Sedna Large Minor Planet/Planets Song / Solar System Song

The video introduces Sedna, a large minor planet discovered in 2003 by astronomers Michael Brown, Chad Trujillo, and David Rabinowitz. Named after the Inuit goddess of the sea, Sedna is a dwarf planet candidate located in the far reaches of our solar system. It orbits at a distance of about 84 billion miles from the sun, making it difficult to see. Sedna is the second reddest object in the solar system, after Mars, and is three-quarters the size of Pluto. It resides in the coldest region of the solar system, with temperatures around -240°C.

Who were the astronomers responsible for discovering Sedna?

• Michael Brown, Chad Trujillo, and Dave Rabinowitz

• Carl Sagan, Neil deGrasse Tyson, and Brian Cox

• Edwin Hubble, Stephen Hawking, and Albert Einstein

• Galileo Galilei, Johannes Kepler, and Isaac Newton

What is the origin of Sedna's name?

• A Roman goddess of love

• A Greek god of the sea

• An Inuit goddess of the sea

• A Norse god of thunder

How does Sedna's distance from the sun compare to other objects in the solar system?

• It is the closest to the sun

• It is the same distance as Earth

• It is further than Pluto

• It is closer than Mars

Which planet is the reddest object in our solar system?

• Sedna

• Jupiter

• Pluto

• Mars

What is the temperature in Sedna's region of the solar system?

• 100°C

• -240°C

• -100°C

• 0°C