Planetary nebula Current Affairs, GK & News

Planetary Nebula

Planetary Nebula is a type of Emission Nebula. Emission Nebula is nothing but ionized gases. These ionized gases emit light of different wavelengths. The Planetary Nebula consists of ionized gases that are ejected from red giant stars. Who discovered Planetary Nebula? Planetary Nebula was discovered by Charles Messier in 1764. The first planetary nebula was ..

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Hubble Telescope Observes Prawn Nebula

The Hubble Telescope has observed “Prawn Nebula”, which is a massive stellar nursery located around 6,000 light-years away in Scorpius constellation. Key Points Astronomers classify the Prawn Nebula as an emission nebula, meaning that its gas has been energized, or ionized, by the radiation of neighbouring stars. Radiation from these massive stars catches electrons from ..




Helium hydride ion to be the first molecule detected in space

NASA’s flying observatory SOFIA has detected Helium hydride ion (HeH+), the first molecule that formed almost 14 billion years ago towards a planetary nebulae. It is the first type of molecule that formed in the universe after the Big Bang. At that time, ionised hydrogen and neutral helium atoms reacted to form Helium hydride ion. ..