WorksheetsStars, Asteroids, and Comets
Total questions: 12
Worksheet time: 24mins
Which of the following are characteristics of a Sunspot?
visible on the photosphere
cooler than the surrounding areas
take several days/months to move across the Sun's surface
All of the above
(select all that apply) Which of the following are characteristics of an asteroid?
made of rocks and solid metals
mostly frozen nitrogen
3-6 year orbital period
226 million year orbital period
Which of the following are characteristics of a comet?
pressure forces the dust and gases from the coma to form a tail.
has a frozen part "dirty snowball" also known as a nucleus
has a coma which is formed from the nucleus vaporizing as it gets close to the sun.
have long elliptical orbits that bring it closer to the sun
all of them
Which of the following is a characteristic of a black hole?
attracts all matter and energy that come nearby
reflects all matter and energy that come nearby
attracts only planets
attracts only comets, asteroids, and stars
Which of the following is a heavy star that gives off a large amount of light?
black hole
planetary nebula
red supergiant
white dwarf
Which of the following is made up of shells that are cast away from a low-mass star?
planetary nebula
white dwarf
black hole
red supergiant
Which of the following is a low-mass star that has shed its outer layers?
white dwarf
black hole
red supergiant
planetary nebula
Look at the picture. Which of the following are the correct descriptions of the comet? (select all that apply)
tail made of ions that appears to
point away from the comet’s orbit
tail made of small, solid dust particles
the atmosphere of gases and dust
formed when the nucleus vaporizes
the frozen part of the comet
You observe the sun through a filtered telescope during a total solar eclipse and see a red and faint white crown shaped ring. What are you seeing?
chromosphere and corona
corona and photosphere
radiative zone and chromosphere
photosphere and corona
Which of the following are characteristics of a comet?
mostly ice
3 to 6 year life span
3.3 to 70,000 years life span
rocks and some metal
What is the main cause of an aurora, also called northern lights.
solar wind enters Earth’s atmosphere, and particles interact with ions.
bubbles of gas are ejected from Earth’s outer crust.
sunlight reflects off the surface of the Moon during an eclipse.
the northern and southern poles are cooler than the rest of Earth.
(select all that apply) Which statements are NOT true of a white dwarf?
has a red shell
It is the result of the core collapse of a low-mass star that sheds its outer layers.
emits massive amounts of light compared with other stars.
It cools down to become a black dwarf.
strongly attracts all matter or energy that comes near it.
