The Planets Flashcards
What planet besides earth, has four seasons?
Mars
What’s the nickname for the inner planets that means earth-like?
Terrestrial
Name the properties all inner planets have:
Rocky crusts, dense mantle layers with a very dense cores, and pro grade motion (besides Venus)
Why is Venus called earths sister planet?
Because of similar diameter, Mass, and gravity.
What’s the nickname for the outer planets that means Jupiter-like?
Jovian
The blue color of that Uranus and Neptune is caused by what element in the atmosphere?
Methane
The great red Spot, a storm that never disappears, is located on which planet?
Jupiter
What two things are the rings of the gas giants composed of?
Ice and rocks
Which Jovian planet is closest to the sun?
Jupiter
Which outer planet has the largest ring system?
Saturn
What is the name for our largest planet?
Jupiter
What is the name for our smallest planet?
Mercury
Which planet does not have an atmosphere
Mercury
Which planet has the highest surface temperature?
Venus
Which planet rotates on its side?
Uranus
Which planets have no moons? (2)
Venus and Mercury
Which planet has the most number of moons?
Jupiter
Which planet has the largest mountain in the solar system located on it (Olympus Mons)?
Mars
When an object orbits west to east, it is said to have a prograde rotation. Rotating the opposite way is called what?
Retro grade motion
Which planet has a retro grade motion
Venus
The amount of time it takes a planet to rotate on its axis is called what?
A day
There are currently____planets and_____dwarf planets.
8,1
Name the planets in order.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
Where do you meteoroids usually come from?
Comets or astroids
Where is a dwarf planet located?
The astroid belt
What is the name of a dwarf planet?
Ceres
Where is the Kuiper Belt located?
Near the orbit of Neptune and beyond Pluto
What is a shooting star?
A small, rapidly moving meteor burning up on entering earth’s atmosphere
Why are asteroids not considered planets?
They are too small and numerous
The astroid belt is located between what two planets?
Mars and Jupiter
Went to meteoroid enters earths atmosphere it is called a _____. If it is large enough to go through earths atmosphere and hit the ground, it is called_____.
Meteor, meteorites
Why is Pluto no longer considered a planet?
Because it is smaller than our moon and cuts off Neptunes orbit
What is Pluto?
A plutoid
A common still always points in what direction from the sun
Away
Besides Pluto list the other Plutoid’s and their location in the solar system.
Eris, Makemake, and Haumea. They are all located in the Kuiper Belt.
What are the names of the Rovers from oldest to newest?
- Sojourner rover, Mars path finder
- spirit, Mars exploration rover
- opportunity, Mars exploration rover
- Curiosity, Mars science Lab
What did Opportunity and Spirit do on Mars?
Explored the Martian surface and its’ geology.
What did curiosity do there?
A car sized rover lab that landed in Gale Crater to assess if the site offered microbial life, the role of water on the planet, and it’s planetary habitability
