Galaxies
What galaxy contains our solar system?
The Milky Way
Which planet is known as the Red Planet?
Mars
Who was the first person to walk on the Moon?
Neil Armstrong
What is the name of the closest star to Earth?
The Sun
What object has such strong gravity that even light cannot escape it?
A black hole
What force holds stars and other objects together within a galaxy?
Gravity
Which planet is the largest in our solar system?
Jupiter
What telescope, launched in 1990, has provided some of the most famous images of space?
The Hubble Space Telescope
What determines a star's color?
Its surface temperature
What invisible substance is thought to account for much of the matter in the universe?
Dark matter
What are the three main types of galaxies?
Spiral, elliptical, and irregular
What is the hottest planet in the solar system?
What was the first planet humans landed on with a spacecraft?
Venus
What process produces a star's energy?
Nuclear fusion
What is the name for the point at the center of a black hole where matter is thought to be compressed to an extreme density?
The singularity
What is the name of the nearest major galaxy to the Milky Way?
The Andromeda Galaxy
Which planet rotates on its side, with an axial tilt of about 98°
Uranus
What spacecraft became the first human-made object to enter interstellar space?
Voyager 1
What 2 gases primarily make up stars?
Hydrogen (73%) & Helium (25%)
What is the name of the boundary surrounding a black hole beyond which light cannot escape?
The event horizon
What supermassive black hole is located at the center of the Milky Way?
Sagittarius A
Which planet hosts Olympus Mons, the largest volcano in the solar system?
Mars
What NASA mission first landed humans on the Moon?
Apollo 11
What’s the name of an extremely dense stellar remnant left behind after some supernovae
Neutron star
What faint radiation left over from the early universe is one of the strongest pieces of evidence for the Big Bang?
The cosmic microwave background (CMB)