These are a cooler, dark areas on the sun’s surface. Every 11 years, the sun seems to have a major breakout.
What is a sunspot
100
stars, planets and solar systems form by this process
accretion
100
according to Newton what 2 factors keep Earth in orbit
gravity and inertia
100
how many tidal changes a day?
What is 4
100
before I am a planet I am a
what is planetessimal
200
indication 1 star might be near another star is.
What is a wobble or slight back and fourth motion
200
this occurs when the moon passes into the Earths shadow
What is a lunar eclipse
200
also known as plutoids
What are dwarf planets
200
when the moon is fully illuminated its called a?
what is a full moon
200
this planet is similar to Earth in size and density
What is venus.
300
absolute brighness depends on?
What is size and temp
300
rapidly spinning neutron star
what is a pulsar
300
Large chuck of ice, dust, gasses, and rock that orbit the sun. They are sometimes referred to as "dirty snowballs"
What is a comet
300
12 hours and 24 min pass from what to what?
1 high tide to another
or 1 low tide to another
300
The largest and 5th planet known as a gas giant
What is Jupiter
400
characteristics used to classify stars are?
What is size, brightness, and temp
400
HR diagram shows what
What is the hotter the star the brighter the star.
400
Name the eight planets in order from the sun starting with the closest to the sun.
What is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
400
when the moon passes directly between the sun and Earth
what is a solar eclipse
400
Why is Venus considered the hottest planet in the Solar System?
Venus has a tremendous Greenhouse Effect – Due to a large amount of carbon dioxide in the atmosphere (98%) -the CO2 traps the heat and causes the surface temperature to reach around 700 Fahrenheit.
500
The 6 layers of the sun
What are the Core, radiation zone, convectiion zone, photospere, chromospere, and corona
500
the system where everything revolves around the sun
what is the the heliocentric model
500
the way we measure the distances of far off stars
What is a parallax
500
The sun, moon and Earth are all alined during the moon phases and cause what?
what are full and new moon, and spring tides
500
what is the name of the astroid that is also know as a dwarf planet