ASP Space Exploration and Modern Astronomy

Question 1

What was the first artificial satellite launched into Earth orbit?

Accepted Answer

Sputnik 1

Answer

Explorer 1

Answer

Vostok 1

Answer

Telstar 1

Question 2

What was the primary mission of the Voyager spacecraft?

Accepted Answer

To fly by the outer planets and eventually leave the solar system

Answer

To land on Mars and search for life

Answer

To orbit Jupiter and study its moon system

Answer

To measure the solar wind throughout the inner solar system

Question 3

What is the Hubble Space Telescope's orbit and its significance?

Accepted Answer

Low Earth orbit at ~540 km altitude, above most of the distorting atmosphere

Answer

Geostationary orbit, allowing constant observation of a fixed sky region

Answer

Lagrange point L2, beyond the Moon's orbit

Answer

Highly elliptical orbit reaching beyond Mars

Question 4

What is the International Space Station (ISS) primarily used for?

Accepted Answer

Microgravity research and scientific experiments in low Earth orbit

Answer

Launching satellites into deep space

Answer

Telescope observation free from all light pollution

Answer

Staging point for missions to the Moon and Mars

Question 5

What did the LIGO observatory first detect in 2015?

Accepted Answer

Gravitational waves from two merging black holes

Answer

The first exoplanet with an oxygen atmosphere

Answer

The first direct image of a black hole event horizon

Answer

Neutrinos from a nearby supernova

Question 6

What was the Cassini mission's primary target?

Accepted Answer

Saturn

Answer

Jupiter

Answer

Uranus

Answer

Neptune