Celestial Phenomena and Nova Explosions

What makes the celestial event in 2024 particularly special?

• It will occur during a total solar eclipse.

• It will be visible to the naked eye for the first time in eight decades.

• It will be the first time a star system is visible from Earth.

• It will be the brightest star ever seen in the sky.

Which constellation will T Corona Borealis outshine during its Nova Outburst?

• Orion

• Ursa Major

• Corona Borealis

• Cassiopeia

What triggers a Nova explosion?

• Mass transfer between a white dwarf and a companion star.

• A single star running out of fuel.

• A collision between two stars.

• A star being hit by a comet.

What is the main difference between a Nova and a Supernova?

• A Nova occurs in the daytime, while a Supernova occurs at night.

• A Nova brightens a star temporarily, while a Supernova destroys it.

• A Nova involves a single star, while a Supernova involves multiple stars.

• A Nova is a one-time event, while a Supernova can recur.

What is the significance of the Chandra sakar limit in a Supernova?

• It is the temperature at which a star explodes.

• It determines the brightness of a Nova.

• It is the mass limit beyond which a white dwarf collapses.

• It is the distance from Earth where a Supernova can be seen.

How often do recurrent Novas like T Corona Borealis occur?

• Every 100 years

• Every 10 years

• Every 50 years

• Every 80 years

What is the expected brightness of T Corona Borealis during its Nova Outburst?

• As bright as Venus

• As bright as Polaris, the North Star

• As bright as the Moon

• As bright as the Sun

Which star is a potential candidate for a future Supernova?

• Betelgeuse

• Vega

• Proxima Centauri

• Sirius

What unusual behavior has Betelgeuse exhibited recently?

• It has become much brighter.

• It has changed color to blue.

• It has shown a marked dip in brightness.

• It has started to move rapidly across the sky.

When was the last Supernova observed in the Milky Way galaxy?

• In the 17th century

• In the 18th century

• In the 19th century

• In the 20th century