41. What is the name of the space mission that aims to study the gravitational forces between the Earth and the Moon?
a) LRO
b) GRAIL
c) Chang’e 5
d) Beresheet
42. What is the name of the space mission that aims to study the atmosphere and climate of Venus?
a) Venera
b) Akatsuki
c) Magellan
d) Pioneer Venus
43. What is the name of the space mission that aims to study the formation and evolution of galaxies?
a) Hubble Space Telescope
b) Chandra X-ray Observatory
c) Spitzer Space Telescope
d) Herschel Space Observatory
44. What is the name of the space mission that aims to study the properties of dark energy and dark matter?
a) Planck
b) WFIRST
c) Euclid
d) Fermi Gamma-ray Space Telescope
45. What is the name of the space mission that aims to study the atmosphere of Saturn and its moons?
a) Cassini-Huygens
b) Juno
c) New Horizons
d) MESSENGER
