The three large pyramids on the Giza plateau are lined up with three stars that make up the constellation of Orion's Belts.
Astronomers in Vietnam can observe the rain of Orionids reaching the peak on the night of 20, dawn on October 21.
This year, if the weather permits, we will be able to see many long and bright shooting stars with a density of about 20 meteors per hour.
In the dawn of October 21, Vietnamese astronomers could observe Orionids meteor shower - a medium-sized meteor shower with about 20-30 meteors per hour.
Astronomers of the ALMA Observatory, Chile, recorded brilliant moments like fireworks when the two stars collided 500 years ago, creating a giant explosion.
Scientists have discovered a strange star ring around the super-star Kappa Ori.
From 0-4 hours on October 22, 2012, Vietnamese astronomers can admire the meteor shower Orionids with about 25-30 meteors every hour.