answersLogoWhite

0

Astronomy

User Avatar

Nakia Fritsch

Lvl 10
4y ago
No Reviews
Leave the first rating

Rate this Study Guide:

Cards in this guide (12)
The hottest part of the sun

The very center of the core, where nuclear fusion is occurring; millions of degrees.

Active magnetic eruptions that burst into space from the surface of the sun are called

solar flares.

What animal represented in this constellation was killed by Hercules

draco A+

;)

Which of these gases is present in the greatest percentage in the composition of the sun

Hydrogen

Thank you

These seem to occur in eleven-year cycles

SunSpots

The layer of the sun's atmosphere that is responsible for flares spicules and prominences

chromosphere

One of the first written accounts to mention constellations was the poem Phaenomena Who wrote this poem

Aratus.

During the solar nuclear reaction what four nuclei bond together

hydrogen

How can stars have different absolute brightness

Big stars are brighter than small stars, and hot stars are brighter than cool ones.

What has the solid center portion of a comet

The center of a comet is called its nucleus.

Which constellation contains the famous butterfly star cluster

The cluster is in scorpius.

Which of these stars is a super giant

when does Halley's Comet passes by the earth every

Related study guides