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Flashcards in Key Terms Deck (9)
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1
Q

Indirect methods for finding exoplanets

A

Methods that rely on measured aspects of the star to extrapolate the existence of a planet; tells us the orbital period

2
Q

Direct methods for finding exoplanets

A

Using photography, imaging, and spectroscopy

3
Q

Dynamical Effects for finding exoplanets

A

Stars moving due to planets by gravitational tugs

4
Q

Gravitational Lensing

A

A star with a planet bends background light in specific measurable ways

5
Q

Weak Lensing

A

Only noticeable for many objects

6
Q

Strong Lensing

A

noticeable for just one object

7
Q

Macrolensing

A

resolved into multiple images

8
Q

Microlensing

A

Discrete multiple images are not resolved

9
Q

Caustic

A

An event of formally infinite magnification, used to determine the angular separation between the star and the planet