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Study with Quizlet and memorize flashcards containing terms like Astronomical Unit (AU), Light Year, Universe and more.
20 cze 2024 · Our solar system is located about 27000 light-years from the center of the galaxy, or about halfway out to the edge of the galaxy. Our solar system orbits about the galactic center in a nearly circular orbit, making one trip around every 230 million years.
Study with Quizlet and memorize flashcards containing terms like Examine the spectra of the four unknown substances shown below. What can you conclude?, How was helium first discovered?, What star is the coolest? and more.
Study with Quizlet and memorize flashcards containing terms like The farthest bright galaxies that modern telescopes are capable of seeing are up to A) 1 million light years away. B) 10 million light years away.
A) a spherically shaped collection of stars including our solar system and about a dozen other solar systems, stretching about 4 light-years in diameter. B) a spiral galaxy with a disk about 100,000 light-years in diameter and containing between 100 billion and 1 trillion stars.
Study with Quizlet and memorize flashcards containing terms like 1) The farthest galaxies that modern telescopes are capable of seeing are up to A) 10 million light-years away. B) 1 billion light-years away.
9 lip 2024 · For most space objects, we use light-years to describe their distance. A light-year is the distance light travels in one Earth year. One light-year is about 6 trillion miles (9 trillion km). That is a 6 with 12 zeros behind it!
