Lewati ke konten utama
cherenkov
ENID
← Silabus

Astronomi

Sumber: Junior IOAA Syllabus — IOAA

Redaksi resminya dalam bahasa Inggris. Terjemahan di sini tidak resmi, jadi periksa sumbernya jika ragu.

20 topik · 0 materi · 0 editorial

Teori

Astronomi dan Astrofisika Dasar4 topik

  1. Mekanika Benda Langit

    Newton’s law of gravitation; Kepler’s laws for circular and non-circular orbits; the ellipse, its main points, semi-major and semi-minor axes, eccentricity; movements of planets, asteroids and comets; Roche limit, barycentre, two-body problem, Lagrange points.

    Segera hadir

  2. Teori Elektromagnetik

    Electromagnetic waves; visible light and its wavelengths; Doppler effect; Wien’s law; the electromagnetic spectrum (radio, UV, X-ray).

    Segera hadir

  3. Termodinamika

    Ideal gas; thermal equation of state; the caloric equation.

    Segera hadir

  4. Spektroskopi dan Fisika Atom

    Absorption (Q); emission; spectra of celestial objects (Q).

    Segera hadir
Koordinat dan Waktu2 topik

  1. Bola Langit

    Spherical trigonometry; celestial coordinates and their applications; equinox and solstice; circumpolar stars; constellations and zodiac. Diurnal motion of stars and culmination; the planes, lines and notable points of the celestial sphere; horizontal and equatorial coordinate systems; altitude of the celestial pole above the horizon; diurnal motion of stars at different latitudes; altitude of a star at culmination; circumpolar stars and stars that rise and set.

    Segera hadir

  2. Konsep Waktu

    Solar time; sidereal time; Julian date; heliocentric Julian date; time zones; Universal Time; local mean time; different definitions of “year”; equation of time. Time measurement, calendars, and the bases of time measurement.

    Segera hadir
Tata Surya3 topik

  1. Matahari

    Solar structure; solar surface activity; solar rotation; solar radiation and the solar constant; Sun–Earth relations; role of magnetic fields (Q); solar wind and radiation pressure; heliosphere (Q); magnetosphere (Q).

    Segera hadir

  2. Benda-benda Tata Surya

    The Sun–Earth–Moon system: phases, eclipses of the Moon and Sun, the Earth’s motion around the Sun and the Moon’s around the Earth, precession of the Earth’s axis. Formation and evolution of the Solar System (Q); structure and components (Q); structure and orbits of Solar System objects; sidereal and synodic periods and the relation between them; retrograde motion; outer reaches of the Solar System (Q). Parallax and distances; size, shape, mass and average density of bodies; albedo; the astronomical unit; angular dimensions and small angles. Apparent motions of the planets and the Sun on the celestial sphere; planetary configurations; variation of the Sun’s declination and right ascension through the year; seasonal variations in the appearance of the starry sky.

    Segera hadir

  3. Fenomena Tata Surya

    Tides; seasons; eclipses; aurorae (Q); meteor showers; atmospheric refraction and its effect on observations.

    Segera hadir
Bintang2 topik

  1. Sifat-sifat Bintang

    Methods of distance determination; annual parallax; radiation, luminosity and magnitude; determination of radii and masses; stellar motion; irregular and regular stellar variability (broad classification and properties); Cepheids and the period–luminosity relation.

    Segera hadir

  2. Evolusi Bintang

    Stellar formation; Hertzsprung–Russell diagram; pre-main-sequence, main-sequence and post-main-sequence stars; supernovae; planetary nebulae; end states of stars.

    Segera hadir
Sistem Bintang4 topik

  1. Bintang Ganda

    Different types of binary stars; mass determination in binary systems; light and radial-velocity curves of eclipsing binaries; Doppler shifts in binary systems; interacting binaries; peculiar binary systems.

    Segera hadir

  2. Gugus Bintang

    Classification and structure; mass, age, luminosity and distance determination.

    Segera hadir

  3. Galaksi Bima Sakti

    Structure and composition; rotation; satellites of the Milky Way (Q).

    Segera hadir

  4. Galaksi

    Classification by structure, composition and activity; mass, luminosity and distance determination; rotation curves; the Sun’s motion and general notions about our Galaxy; the Solar System’s movement in the Galaxy.

    Segera hadir
Kosmologi1 topik

  1. Kosmologi Dasar

    Expanding Universe and Hubble’s law; clusters of galaxies; Big Bang (Q); the Schwarzschild radius formula. Speed of light; the distance ladder; length units from the metre to the gigaparsec; general knowledge of the structure of the Universe.

    Segera hadir
Sains Antariksa Dasar4 topik

  1. Eksoplanet

    Techniques used to detect exoplanets.

    Segera hadir

  2. Kosmonautika

    Cosmic velocities; forms of orbits; the ecliptic coordinate system; tilt and line of nodes; speed at perihelion and aphelion; determination of circular orbits; perturbations of planetary motion; tidal effects; determining the masses of celestial bodies; elementary calculations of Earth’s orbits to nearby planets.

    Segera hadir

  3. Eksplorasi Antariksa

    Satellite trajectories and Hohmann transfers; human exploration of the Solar System (Q); planetary missions (Q); gravitational sling-shot effect; space-based instruments (Q).

    Segera hadir

  4. Instrumentasi

    Fundamentals of geometric optics; the eye as an optical device; construction of the simplest observing tools; refractors and reflectors; photo camera; binoculars; image formation in optical devices; angular magnification.

    Segera hadir