51. What is the name of the space telescope that was launched in 1999 by NASA to study the ultraviolet spectrum of the universe?
a) Hubble Space Telescope
b) Chandra X-ray Observatory
c) Solar Dynamics Observatory (SDO)
d) GALEX
52. Which space telescope is used to study the sun and its effects on Earth?
a) Hubble Space Telescope
b) Solar and Heliospheric Observatory (SOHO)
c) Hinode
d) Fermi Gamma-ray Space Telescope
53. What is the name of the space telescope that was launched in 2015 by the Japanese Aerospace Exploration Agency (JAXA) to study black holes and other celestial objects?
a) Hitomi
b) Kepler Space Telescope
c) TESS
d) James Webb Space Telescope
54. Which space telescope is used to study the sun’s magnetic field and how it affects the solar wind?
a) Hubble Space Telescope
b) Solar Dynamics Observatory (SDO)
c) Hinode
d) Solar and Heliospheric Observatory (SOHO)
55. What is the name of the space telescope that was launched in 1990 by NASA and is still in operation?
a) Hubble Space Telescope
b) Chandra X-ray Observatory
c) Fermi Gamma-ray Space Telescope
d) Swift Gamma-Ray Burst Mission