As long as human beings have been looking up at the sky, they have known it is shiny, so it cannot be specifically said who saw it first. It was in prehistoric times.
Algol has been visible in the night sky for over 300 million years. It would have been seen by the first creatures who looked up into the night sky. So no one can be said to have discovered Algol.
Rigel is a binary star system. It was discovered by F.G.W. Struve in 1831. It is the third brightest star system in the night sky.
The star Rigel was not discovered by a single individual as it has been visible in the night sky for thousands of years. Its brightness and prominence have made it well-known to ancient civilizations around the world.
Venus has been known since ancient times due to its brightness and visibility in the night sky. It was observed and recorded by various civilizations, including the Babylonians, Greeks, and Romans. The first telescopic observations of Venus were made by Galileo Galilei in the early 17th century.
Yes, that is often possible. Preferably go to an area without streetlights and watch the sky. You will soon see fast moving shiny objects. These are satellites.
This may sound silly - but "by looking up in the sky". Supernova SN185 remained visible in the night sky for eight months
A loooooong time ago; it is visible in the night sky without telescope, so it was discovered by the mestopatanians.
== == Ancient man looked up into the night sky and saw it, a swathe of lighter colored sky that looked like milk spilled on a dark table.
Mars was not discovered. Ancient humans could see it any time they raised their eyes to the night sky. It is about the same as discovering clouds. no not really
Deneb has been known since ancient times and is one of the brightest stars in the night sky. Its discovery cannot be attributed to a specific date or event as it has always been visible to observers in the northern hemisphere.
Sky pillar.
Venus has been known to mankind since ancient times, as this planet is easily discernible in the night sky. Therefore, Venus was not discovered by any scientist.