The End Of Everything

(Astrophysically Speaking)

Katie Mack 2020 523.19 MAC

NO REFERENCES Book notes by Sara Heidmann, also no referenes

• 001 Sun red giant in 5 billion years, engulfing Venus, Earth charred to magma

  • KL: unless we move it with flyby momentum transfer from Jupiter ... Gregory Laughlin, Don Korycansky, Fred Adams, The Conversation Matteo Ceriotti

• 006 cosmic inflation might happen again (?)
• 009 bouncing neutron in gravity
• 039 theory of inflation, an explanation for thermal uniformity and mass nonuniformity
• 040 inflation until 1e-34 sec, quark era until 1e-6 sec, plasma until 380K years and transparency
• 049 reionization until 1e9 years
• 051 Andromeda approaching 110 km/s, collision in 4e9 years

• 067 Vera Rubin 1970s evidence -> dark matter

• 080 Cosmological constant 120 orders of magnitude smaller than quantum field theory suggests
• 082 Observable universe (from very early stars, when expansion was less) is 45 billion light years across
• 083 Hubble radius us 14B ly away
• 084 distant supernovae to redshift 4, most distant galaxies redshift 11, cosmic microwave background to redshift 1100
• 087 apparent size of galaxies increases beyond Hubble radius
• 089 Proton decay 1e33 years?
• 097 Matter is 30%, dark energy is 70%

• 109 equation of state parameter w, if less than -1, doomsday

• 114 more than 188G years from now
• 126 Hubble constant 74 km/s/Mpc ... 1/4.2e21s ... 1/13e14y

• 131 Review of speculative "disaster scenarios" at RHIC