Moons
What shape is the moon
oblate spheroid
Which planet is known as the "Red Planet"
Mars
What color are the hottest stars
blue, blue white
What is the "event horizon"
It is the boundary surrounding the center of a black hole, often called the "point of no return."
What holds a galaxy together
gravity
How many moons does Jupiter have
101
Which planet is the hottest
venus
What color are the coolest stars
red
Do black holes live forever
they slowly "leak" energy called Hawking Radiation and eventually evaporate taking trillions of years to die.
What are the three main types of galaxies
Spiral, Elliptical, and Irregular.
How many miles away is Earth's Moon
238,900
What planet is often called "Earth twin"
Venus
Whats the "Habitable Zone"
region around a star where the temperature is just right for liquid water to exist on a planet's surface, allowing for potential life.
What is the name of our nearest supermassive black hole
Sagittarius A
what galaxy is the closest to the milky way
Canis Major Dwarf Galaxy,
How many days does it take for the moon to orbit Earth.
27.3
Which planet rotates on its side
uranus
What is the main component of most stars
Hydrogen is the main component, which fuses into helium.
What is a "Singularity"
center of a black hole where matter is compressed into a region of infinite density.
What is a "starburst galaxy"
a galaxy undergoing an extremely high rate of star formation
Why does does the moon appear to rise at a different times each time each night and roughly how many minutes later each day.
Due to the moons revolution around the earth, it rises roughly 50 minutes later each day
Which two planets experiences Diamond rain
Neptune, Uranus
Why do stars twinkle in the night sky?
their light is distorted by moving layers in the Earth's atmosphere
How can black holes, which trap light, be observed directly?
the dark silhouette created against the luminous, superheated accretion disk of gas and plasma surrounding them.
What is the "Boötes Void"
massive, almost empty region in the universe spanning 330 million light-years across, containing far fewer galaxies than expected