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3
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a vehicle used for traveling in space.
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5
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an expert in or student of astronomy
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7
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the sixth planet from the Sun and the second largest in the Solar System, after Jupiter
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8
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a planet that orbits a star outside the solar system.
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9
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U.S. space agency
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10
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an interstellar planet, nomad planet, free-floating plane
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11
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is the galaxy that contains our Solar System
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14
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16-century German astronomer who discovered the of planetary motion
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17
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optical instrument designed to make distant objects appear nearer
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1
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the fifth planet from the Sun and the largest planet in the Solar System
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2
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he dimensions of height, depth, and width within which all things exist and move.
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4
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planetary motion are three scientific laws describing the motion of planets around the Sun.
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6
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a fixed luminous point in the night sky that is a large, remote incandescent body like the sun.
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12
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the smallest and closest to the Sun of the eight planets in the Solar System,
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13
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curved path of a celestial object or spacecraft around a star, planet, or moon
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15
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a celestial body moving in an elliptical orbit around a star
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16
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a system of millions or billions of stars, together with gas and dust
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