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Q 1/26
Score 0
A star that has exhausted most of its hydrogen fuel, cooled, and contracted into a dense state.
30
White Dwarf
Q 2/26
Score 0
A galaxy with no clear shape; often smaller, full of gas/dust, with lots of star formation.
30
Irregular Galaxy
26 questions
Q.
A star that has exhausted most of its hydrogen fuel, cooled, and contracted into a dense state.
1
30 sec
Q.
A galaxy with no clear shape; often smaller, full of gas/dust, with lots of star formation.
2
30 sec
Q.
A collapsed star with gravity so strong that not even light can escape.
3
30 sec
Q.
The longest stage of a star’s life where it fuses hydrogen into helium.
4
30 sec
Q.
The massive explosion of a large star at the end of its life.
5
30 sec
Q.
The extremely dense core left after a supernova (made mostly of neutrons).
6
30 sec
Q.
A spiral galaxy with a central bar-shaped structure of stars (the Milky Way is barred).
7
30 sec
Q.
The early stage of a star forming as gravity pulls gas and dust together.
8
30 sec
Q.
The cooled, “dead” remnant of a white dwarf (theoretical—none exist yet).
9
30 sec
Q.
Oval or football-shaped galaxy with older stars, little gas/dust, and less new star formation.
10
30 sec
Q.
A giant cloud of gas and dust; the “stellar nursery” where stars are born.
11
30 sec
Q.
The hot, dense leftover core of a small/medium star.
12
30 sec
Q.
A galaxy that is shaped like a pinwheel with arms of stars, gas, and dust spiraling out from the center.
13
30 sec
Q.
The outer layers of a dying medium star puff off into space, creating colorful gas clouds.
14
30 sec
Q.
A later stage when the star expands as it runs out of hydrogen fuel.
15
30 sec
Q.
A hybrid between elliptical and spiral galaxy; disk-like but without spiral arms.
16
30 sec
Q.
A graph that plots stars by their absolute magnitude and temperature, showing different stages in star evolution. Plots star characteristics. Shows main sequence stars
17
30 sec
Q.
A measure of the brightness of a celestial object as seen from Earth. Describes brightness Relative scale
18
30 sec
Q.
The intrinsic brightness of a celestial object, such as a star. Indicates energy output. Independent of distance from Earth
19
30 sec
Q.
The distance light travels in one year, approximately 5.88 trillion miles. Measures astronomical distance Used in space exploration
20
30 sec
Q.
A star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass?
21
30 sec
Q.
A cloud of gas and dust in outer space, visible in the night sky either as an indistinct bright patch or as a dark silhouette against other luminous matter
22
30 sec
Q.
A large, bright, gaseous feature appearing above the surface of the Sun and extending into the corona.
23
30 sec
Q.
A region on the Sun's surface that is marked by intense magnetic activity, which inhibits convection and causes reduced surface temperature
24
30 sec
Q.
The outermost layer of the Sun's atmosphere, characterized by high temperature and low density,
25
30 sec
Q.
A massive system consisting of billions of stars, star systems, star clusters, dust, and gas bound together by gravity. Contains stars, dust, and gas Bound by gravity
