Crosswords can be filled in online.
Space and Astronomy
A highly luminous celestial object powered by a supermassive black hole at its center.
A rotating neutron star that emits beams of radiation, appearing as pulses from Earth.
The point in the sky directly above an observer, often used in celestial navigation.
A vast cloud of gas and dust in space, often a region where new stars are born.
A planet located outside our solar system, orbiting a star other than the Sun.
The range of different colors produced when light is dispersed, revealing elemental composition.
The scientific study of the origin, evolution, and eventual fate of the universe.
The point in an orbit where a celestial body is farthest from the Sun.
The point in an orbit where a celestial body is closest to the Sun.
A small rocky body orbiting the Sun, primarily found in the belt between Mars and Jupiter.
A powerful explosion marking the death of a massive star, resulting in a bright transient event.
The phenomenon where light from an object is shifted to longer wavelengths, indicating its distance.
A form of matter that does not emit light or energy, inferred from gravitational effects.
The boundary surrounding a black hole beyond which nothing can escape, including light.
The region of space dominated by the solar wind and magnetic field of the Sun.