Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
High School Electives
/
Astronomy
/
Proper Motion and Transverse Velocity
Grade Level
Astronomy
AST.188 Proper Motion and Transverse Velocity
0%
Skill Level
🟢 Easy
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
Which phrase best defines transverse velocity in the context of proper motion?
A
The actual sideways speed of a star across our line of sight.
B
The temperature change measured across a star’s surface.
C
The speed of Earth’s rotation under the star.
D
The apparent brightness of a star as seen from Earth.
Submit Answer
