True or false of all planets Jovian has the largest radius?
100
1 day
What is the rotational planet of the earth?
100
Terrestrial
What kind of Planet has a solid surface?
100
B) Neutron stars
Joceyln Bell discovered the first pulsar. Pulsars provide observational evidence for the existence of what?
A) White drawfs, B) Neutron stars, C) Black holes D) Brown drawfs
100
The Sun
Mars Travels in an ellipse. What object is the focus of this ellipse?
200
FALSE. It will spin at a FASTER rate
True or False, When an object collapses into a neutron star, it will spin at a slower rate?
200
Planets move around epicycles, which move in circles around the earth
How would you best describe a planet's motion according to ptolemy?
200
All except Neptune. Neptune has rings around it.
Which Planets DO NOT have rings around them?
The Moon, Neptune, Earth, Mars, Mercury
200
B) Halo
In what part of the galaxy are globular clusters found?
A) disk, B) halo, C) Spiral
300
FALSE
True or False, The sun will eventually explode as a supernova?
300
The Earth's North pole is tilted towards the sun in the summer
In the northern hemisphere, why is summer warmer than winter?
300
Pluto
What planet is located beyond the orbit of neptune?
300
A neutron star or a black hole
After a Supernova, a compact object can remain in the core. This object can be a _____ or a ______.
300
Apparent magnitude- absolute magnitude
d= 160 pc
A star has an apparent magnitude of 8 and an absolute magnitude of 2. How far away is it? And how would you solve this?
400
False. The orbits of planets have LOW eccentricities while the orbits of comets have HIGH eccentricities
Planets and comets travel in elliptical orbits around the sun. True or False.. The orbits of planets have High eccentricities while the orbits of comets have Low eccentricities?
400
Planets move in circular orbits around the sun
How would you describe a planet's motion according to Copernicus?
400
Radio Waves
What type of radiation from celestrial objects can most easily penetrate the earth's atmosphere? (and therefore be observed with an instrument on Earth's surface?)
400
disk
In which part of our galaxy are most of the stars, gas, and dust?
400
M= 8
What is the absolute magnitude of a star that is 63 parsces away and has an apparent magnitude of 12?
500
True
True or False:
The Newly discovered Trappist-1 system contains 7 Earth like planets orbiting a cool red star.
500
It Refuted the geometretic model of the universe, because in that model Venus could only be in the new or crescent phase.
Galileo discovered that Venus went through a full set of phases. What was signifigant about this discovery?
500
There should be a bright RED line, a BLUE/GREEN line, and possibly other lines
What would you see when looking at a tube of hydrogen gas through a diffraction grating? (as seen in class)
500
are moving away from us at a faster rate
According to Hubble law, galaxies that are farther away from us....