AstroPictionary

quintessence

heliophysics

non-inertial reference frame

High z Redshift

Newton's Universal Law of Gravitation

scatter

sunspot

Celestial Coordinates

quintessence

globular cluster

Hubble's Constant

apoapsis

Local Sky Coordinates

Universal Gravitation Constant G

over contact binary

Calculating Distance To Proxima Centauri

Bayer Designation

absorption

Sigma Octanis (Sigma Oct or Polaris Australis)

Inverse Square Law

photon ring

Geocentric Observer

G Universal Gravitational Constant

solar butterfly diagram

Earth Coordinates

pseudoscience

emission

perigee

linear acceleration VS angular acceleration

Planck length

AstroPictionary Convert Arc Seconds (") To Arc Minutes (')

Magnetic Activity

Binary Star

FOV Field of View

Ground State & Excited State Including First, Second, and Third

Sunspot Group

detached binary

Hubble flow

Empirical Relation

electron degeneracy pressure (in a stellar object)

host star

Non-Ionizing Radiation

contact binary

SunspotPair

Radar Ranging

Law of Sines

long period variable (LPV)

North Star