What can be learned from a future supernova neutrino detection?

Simultaneous with the growth of neutrino detection capability, our understanding of how massive stars explode and how the neutrino interacts with hot and dense matter has also increased by a tremendous degree. …

How long would it take to see Betelgeuse supernova?

In late 2019, Betelgeuse, the star that forms the left shoulder of the constellation Orion, began to noticeably dim, prompting speculation of an imminent supernova. If it exploded, this cosmic neighbor a mere 700 light-years from Earth would be visible in the daytime for weeks.

What would the sky look like if Betelgeuse went supernova?

If it does go supernova, it will be nearly as bright in the sky as the full moon and will glow for months before its embers fade. If you are in a dark enough place on Earth during that time, it might even be possible to see your shadow cast by its last light.

What would happen if our sun went supernova?

If the Sun went supernova it would have a much more dramatic effect. We would have no ozone. With no ozone, skin-cancer cases would skyrocket. All living things would suffer from severe radiation burns, unless they were underground or in protective suits.

What importance did neutrinos have for observations of SN 1987A?

SN 1987A appears to be a core-collapse supernova, which should result in a neutron star given the size of the original star. The neutrino data indicate that a compact object did form at the star’s core. Since the supernova first became visible, astronomers have been searching for the collapsed core.

What will happen to Orion when Betelgeuse explodes?

The explosion of Betelgeuse would be bright enough to cast shadows at night. It would even be visible during the day. The explosion would slowly fade in the coming months. After a year, the Shoulder of Orion would disappear from the naked eye.

When Betelgeuse becomes a supernova the first evidence that reaches the earth will be?

In 2020, if Betelgeuse were to go supernova, our first surefire signature would come in the form of high-energy neutrinos flooding our neutrino detectors all over the world in a burst spanning some 10-15 seconds.

Is Betelgeuse going supernova in 2022?

It was getting less bright, and less visible in night sky. It started getting dimmer very quickly and on 2020, it was concluded that “Betelgeuse has lost it’s fuel and is now a dying Star”. As in case of most of the dying stars, Betelgeuse was estimated to blow up and form a supernova by May 2022.

How do scientists detect neutrinos?

Scientists can use many different kinds of materials to detect neutrinos, from mineral oil and dry cleaning fluid to Antarctic ice and water. Because neutrinos are neutral and so small, it is impossible to detect them directly.

What are the advantages of electron-neutrinos?

They also have the advantage that they “flavour-tag” the neutrino: if an electron is produced, it came from an electron-neutrino.

How does neneutrino work?

Neutrino physicists will select the most appropriate technology for the aims of their particular experiment. The lowest energy thresholds are provided by radiochemical experiments, in which the neutrino is captured by an atom which then (through inverse beta decay, a charged-current interaction) converts into another element.

Can a neutrino be born as a different flavor?

A neutrino born as one flavor (electron, muon, or tau neutrino) will eventually morph into the other varieties—and the probability of appearing as a different flavor depends on how far it has gone. Oscillations are a result of quantum mechanics, or the weird way things work at very small scales.