The Solar Systems
How long does it take from light to travel from the Sun to the Earth?
8 minutes.
Which galaxy will eventually collide with the Milky Way?
The Andromeda Galaxy.
How do stars generate energy? (Bonus: what element powers it?)
Which space program first successfuly landed humans on the moon?
The Apollo space program.
The amount of time it takes for a planet to make a full rotation on its axis.
Name at least two galaxy types.
- Irregular
- Spiral
- Elliptical
What is the largest type of star?
Red supergiants.
Viking 1.
Name 3 characteristics of a terrestrial planet.
- Slow rotation
- Rocky, solid surfaces
- No rings
- Small number of moons
- Is small, with a great density
- Has close to circular orbits around the sun
Which astronomical event can briefly shine at least as bright as a galaxy?
The main sequence.
What is the farthest man-made object from the Earth?
Voyager 1.
When, from now, will the sun die?
Approximately 5 billion years.
What is an emission nebula?
A nebula which glows with visible light due to ionized interstellar gas.
Fill in the blanks: Stars much smaller than our sun eventually turn into a _______ while those much larger become either a _______ or a ________.
White dwarf; neutron star or black hole.
What is the phonograph disk sent into interstellar space to portray human life?
The golden record.
Which planet was first discovered mathematically, rather than being observed directly?
Neptune.
The Orion nebula includes trapezium stars. What radiation do they emit?
Intense ultraviolet radiation.
Which stars greatly increase in brightness for a short amount of time?
Variable stars.
Fill in the blanks: The ________ observatory, launched in August, aims to document ______, _______, and _______.
Nancy Grace Roman Space Observatory; dark energy, dark matter, and exoplanets.