What are the examples of astronomical phenomena?

Objects of interest include planets, moons, stars, nebulae, galaxies, and comets. Relevant phenomena include supernova explosions, gamma ray bursts, quasars, blazars, pulsars, and cosmic microwave background radiation. More generally, astronomy studies everything that originates beyond Earth’s atmosphere.

What are some astronomical phenomena known to astronomers before the advent of telescopes?

During the times before the invention of the telescope, there were only seven objects visible to the ancients, the Sun and the Moon, plus the five planets, Mercury, Venus, Mars, Jupiter and Saturn.

When was the last time the star of Bethlehem was seen?

1226
The last time this phenomenon occurred was in 1226, in the Middles Ages, and Jupiter and Saturn are not expected to converge in the sky again until 2080.

What are the things in the sky that look like stars but move?

Satellites in orbit look like stars, but they move across the sky, and there are a lot of them visible on any given night.

What do astronomical phenomena mean?

Astronomical Phenomena. Aggregates of matter in outer space, such as stars, planets, comets, etc. and the properties and processes they undergo.

Which of the following astronomical phenomena was the monthly basis for the ancient calendars?

revolution of the Moon
A page from the “Calendars” exhibit… The principal astronomical cycles are the day (based on the rotation of the Earth on its axis), the year (based on the revolution of the Earth around the Sun), and the month (based on the revolution of the Moon around the Earth).

Which of the following explains why astronomers called the planets as Wanderers ‘?

Five planets — Mercury, Venus, Mars, Jupiter, and Saturn were known to the ancients. To the unaided eye, these planets appear starlike. However, the planets moved relative to the stars. For this reason they were called wandering stars.

What does the Star of Bethlehem symbolize?

In Christian tradition, the Star of Bethlehem, also called the Christmas Star, revealed the birth of Jesus to the Biblical Magi, and later led them to Bethlehem. Many Christians see the star as a miraculous sign to mark the birth of the Christ.

Why is it called the Star of Bethlehem?

The Star of Bethlehem, also called the Christmas Star, is a star in the Bible and Christian tradition that let the Magi know that Jesus was born, and later helped them go to Bethlehem. According to the Gospel of Matthew, the star made the magi travel to Jerusalem. The star stopped above the place where Jesus was born.

What do satellites look like in the sky?

Viewing is best away from city lights and in cloud-free skies. The satellite will look like a star steadily moving across the sky for a few minutes. If the lights are blinking, you probably are seeing a plane, not a satellite. Satellites do not have their own lights that make them visible.

Who were the astronomers of the Stone Age?

Astronomy | Ancient astronomers of the stone age Some time after 6,000 years ago, a remarkable community of people arose on this island. They were the megalithic builders – farmers, astronomers and engineers. They left monumental, indelible structures crafted from stone and earth which were to stand the test of aeons of time.

Why should you become an astronomer?

Astronomy remains a vibrant science because something’s always making news. When you’re an amateur astronomer, not only can you read about what’s going on, but you can also participate. In essence, the sky is calling. But how do you start observing the sky? What do you need to know?

What is the moon’s path through the sky called?

Many astronomers know that the moon’s path through the sky, although inclined slightly to the sun’s path, will take it into positions which are shared by the sun at certain times of the year. The points where the imaginary line of the moon’s path crosses the line of the sun’s path are called nodes.

Why is the sky called the celestial sphere?

Next, learn why the sky is the celestial sphere. It has a north pole, an equator, and a south pole. Two sky coordinates exist: Right ascension is like earthly longitude, and declination mimics latitude.