L1 Flashcards
Name the 5 things you can see in the night sky.
Moon, planets, meteors, comets, stars
what is the moon
the earths only natural satellite
What are the 3 qualifications an object has to meet to be considered a planet?
a. orbit the sun
b. large enough to become rounded by its own gravity
c. has cleared the area of its orbit
What are the 5 planets that can be seen from earth w/o a telescope?
Mercury, Venus, Mars, Jupiter, Saturn
What is the brightest object in the night sky? (Not moon)
Venus
What is a meteor?
a streak of light in the sky produced by the burning of a meteoroid in Earth’s atmosphere
What is a comet?
a loose collection of ice & dust that orbits the sun, typically in a long, narrow orbit
What is a star?
a large ball of hot gasses that undergoes nuclear fission
what are the two main gasses in stars?
hydrogen and helium
what is the process that is taking place in stars?
nuclear fission
What is a constellation?
a pattern or a grouping of stars that is used to represent a figure or object
What is a star chart?
a tool that can help you find constellations in the night sky
How many constellations are there?
88
What languages do the names of constellations come from?
Latin
Greek
