constelllationzzz

• constellation. a group of stars
• a sun is a star

  true
• the sun is a medium sized star
• the sun is 150km away from earth
• it takes 8minutes and 20 seconds for the suns sunlight to reach our world
• the suns diameter is 1.4million km
• blue. the hottest color of a star
• red. the coolest color of a star
• stars come from nebulae.
• nebulae. huge clouds of gas and dust
• stars brightness relies on two variables. distance and actual distance.
• characteristics of a star

  Brightness

  color

  temperature

  size

  mass
• stars. powerful balls of flaming gasses that emit electro magnetic waves in all directions
• there are approximately 400 billion stars in our galaxy and there are about 170 illion of galaxies
• A person can see only about 3000 stars on the average
• star. a natural luminous body visible in the sky especially at night.
• star. a very huge sphere of very hot glowing gas
• stars are the most widely recognized astronomical objects.
• stars the fundamental building blocks of galaxies
• A stars absolute brightness is the brightness the star would have if all stars were the same distance from earth
• star color ranges from red to blue
• the color of a star indicates its surface temperature

  true
• sun/ yellow / 5700

  proxima centauri / red / 2300

  epsilon iridani / orange / 4600

  vega / white / 9900

  alnilam/ blue / 27000
• white dwarf has the same size as our planet (earth)
• red giants and super giant stars are large enough to fill our entire solar system all the way to jupiter

  
  

  true
• average stars. survive for billions of years, dies quietly and leaves a white dwarf that will soon become a black dwarf
• massive stars die in a super nova explosion, and either makes a black hole or a neutron star
• the more massive a star is, the hotter its surface

  true
• orion: the hunter.
• during the summer in the philippines the constellations taurus and orion are not visible at night
• there are 88 constellations recognized by the international astronomy union (IAU)
• zodiac signs have 12 constellations
• polaris also known as the north star
• polaris. the brightest star in the constellation Ursa minor (little dipper) it is very close to the celestial pole, making it the current northern pole star
• polaris stands almost motionless in the sky, because it lies in the direct line of the earths axis
• merak and dubhe in the big dipper are called pointer stars because they seem to point to polaris
• Average stars die in a planetary nebula
• Baha / dec to feb / clearing of forest / taurus
• Pandarawa/ january / start of planting and how wide the crops should be / pleiades
• Balatik / february / start of planting and setting of traps/ orions belt