ASTR 103 Lecture Notes - Lecture 34: Small Solar System Body, Gravitational Microlensing, Protoplanetary Disk

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School
Department
Course
Professor
The$8$planets
Teresterial$ (inner)
-
Jovian$(gas$giants,$outer$planets)
-
Basic$characteristics$of$both
-
notable
-
Dwarf$Planets$and$small$solar$system$bodies
Dwarf$planets
-
Meteoroid$to$meteor$to$meteorite
-
Solar$system$formation
Left$over$gas$and$dust
1.
Rotation$and$collapse
2.
Condensation$and$accretion
Grain$by$grain$and$particle$by$particle
a.
3.
Collision$and$clearing
4.
6.2
Difficulty$of$detection
Fainter
-
Less$massive
-
Indirect$detection$methods
Doppler$shift
-
Timing
What$we$used$to$find$the$first$2$extrasolar$planets
-
Photospheric
-
Astrometric
-
Astrometric$displacement
-
Pulsar$timing$variations
-
Imaging$methods
Protoplanetary$disk
-
IR$and$radio$images
-
Visible$imaging
-
Gravitational$microlensing
-
Discoveries
Increasing$success
1.768$extrasolar$planets
-
Examples
Most$are$close$and$massive
Possible$terrestrial$planets
Multi-planet$systems
-
6.3
6.1-6.4&Review&for&Test
Friday,$December$ 8,$2017
11:12$AM
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