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741.
Which spacecraft became the first to fly by Pluto and its moons in 2015?
Explanation:
742.
What is the term for a small, rocky celestial body that enters Earth's atmosphere and burns up due to friction?
Explanation:
743.
What is the term for a spacecraft designed to orbit and study a celestial body or planet from a distance?
Explanation:
744.
Which spacecraft was designed to study the Sun and provide close-up observations of the solar corona?
Explanation:
745.
What is the name of the spacecraft that conducted the first successful landing on a comet in 2014?
Explanation:
746.
What is the term for the study of the properties and behavior of matter and energy at very high temperatures and pressures, such as those found in stars and nuclear reactions?
Explanation:
747.
What is the name of the region surrounding a black hole where objects can still escape if they have enough velocity?
Explanation:
748.
What is the term for a point in space where the gravitational pull from two celestial bodies, such as Earth and the Moon, is balanced, allowing spacecraft to remain relatively stationary?
Explanation:
749.
Which space mission successfully placed the Hubble Space Telescope into orbit in 1990?
Explanation:
750.
What is the term for the zone in the solar system that includes the orbits of the inner planets, such as Mercury, Venus, Earth, and Mars?