Home > Terms > English, UK (UE) > A star

A star

Star with spectral type A in which the spectrum of the Balmer lines of hydrogen attain their greatest strength. Helium lines can no longer be seen. Some metallic lines are present; in late A stars the H and K lines of ionized calcium appear. A0 stars have a color index of zero.

0
Collect to Blossary

Member comments

You have to log in to post to discussions.

Terms in the News

Featured Terms

Harry8L
  • 0

    Terms

  • 0

    Blossaries

  • 1

    Followers

Industry/Domain: Automotive Category: Vehicle equipment

Driverless car

A new car device, developed by Dr. Raul Rojas and his team from Berlin's Freie University which automatically controls a car. It includes lasers, ...

Featured blossaries

Daisy

Category: Animals   4 1 Terms

Zodiac Characteristics

Category: Religion   1 12 Terms

Browers Terms By Category