A supernova occurs when a star violently explodes at the end of its lifetime. The Pinwheel Galaxy is in the direction of the Ursa Major constellation, about 21 million light-years from Earth.

By Ashley Strickland, CNN (CNN) — A sparkling new supernova has appeared in the night sky, and a telescope atop Mauna Kea in Hawaii was perfectly poised to capture the aftermath of the cosmic burst.

In other cases, another member of the system will go on to form a second white dwarf. If gravitational instabilities bring ...

For now, this new wealth of supernova observations marks a significant step forward in understanding the universe’s history—and its fate. Note: Materials provided above by The Brighter Side of ...

(CNN) — A sparkling new supernova has appeared in the night sky, and a telescope atop Mauna Kea in Hawaii was perfectly poised to capture the aftermath of the cosmic burst.

CBS News Sacramento Live. A sparkling new supernova has appeared in the night sky, and a telescope atop Mauna Kea in Hawaii was perfectly poised to capture the aftermath of the cosmic burst.. The ...

By Ashley Strickland, CNN (CNN) — A sparkling new supernova has appeared in the night sky, and a telescope atop Mauna Kea in Hawaii was perfectly poised to capture the aftermath of the cosmic burst.

(CNN) — A sparkling new supernova has appeared in the night sky, and a telescope atop Mauna Kea in Hawaii was perfectly poised to capture the aftermath of the cosmic ...

A sparkling new supernova has appeared in the night sky, and a telescope atop Mauna Kea in Hawaii was perfectly poised to capture the aftermath of the cosmic burst.

By Ashley Strickland, CNN (CNN) — A sparkling new supernova has appeared in the night sky, and a telescope atop Mauna Kea in Hawaii was perfectly poised to capture the aftermath of the cosmic ...