What kind of exoplanet is easier for us to detect? Giant planets in large orbits (cold Jupiters). Terrestrial planets in large orbits (cold Earths). Giant planets in small orbits (hot Jupiters). Dwarf planets in large orbits (cold Plutos). Dwarf planets in small orbits (hot Plutos). Terrestrial planets in medium orbits (warm Earths- us!). Our methods detect all types of planets equally. Put the stages of solar system formation in order chronologically, where "1" means it happened first and "5" means it happend last. - 1. 2. 3. 4. 5. Proto-Suns heat bakes disk, establisning oxide, soot, and frost lines. - 1. 2. 3. 4. 5. Planets encounter instabilities and migrate (change orbits). - 1. 2. 3. 4. 5. Collapsing gas cloud forms a disk shape. - 1. 2. 3. 4. 5. Planets begin growing from grains and planetessimals. - 1. 2. 3. 4. 5. Solar fusion turns on and blows away the gas via the solar wind. How did Earth get most of its water? Some icy bodies were formed inside the frost line, despite the heat. Asteroid collisions on Jupiter blasted icy bodies into the inner Solar System. It was bombarded with icy objects deflected into the inner Solar System soon after its formation. It formed just outside the frost line and later migrated to its present orbit under the influence of Jupiter. In the exoplanet database there are systems that we see nearly face-on. How did we detect these systems? Via the radial velocity method. Via direct imaging or microlensing. Via the timing method. Via the transit method. You realize there is an exoplanet orbiting a star because it makes its star wobble as it orbits. Which detection method is this? Transit. Timing variations. Direct imaging. Radial velocity. Microlensing. How do we think hot Jupiters formed? They formed as a double star companion to the host star, but since then their nuclear reactions have stopped. They formed where they are now found, when the central proto-star was much colder. They migrated in toward the center from beyond the frost line early in the system history. They formed as a double star companion to the host star, but never ignited nuclear reactions. Giant planets in large orbits (cold Jupiters). Terrestrial planets in large orbits (cold Earths). Giant planets in small orbits (hot Jupiters). Dwarf planets in large orbits (cold Plutos). Dwarf planets in small orbits (hot Plutos). Terrestrial planets in medium orbits (warm Earths- us!). Our methods detect all types of planets equally..

1. What kind of exoplanet is easier for us to detect?
Giant planets in large orbits (cold Jupiters).
Terrestrial planets in large orbits (cold Earths).
Giant planets in small orbits (hot Jupiters).
Dwarf planets in large orbits (cold Plutos).
Dwarf planets in small orbits (hot Plutos).
Terrestrial planets in medium orbits (warm Earths- us!).
Our methods detect all types of planets equally.
Put the stages of solar system formation in order chronologically, where "1" means it happened
first and "5" means it happend last.
- 1. 2. 3. 4. 5.
Proto-Suns heat bakes disk, establisning oxide, soot, and frost lines.
- 1. 2. 3. 4. 5.
Planets encounter instabilities and migrate (change orbits).
- 1. 2. 3. 4. 5.
Collapsing gas cloud forms a disk shape.
- 1. 2. 3. 4. 5.
Planets begin growing from grains and planetessimals.
- 1. 2. 3. 4. 5.
Solar fusion turns on and blows away the gas via the solar wind.
How did Earth get most of its water?
Some icy bodies were formed inside the frost line, despite the heat.
Asteroid collisions on Jupiter blasted icy bodies into the inner Solar System.
It was bombarded with icy objects deflected into the inner Solar System soon after its formation.

2. It formed just outside the frost line and later migrated to its present orbit under the influence of
Jupiter.
In the exoplanet database there are systems that we see nearly face-on. How did we detect these
systems?
Via the radial velocity method.
Via direct imaging or microlensing.
Via the timing method.
Via the transit method.
You realize there is an exoplanet orbiting a star because it makes its star wobble as it orbits.
Which detection method is this?
Transit.
Timing variations.
Direct imaging.
Radial velocity.
Microlensing.
How do we think hot Jupiters formed?
They formed as a double star companion to the host star, but since then their nuclear reactions
have stopped.
They formed where they are now found, when the central proto-star was much colder.
They migrated in toward the center from beyond the frost line early in the system history.
They formed as a double star companion to the host star, but never ignited nuclear reactions.
Giant planets in large orbits (cold Jupiters).
Terrestrial planets in large orbits (cold Earths).
Giant planets in small orbits (hot Jupiters).
Dwarf planets in large orbits (cold Plutos).
Dwarf planets in small orbits (hot Plutos).
Terrestrial planets in medium orbits (warm Earths- us!).
Our methods detect all types of planets equally.