A black hole marks the point at which not even light can escape.

Cygnus X-1 is a galactic X-ray source in the constellation Cygnus.

Comets occasionally pass by the Earth on their way around the Sun.

A "diamond ring" when the Moon moves in between the Earth and Sun.

Stars forming in small groups within dense and dusty stellar nurseries.

Mars is a rocky red planet in the Solar System and our next outer neighbor.

An orbit is the curved trajectory of one object around another.

A transit occurs when a planet on its orbit moves in front of its star.

Polaris is the name for the North star that can be seen on clear winter nights

A cosmic beacon whose radiation cone rotates with precision.

The Milky Way is surrounded by many tiny dwarf satellite galaxies.

Saturn is the 6th planet in our solar system known for its beautiful ring.

The brightest star in the night sky that shimmers blue-white.

Galaxies vigorously produce stars during starburst episodes.

Exoplanets can be discovered from transit observations.