Question 1

Who was the first human to set foot on the surface of the Moon in July 1969?

Accepted Answer

Neil Armstrong. Neil Armstrong was the commander of Apollo 11 and became the first person to step onto the lunar surface on July 20, 1969.

Question 2

Who was the first woman to fly in space, launching aboard the Vostok 6 mission in 1963?

Accepted Answer

Valentina Tereshkova. Soviet cosmonaut Valentina Tereshkova flew solo aboard Vostok 6 on June 16, 1963, completing 48 orbits of Earth.

Question 3

Which robotic probe became the first human-made object to cross the heliopause into interstellar space in August 2012?

Accepted Answer

Voyager 1. Voyager 1 officially entered interstellar space on August 25, 2012, when its instruments detected a sharp rise in galactic cosmic rays.

Question 4

In what year was the Hubble Space Telescope launched into Earth orbit?

Accepted Answer

1990. The Hubble Space Telescope was carried into low Earth orbit on April 24, 1990, by Space Shuttle Discovery on mission STS-31.

Question 5

What was the name of the first artificial satellite successfully placed into Earth orbit in 1957?

Accepted Answer

Sputnik 1. Sputnik 1 was launched by the Soviet Union on October 4, 1957, inaugurating the Space Age.

Question 6

Which modular space station was operated in low Earth orbit from 1986 until it was deorbited in 2001?

Accepted Answer

Mir. The Mir space station was operated by the Soviet Union and later Russia for 15 years before a controlled atmospheric re-entry in March 2001.

Question 7

Which Soviet spacecraft made the first successful soft landing on Venus in December 1970?

Accepted Answer

Venera 7. Venera 7 touched down on the surface of Venus on December 15, 1970, transmitting surface temperature and pressure data back to Earth.

Question 8

Which comet was the destination and study target of the European Space Agency's Rosetta mission?

Accepted Answer

67P/Churyumov–Gerasimenko. Rosetta arrived at Comet 67P/Churyumov–Gerasimenko in August 2014 and deployed the Philae lander onto its surface in November 2014.

Question 9

What was the name of NASA's first wheeled rover to successfully operate on the surface of Mars in 1997?

Accepted Answer

Sojourner. Sojourner landed on Mars on July 4, 1997, as part of the Mars Pathfinder mission and explored the surface for nearly three months.

Question 10

What is the diameter of the primary mirror of the James Webb Space Telescope (JWST)?

Accepted Answer

6.5 meters. The James Webb Space Telescope features an optical primary mirror with a total diameter of approximately 6.5 meters, composed of 18 hexagonal segments.

Space exploration