What methods can be used to avoid asteroids hitting Earth?
pulling the asteroid with spaceship, exploding nuclear bombs
What is the synonym of dilemma?
perplexity, conundrum, problem
Mention 3 facts about black holes!
The pull of gravity is the strongest in the universe, it's impossible to see what is inside because of the event horizon, nothing can escape it
When was the smallest crater in America formed?
50,000 years ago
What will happen to average sized star once it dies?
The layers float away, the center becomes smaller because of gravity (white dwarf)
What is another word for catastrophe?
disaster
What is the other name for Messier 31?
Andromeda Galaxy
What happened in 2013 near Chelyabinsk Oblast, Russia?
A 20-meter meteor exploded near it injuring dozens of people on the ground.
What is the meaning of diatomic?
involving two atoms
What happened 65 million years ago in regards of massive asteroid struck?
A 10-km wide rock smashed the Gulf of Mexico and caused the loss of three quarter lives of life on Earth.
What is a supernova?
The explosion of the outer layers of a dying star.
Who was the first person that predicted the existence of black holes?
Albert Einstein
What happened to Ann Hodges in 1954?
a grapefruit-sized rock bounced off Ann Hodges’s radio and hit her as she lay on her sofa, resulting in a bruised hip and wrist.
What is Ed Lu's idea?
To use a spaceship to deflect asteroids by pulling it away.
What are the two possible things that might happen to you if you fell into a black hole?
You would get burnt before you even got into it, you would be spaghettified due to the massive pull of gravity
What could possibly be the best proof that black holes certainly exist?
By spying on a black hole while objects begin to enter the black hole and taking pictures of the process.
What is another word for abruptly?
suddenly
How does a star that is ten times bigger than our sun die?
The outer layers are thrown into space and create a supernova, the center is squashed into a spinning ball (neutron star)
What happened 35 million years ago in regards of massive asteroid struck?
A 3-km wide rock smashed into the ocean floor and created a crater beneath Chesapeake Bay.
What are other words for preposterous?
ludicrous, nonsensical, ridiculous, crazy
How is a new universe formed?
From the explosion of black holes