between refracting and reflecting telescopes.
The jovian planets have no solid surface.
The jovian planets have no solid surface.
The atomic ___________________ consist of protons and neutro…
The atomic ___________________ consist of protons and neutrons.
In South Africa, it’s usually quite warm around the time of…
In South Africa, it’s usually quite warm around the time of the December solstice and quite cool around the time of the June solstice.
Which lists the major steps of solar system formation in the…
Which lists the major steps of solar system formation in the correct order?
It is noon when the sun crossed your ___________________.
It is noon when the sun crossed your ___________________.
The objects in our solar system called _______________ plane…
The objects in our solar system called _______________ planets are giant gaseous planets similar in overall composition to Jupiter.
The Moon is considered to be constantly “falling” toward Ear…
The Moon is considered to be constantly “falling” toward Earth.
Briefly explain why icy moons can have active geology at muc…
Briefly explain why icy moons can have active geology at much smaller sizes than rocky worlds.
According to Kepler’s third law:
According to Kepler’s third law: