BIG deal
What are the three types of galaxies?
Elliptical, Spiral, Irregular
Where are asteroids normally found?
What is the asteroid belt
What are the inner planets and what makes them unique?
Mercury, Venus, Earth, Mars. They are made of rock and they are smaller than the outer planets.
What is an oort cloud?
A ring of leftover comets from the creation of the solar system. ... It is believed that the Oort cloud was once much closer to the sun then it is now. Over time it's moved farther and farther away from the sun.
What is the universe made of?
All existing matter
What is described in space as a dirty iceberg or dirty snowball?
What is a comet
Which planet has the longest orbit of earth and why?
Neptune, it has the longest orbit because it is the planet farthest away from the sun.
What are galaxies?
A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems. A galaxy is held together by gravity. Our galaxy, the Milky Way, also has a supermassive black hole in the middle. ... Some scientists think there could be as many as one hundred billion galaxies in the universe.
Explain how 2 of the galaxies are different and similar to each other.
The shape of the galaxies are different, however, they are the same by all being composed of the same things, dust, stars, gravity
Why are some planets called dwarf planets and not regular planets? What makes them different?
They are planets smaller than Mercury and have different characteristics. They are generally found in the asteroid belt or past Neptune.
What is gravity?
A force that pulls an object in towards the object with the largest mass. It influences the universe in several ways: star formation, planet formation, keeps objects in orbit, etc
What are astronomers?
What is an expert in or student of astronomy.
Describe the difference between the end of the life for a low-mass and high-mass star.
Low-mass star = uses all its mass and then turns into a red giant, then a planetary nebula, then a white dwarf. High-mass star = runs out of fuel, turns into a red SuperGiant, then a supernova, then a neutron star or black hole.
Explain the difference between a meteor, meteorite, and meteoroid.
Meteoroid = orbiting piece of asteroid or comet, Meteor = a meteoroid that has entered Earth’s atmosphere and burns up, Meteorite = a meteor that falls to Earth.
Explain what would happen if the sun’s mass got larger.
If the sun’s mass got larger, then its gravitational force would be stronger and the planets closer would probably be sucked into the sun.
How was our moon created?
When the Sun formed, the Sun pushed away all the rocks, gasses, and etc that was around it. Our Moon formed when a Mars-like planet called “Theia” hit the Earth. The materials that flew off from the Earth when the impact happened. These pieces of matter later clumped together to make our Moon.
What is luminosity?
The actual brightness of a celestial object
The only natural object from space that hits Earth’s surface.
Meteorite
What are the outer planets and what makes them unique?
Jupiter, Saturn, Uranus, Neptune. They are considered gas giants. They are very large and made out of gas.
What is space?
Space is the zone above and around our planet where there is no air to breathe or to scatter light. Space is a vacuum, but it is far from empty.