What is at the center of the Solar System?
Sun
What is a sunspot?
an area on the surface that is cooler and darker.
Name all the planets
mercury, venus, earth, mars, jupiter, saturn, uranus, neptune
Why does the same side of the moon always face earth?
it rotates the same speed as earth
or
it used to be a part of earth
Where is all the mass of the Solar System?
Sun
What is a solar prominence?
a plasma loop that is connected at two sunspots
What are the outer planets made out of mostly?
hydrogen and helium
or
gas
What are the dark parts of the lunar surface called?
Mare or Maria
What layer of the Sun do we see shining?
Photosphere
What is the Unit of measurement for large distances in space?
AU=Astronomical Unit
Which inner planet's year is shorter than its day?
Venus
What planet has the largest mountain/volcano in the solar system?
Mars
What layer of the sun is an active layer that glows red?
Chromosphere
elliptical
Which inner planet does not have an atmosphere?
Mercury
(Not Mars, it has a very thin atmosphere)
What are probes like Curiosity and Perseverance looking for on Mars?
evidence of water and life
What layer of the Sun is a halo around it?
Corona
Astronomer Johannes Kepler discovered that by using a planet's orbital, it is possible to determine its __________
distance from the sun
Which planet has a lot of carbon dioxide giving it a strong greenhouse effect?
Venus
What inner planets and moons have polar ice caps?
Mars, Earth