Reach for the stars [Study Guide]

#Science Olympiad [This study guide is specfically designed for only people doing the {Reach for the stars event}

What are the main stages of stellar evolution for low-mass stars?

Low-mass stars evolve from a Red Giant to a White Dwarf.

Which constellation contains the star Sirius?

Canis Major.

What is the life cycle of a star starting from its formation?

Nebula → Protostar → Main Sequence → Red Giant or Supergiant → White Dwarf or Supernova.

What is the purpose of using a rotating star wheel or apps like Stellarium for studying constellations?

To assist in identifying constellations and their associated stars.

Which deep-sky object is known as a stellar nursery?

Nebulae.

What does H-R Diagram stand for and what does it represent?

Hertzsprung-Russell Diagram; it shows the relationship between star luminosity, color, and size.

What is the brightest star in the night sky?

Sirius.

Name the two types of telescopes mentioned in the notes.

Refracting and Reflecting Telescopes.

What is a prominent example of a supernova remnant?

Crab Nebula (M1).

What is Right Ascension (RA) similar to in geographical terms?

Longitude.

Which galaxy is the closest to the Milky Way?

Andromeda Galaxy (M31).

What mnemonic can help you remember the spectral classes of stars?

Oh Be A Fine Girl/Guy, Kiss Me.

During what phase does a star like the Sun become a Red Giant?

In the advanced stages of stellar evolution.

What can you use to practice identifying star positions?

Star charts or astronomy apps.

What does Declination (Dec) relate to in geographical terms?

Latitude.