Home » Astronomy

Astronomy

1 2 4 5 6 7 8 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

1

2

4

46 Leonis Minoris

47 Ursae Majoris

5

6

7

8

80 Ursae Majoris

A

Aberration of light

Aberration of starlight

Absolute brightness

Absolute Magnitude

Absolute temperature scale

Absolute Visual Magnitude

Absorption band

Absorption Line

Absorption Spectrum

Absorption-line spectrum

Acceleration of Gravity

Achromatic Lens

Active galactic nuclei

Active Galactic Nucleus

Adaptive Optics

Age of the earth

Age of the galaxy

Alfonsine tables

Alpha Andromedae

Alpha Canis Majoris

Alpha Canis Minoris

Alpha Capricorni

Alpha Cassiopeiae

Alpha Coronae Borealis

Alpha Geminorum

Alpha Phoenicis

Alpha Piscis Austrini

Alpha Sagittarii

Alpha Serpentis

Alpha Trianguli

Alpha Trianguli Australis

Alpha Ursae Majoris

Alpha Ursae Minoris

Altazimuth mounting

Alula Australis

Andromeda Galaxy

Angular measure

Angular Momentum

Annular Eclipse

Annular solar eclipse

Anomalistic Month

Anomalistic Year

Antares maelstrom

Anthropic principle

Antoniadi scale

Apollo Asteroid

Apollo asteroids

Apparent brightness

Apparent Magnitude

Apparent solar day

Apparent solar time

Apparent Visual Magnitude

Argument of perihelion

Artificial satellite

Asellus Australis

Asellus Borealis

Astrometric Binary

Astronomical seeing

Astronomical survey

Astronomical Twilight

Astronomical Unit

Astronomical unit (au)

Astronomy on Mars

Atmospheric Phenomena

Atmospheric Refraction

Atmospheric Window

Atmospheric Windows

Aurora australis

Aurora borealis

Autumnal Equinox

Average density

B

Background radiation

Barred Spiral Galaxy

Barycentric Dynamical Time

Baryonic matter

Baryonic particles

Belt-zone circulation

Beta Andromedae

Beta Canis Majoris

Beta Canis Minoris

Beta Capricorni

Beta Cassiopeiae

Beta Coronae Borealis

Beta Ursae Majoris

Biased galaxy formation

Big Bang Theory

Binary star system

Bipolar outflow

BL Lacertae Object

Black Body Radiation

Blackbody radiation

Blackeye Galaxy

Blink comparator

Bolometric luminosity

Bolometric Magnitude

Brightest Stars

Broad line region

Broken symmetry

C

Cambrian period

Carbon Detonation

Carbonaceous chondrite

Carbonaceous material

Cassegrain focus

Cassegrain Telescope

Cassini Division

Cataclysmic Variable

Cause of eclipses

Cause of the seasons

Celestial Equator

Celestial horizon

Celestial latitude

Celestial longitude

Celestial mechanics

Celestial meridian

Celestial poles

Celestial sphere

Centripetal force

Cepheid Variable

Cepheid Variable Star

Cepheid variable stars

CfA Redshift Survey

Chandler Wobble

Chandrasekhar limi

Chandrasekhar Limit

Chaotic rotation

Charge-Coupled Device

Chemical reaction

Chinese Calendar

Chondritic meteorite

Chromatic Aberration

Circular Velocity

Circumpolar Constellation

Circumpolar star

Closed Universe

Cluster of galaxies

Cluster of stars

Coal sack nebula

Cold dark matter

Collecting area

Colliding galaxies

Color Temperature

Common envelope

Compton scattering

Conservation of angular momentum

Conservation of energy

Continental drift

Continuous Spectrum

Convection zone

Coordinate system

Coordinate Systems

Copernican revolution

Copernican system

Coriolis effect

Corona Australis

Corona Borealis

Coronal mass ejection

Cosmic Abundance

Cosmic background radiation

Cosmic microwave background radiation

Cosmological constant

Cosmological Principle

Cosmological redshift

Crepuscular Ray

Critical Density

C-type asteroid

Curvature of space

Cyclotron radiation

D

Daughter isotope

Daylight Saving Time

Deceleration parameter

Decoupling epoch

Degeneracy pressure

Degenerate Matter

Delta Capricorni

Delta Cassiopeiae

Delta Geminorum

Delta Scuti Star

Delta Ursae Majoris

Delta Ursae Minoris

Density fluctuations

Density parameter

Density Wave Theory

Density-wave theory

Descending node

Differential Rotation

Differentiation

Distance Indicator

Distance Modulus

Doppler Broadening

Double-lobed radio source

Dumbbell Nebula

Dwarf elliptical galaxy

E

Earth-Crossing Asteroid

Earthlike planets

Eastern Daylight Time

Eastern Standard Time

Eccentricity of orbit

Eclipse seasons

Eclipsing Binary

Eclipsing binary star

Eclipsing binary system

Eddington luminosity

Electromagnetic force

Electromagnetic Radiation

Electromagnetic spectrum

Electromagnetic wave

Electroweak force

Elliptical Galaxy

Emission Nebula

Emission Spectrum

Emission-line spectrum

Ephemeris Second

Epsilon Aurigae

Epsilon Cassiopeiae

Epsilon Eridani

Epsilon Geminorum

Epsilon Ophiuchi

Epsilon Ursae Majoris

Epsilon Virginis

Equation of state

Equation of the centre

Equation of Time

Equatorial diameter

Equatorial Mounting

Equatorial system

Eruptive prominences

Escape velocity

Eta Canis Majoris

Eta Cassiopeiae

Eta Ursae Majoris

Evolutionary track

Exclusion principle

Expanding universe

Extrasolar Planets

Extraterrestrial Life

F

Far infrared astronomy

Fast fourier transform

Filar Micrometer

Flatness Problem

Foucault pendulum

Fraunhofer lines

Fundamental forces

G

Gaia hypothesis

Galactic Cannibalism

Galactic center

Galactic cluster

Galactic Coordinates

Galactic equator

Galactic latitude

Galactic longitude

Galactic nucleus

Galilean Satellites

Gamma Andromedae

Gamma Cassiopeiae

Gamma Ray Burster

Gamma Ursae Majoris

Gamma Ursae Minoris

Gamma-ray astronomy

Gamma-ray burst

Gamma-ray burster

General Relativity

Geocentric Coordinates

Geocentric system

Geomagnetic storm

Geometric albedo

Geosynchronous orbit

Giant impact theory

Giant Molecular Cloud

Globular Cluster

Globular Star Cluster

Grand unified theories

Gravitational collapse

Gravitational lens

Gravitational Lens Effect

Gravitational radiation

Gravitational redshift

Gravitational Wave

Gravitational waves

Great Attractor

Greatest elongation

Greenhouse Effect

Greenwich Mean Time

Gregorian Calendar

Gregorian Telescope

Groombridge 1830

Grooved Terrain

H

Hawking Radiation

Heliacal rising

Heliocentric system

Helioseismology

Herbig-Haro Object

Herbig-Haro objects

Hercules cluster

Hertzsprung-Russell diagram

High-energy astronomy

High-Velocity Star

Horizon problem

Horizontal Branch

Horizontal branch star

Horsehead Nebula

Hubble Constant

Hubble Space Telescope

Hydrogen burning

Hydromagnetic wave

Hydrostatic Equilibrium

I

Index of refraction

Inferior Conjunction

Inferior planet

Inferior planets

Inflationary universe

Infrared astronomy

Infrared excess

Infrared Radiation

Inner Lagrangian point

Instability Strip

Interstellar cloud

Interstellar Gas

Interstellar grain

Interstellar matter

Interstellar Medium

Interstellar Reddening

Intrinsic brightness

Invariable Plane

Inverse Square Law

Inverse-square law

Irregular cluster

Irregular Galaxy

J

Julian Calendar

K

Kelvin Temperature Scale

Kerr Black Hole

Kiloparsec (kpc)

L

Lagrange points

Lagrangian Point

Lambda Sagittarii

Large Magellanic Cloud

Light Gathering Power

Light Pollution

Light-gathering power

Limiting magnitude

Liquid metallic hydrogen

Local Hypothesis

Local Sidereal Time

Local solar time

Local Standard of Rest

Local Supercluster

Long Period Variable

Longitude of perihelion

Long-period comet

Luminosity Class

Luminosity Classes

Luminosity Density

Luminosity distance

Luminosity Function

Luminous Blue Variable

Lunar Occultation

M

Magellanic Cloud

Magellanic Clouds

Magnetic field lines

Magnetic lines of force

Magnifying Power

Magnitude Scale

Main sequence lifetime

Main-sequence star

Maksutov telescope

Massive compact halo object

Mass-luminosity relation

Maunder Minimum

Mean Solar Time

Megaparsec (mpc)

Messier catalog

Messier Objects

Metallic hydrogen

Metamorphic rock

Microlensing event

Micrometeorites

Milky Way Galaxy

Millisecond pulsar

Molecular Cloud

Morning and evening stars

Mu Ursae Majoris

Multiple star system

Music Of The Spheres

N

Natural satellite

Nautical Almanac

Nautical Twilight

Nebular hypothesis

Negative curvature

Neutrino oscillation

New General Catalog

Newtonian focus

Newtonian Telescope

Non-baryonic matter

Non-thermal emission

Nonthermal radiation

Normal spiral galaxy

North American Nebula

North and south celestial poles

North celestial pole

Northern Lights

Nuclear fission

Nuclear magnitude

Nucleosynthesis

O

Objective mirror

Oblate spheroid

Observable universe

Observational cosmology

Observing the Moon

Omicron Ursae Majoris

Omicron2 Eridani

Open star cluster

Opposition effect

Optical astronomy

Optical quality

Optical radiation

Optical telescope

Orbital elements

Orbital velocity

Organic molecule

Os Piscis Notii

Oscillating universe theory

Outflow channel

P

Pair production

Partial Eclipse

Partial Solar Eclipse

Path of totality

Pauli exclusion principle

Peculiar galaxy

Peculiar Motion

Peculiar Velocity

Perihelion distance

Period of rotation

Phases of Venus

Photographic magnitude

Pinwheel Galaxy

Piscis Austrinus

Planetary classification

Planetary Nebula

Planetary science

Planetary system

Plate tectonics

Poloidal radius

Positive curvature

Precession of the equinoxes

Primary minimum

Primordial background radiation

Problem Of Three Bodies

Prograde motion

Prolate spheroid

Proton-proton chain

Proton-proton cycle

Protostellar disk

Protostellar nebula

Proxima Centauri

Ptolemaic system

Q

Quantum mechanics

Quasi Stellar Object

Quasistellar Object

Quasi-stellar object

Quiescent prominences

R

Radial velocity

Radial velocity curve

Radiation pressure

Radiative transfer

Radio astronomy

Radio interferometer

Radio telescope

Radioactive decay

Radioactive element

Recession velocity

Recessional velocity

Redshift survey

Reflecting Telescope

Reflection nebula

Reflection nebulae

Refracting Telescope

Regular cluster

Regular satellites

Relativistic red shift

Resolving power

Retrograde loop

Retrograde motion

Retrograde rotation

Rho Coronae Borealis

Rich galaxy cluster

Rigel kentaurus

Right ascension

Rigil Kentaurus

Rocky Inner Planet

RR Lyrae Variable

S

Schmidt cassegrain telescope

Schmidt telescope

Schwartzchild radius

Schwarzschild radius

Scientific method

Scientific notation

Secondary minimum

Secondary mirror

Sedimentary rock

Selection effect

Semi-major axis

Seyfert galaxies

Shepherd satellite

Shield volcanoes

Short-period comet

Sidereal Period

Sigma Sagittarii

Signs of the Zodiac

Single-line spectroscopic binary

Sloan Digital Sky Survey

Small Magellanic Cloud

Soft gamma-ray repeater

Solar atmosphere

Solar nebula hypothesis

Solar nebula theory

Solar neutrino problem

Solar prominences

Solar radiation

Sombrero Galaxy

South Atlantic Anomaly

South celestial pole

Southern Lights

Southern Pinwheel Galaxy

Space observatory

Spacetime diagram

Spatial anomaly

Special relativity

Spectral sequence

Spectroheliograph

Spectroscopic Binary

Spectroscopic binary system

Spectroscopic parallax

Spherical aberration

Spherical component

Spitzer Space Telescope

Spring and neap tides

Standard Candle

Star of Bethlehem

Starburst galaxy

Steady state theory

Steady-state theory

Stefan-boltzmann law

Stellar cluster

Stellar evolution

Stellar nursery

Stellar occultation

Stellar parallax

Stellar population

Stellar Populations

Stellar structure

Stony meteorite

Stony-iron meteorite

S-type asteroid

Subatomic particles

Subduction zone

Submillimetre astronomy

Summer Solstice

Sunflower Galaxy

Supergiant star

Supergranulation

Superior Conjunction

Superior planet

Superior planets

Superluminal expansion

Superluminal motion

Supermassive black hole

Supernova Remnant

Supernova type i

Surface Brightness

Surface gravity

Synchronous rotation

Synchronous satellite

Synchrotron emission

Synchrotron radiation

T

Tania Australis

Telescope mounting

Terminal velocity

Terrestrial Dynamical Time

Terrestrial planet

Terrestrial planets

Thermal emission

Thermal equilibrium

Thermal particle

Thermal radiation

Thermonuclear fusion

Theta Serpentis

Timeline of telescope

Titius-Bode Law

Titius-bode rule

Toroidal radius

Transverse velocity

Triangulum Australe

Triangulum Galaxy

Triaxial ellipsoid

Triple alpha process

Trojan asteroid

Trojan asteroids

Tropic of Cancer

Tropic of Capricorn

Tuning fork diagram

Type C asteroid

Type ia supernova

Type ii supernova

U

Ultraviolet astronomy

Ultraviolet radiation

Uncompressed density

Uniform circular motion

V

Van allen belts

Velocity of recession

Vertical circle

Very long baseline

Visible light astronomy

Visible spectrum

Visual binary star

Visual binary system

Visual magnitude

Vogt-russell theorem

W

W Virginis Star

Waning crescent

Wavelength of maximum

Wavelength of maximum intensity

Wave-particle duality

Waxing crescent

Whirlpool Galaxy

White dwarf stars

Winter Solstice

Wolf-Rayet Star

X

X-ray astronomy

X-ray background

Y

Z

Zenithal Hourly Rate

Zero-age main sequence

Zeta Sagittarii

Zeta Ursae Majoris

Zodiacal Constellations

Zone of avoidance

© MiMi.hu