Quiz: Time, Space and Everything in Between: The Astrophysics Quiz
Time, Space and Everything in Between: The Astrophysics Quiz
By: Staff
Image: refer to hsw

About This Quiz

The field of astrophysics covers some of the biggest questions about the universe. How did it form? What will happen to it? How do solar systems form? What are stars made of? Is time travel possible? Test your smarts on astrophysics with this quiz.

1.0 of 30
The sun is made mostly from what element?
2.0 of 30
What is the process that "powers" stars?
3.0 of 30
Most stars, when plotted into a graph of color and brightness, fall into a band known as the …
4.0 of 30
The final stage for the most massive stars is either a massive explosion known as a supernova or gravitational collapse into a …
5.0 of 30
The Kepler space telescope has found more what than any other telescope?
6.0 of 30
Variances in the sun's magnetic field can cause some areas on the sun's surface to be slightly cooler than the surrounding area. These areas are known as what?
8.0 of 30
A planet that does not orbit any star, instead wandering through the galaxy alone, is called what?
9.0 of 30
What is the stellar equivalent of a rogue planet?
10.0 of 30
Molecular clouds are regions where interstellar gases are slightly more dense, permitting molecules to form. These massive clouds can also give birth to what?
11.0 of 30
What was the first (and so far only) spacecraft to enter the interstellar medium?
12.0 of 30
What is the most widely accepted theory about the origin of the universe?
13.0 of 30
The faint glow of radiation permeating the universe, considered a key element of the big bang theory, is also known as the …
14.0 of 30
What is the term for the apparent increase in wavelengths of light as the object emitting them and an observer move farther apart?
15.0 of 30
A theoretical "tube" connecting two different points in space-time is called what?
16.0 of 30
The theory that the universe will continue expanding until all energy is evenly distributed throughout the universe is called what?
17.0 of 30
Observations of the universe suggest there is a great deal more matter present than what is visible. How do physicists account for the discrepancy?
18.0 of 30
The matter in the universe that we can see and interact with (as opposed to dark matter and dark energy) is known as …
19.0 of 30
When a star first forms, it is surrounded by a disk of gas and dust that may eventually form planets. What is the disk called?
20.0 of 30
The flow of high-energy particles from a star, pushed by the heat of the star's corona, is known as what?
21.0 of 30
What kind of star will the sun become in the final stages of its life?
22.0 of 30
What is at the center of most (possibly all) galaxies?
24.0 of 30
What is the name of the invisible, radio wave-emitting object at the center of our galaxy that astronomers suspect is a supermassive black hole?
25.0 of 30
Analyzing the spectra of the light being emitted by a star allows astronomers to determine what?
26.0 of 30
In the Morgan–Keenan classification system for stars, the sun is classified G2V. What do the G and the 2 indicate?
27.0 of 30
The two primary classifications of galaxies are elliptical and what else?
28.0 of 30
What accounts for most galaxies with odd or unusual shapes?
29.0 of 30
Which part of a star is hotter, the core or the surface?
30.0 of 30
What is the term for a system of two stars revolving around each other?
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