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Which of the following is NOT an example of remote sensing?

The Sun is

Exploring the Solar System

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Answers

1
The Sun is
medium-mass star.
a large yellow planet.
near the end of its lifetime.
high-mass star
2
Which of the following is NOT an example of remote sensing?
Determining star's composition
Showing the planet surface
Measuring the height of person
Measuring star's temperature
3
Earth scale = 1, Io =0.28. Earth's real diameter = 12,756 km. What is Io’s real diameter?
4,000 km
3,571 km
45,557 km
12,755 km
4
What is a light-year?
distance from the Earth to the Sun
365 1/4 days.
amount of light the Sun produces in 1 year
the distance light travels in a year
5
The theory that astronomers have developed to describe the formation of the universe is called
Galactic Expansion
Big Bang Theory
Collision Ring Theory
Big Crunch Theory
6
A spherical object that orbits the Sun is too small to clear the area round its orbit is a
planet.
comet.
asteroid.
dwarf planet.
7
A star is born when
a nebula expands.
helium and oxygen combine.
a protostar begins to cool.
nuclear fusion starts.
8
Why do astronauts in orbit feel weightless?
They are falling away from Earth.
There is no air pressure while in orbit.
There is no gravity while in orbit.
They are falling toward Earth.
9
A collection of billions of stars held by gravity around a super-massive black hole is a
nebula.
galaxy.
star cluster.
black hole.
10
Which is the smallest inner planet?
Earth
Venus
Mercury
Mars