P10: Extra-solar Planets

Question 1

complications arise from starspots, flares, ___ and ___ inhomogeneities

Answer 1

rotation/convective

Question 2

circular orbit leads to ___ variations

Answer 2

sinusoidal

Question 3

degeneracy with ___ implies lower limit on planet mass

Answer 3

inclination

Question 4

astrometric method is more sensitive for ___-period planets as well as ___ or ___ rotating stars

Answer 4

long/hot/rapidly

Question 5

direct imaging method:
-look in IR at recently formed large planets that are still losing their ___ rapidly
-reduce ___ pf stellar image using adaptive optics or sending detectors into space
-block out ___ with coronographic mask
-nulling interferometry to combine ___ images of star

Answer 5

heat of formation/angular size/stellar light/out of phase

Question 6

for habitable zones we consider:
-___-planet separation
-presence of an ___
-type of star and its ___
mass and ___ of the planet

Answer 6

star/atmosphere/evolution/composition

Question 7

luminosity of stars ___ slowly with time

Answer 7

increases