This a presentation of an argumentative.

3. Introduction
 Belonging to another planet or galaxy. Extraterrestrial life is
defined as life that does not originate from Earth. Aliens are
more or less advance in technology than us.
 A UFO is technically an "unidentified flying object,“.
Any object that flies and cannot initially be identified
as an airplane, helicopter, blimp, balloon, kite, or any
other object that normally flies, is a UFO.

4. Introduction
 Belonging to another planet or galaxy. Extraterrestrial life is
defined as life that does not originate from Earth. Aliens are
more or less advance in technology than us.
 A UFO is technically an "unidentified flying object,“.
Any object that flies and cannot initially be identified
as an airplane, helicopter, blimp, balloon, kite, or any
other object that normally flies, is a UFO.

5. The Huge Universe
 There are probably more than 170 billion (1.7 × 1011) Galaxies in the
observable Universe.
 The is approximately 1.07 billion light years away
from the MW and at least 60 times as large as the Milky Way. It also
contains about 100 trillion stars
 The is estimated to have only about 500,000 stars
making it the smallest galaxy in the Universe.
 The galaxy is approximately 100,000 light-years (30 kilo
parsecs, 9×1017 km) in diameter. at least 200-400 billion stars, at least 50
billion planets