SN 2015F is a Type Ia supernova that erupted on March 9, 2015, inside the spiral galaxy N… — @holvek

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@holvek's TikTok video "SN 2015F is a Type Ia supernova that erupted on March 9, 2015, inside the spiral galaxy NGC 2442, located in the constellation Volans. The explosion resulted from the thermonuclear destruction of a white dwarf star that accumulated too much mass from a companion star, triggering a runaway reaction. Peaking at a visual magnitude of 12.9, it temporarily outshone its entire host galaxy and became the brightest supernova discovered that year. The light from this cosmic cataclysm traveled approximately 50 to 55 million years to reach Earth. Because astronomers caught the flash at an incredibly early stage, they were able to track the behavior of the stellar debris immediately following the explosion. The blast released a rapidly expanding cloud of heavy chemical elements that will eventually serve as the building blocks for future generations of stars and planets. For astrophysicists, SN 2015F served as a vital "standard candle" — a cosmic milestone with a known intrinsic brightness. Scientists utilized its fading light curve to accurately calibrate intergalactic distance scales and further refine our understanding of the universe's expansion rate. Additionally, studying this event within the asymmetrical arms of NGC 2442 provided new insights into how galactic environments influence the frequency of such stellar explosions. #supernova #physics #astro #Astronomy" has 286,199 views, 38,093 likes, 670 comments, 2,843 shares in the public metrics captured by this index. That is an engagement rate of 14.54% (likes, comments and shares over views). It was posted over two weeks ago and runs 15 seconds. It has been saved 7,671 times.

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How many views does this TikTok video have?

The capture indexed here reports 286,199 views, 38,093 likes and 670 comments.

Who posted this TikTok video?

It was posted by @holvek, who is linked from this page.

What is this TikTok video's engagement rate?

Across the captured metrics the engagement rate is 14.54% (likes + comments + shares over views).

When was this TikTok video posted?

It was posted on 2026-10-13, over two weeks ago.

What hashtags are used in this video?

The capture links 4 hashtags, starting with #astro.

How long is this TikTok video?

The captured clip runs 15 seconds.