Astronomy Flashcard

Front

What is the mass of Teide 1 compared to Jupiter?

Back

Teide 1 has a mass of 50 times that of Jupiter.

Front

What analogy is used to explain reflexive motion?

Back

The analogy of two kids spinning around while holding hands is used to explain reflexive motion.

Front

How many Earth-like planets are estimated to exist in our galaxy?

Back

There are more than 10 billion Earth-like planets estimated to exist in our galaxy.

Front

What is the term used to describe the motion of a star making a small circle due to the gravitational pull of a planet?

Back

The term is Reflexive Motion.

Front

In what year was Gliese 229b discovered?

Back

Gliese 229b was discovered in 1995.

Front

What is the definition of reflexive motion in astronomy?

Back

Reflexive motion refers to the small circular motion of a star caused by the gravitational influence of an orbiting planet.

Front

What is the significance of the mass of a star in relation to its planets?

Back

The mass of a star affects the gravitational pull it exerts on its planets, influencing their orbits and stability.

Front

What is the difference between elliptical motion and circular motion?

Back

Elliptical motion involves an elongated path, while circular motion follows a perfect circle.

Front

What is the role of gravity in the formation of planetary systems?

Back

Gravity pulls together gas and dust to form stars and planets, creating a stable system.

Front

What is the importance of discovering Earth-like planets?

Back

Discovering Earth-like planets helps in the search for extraterrestrial life and understanding planetary formation.