Home > Terms > Serbo Croatian (SH) > astromomski sumrak

astromomski sumrak

The time when the Sun is 12-18 degrees below the horizon. When the Sun moves from 19 to 18 degrees below the horizon, astronomers can begin to detect an increase in the brightness of the sky, although to the naked eye the sky still looks dark.

0
Cải thiện
  • Loại từ: noun
  • Từ đồng nghĩa:
  • Blossary:
  • Ngành nghề/Lĩnh vực: Astronomy
  • Category: Planetary science
  • Company: PSRD
  • Sản phẩm:
  • Viết tắt-Từ viết tắt:
More
Thêm vào Bảng chú giải thuật ngữ của tôi

Ngôn ngữ khác:

More

Bạn muốn nói gì?

Bạn phải đăng nhập để gửi thảo luận.

Thuật ngữ liên quan

sumrak
Aerospace; Space flight

For technical definition, please follow this link to the U.S. Naval Observatory Astronomical Applications website.

nautički sumrak
Astronomy; Planetary science

The time when the Sun is 6-12 degrees below the horizon. Sky begins to get noticeably bright.

astronomski sumrak
Aerospace; Space flight

For technical definition, please follow this link to the U.S. Naval Observatory Astronomical Applications website.

Nautički sumrak
Aerospace; Space flight

For technical definition, please follow this link to the U.S. Naval Observatory Astronomical Applications website.

građanski sumrak
Aerospace; Space flight

For technical definition, please follow this link to the U.S. Naval Observatory Astronomical Applications website.

Ceres
Astronomy; Planetary science

The largest of the known asteroids; a dwarf planet. Also called 1 Ceres because it was the first asteroid to be discovered (by Piazzi in 1801).

Jarkovski efekat
Astronomy; Planetary science

An explanation for the shift in an asteroid's orbit around the Sun due to a thermal thrust caused by the body's uneven heating by sunlight. The illuminated side of an asteroid ...

Viking
Astronomy; Planetary science

U. S. Mission to Mars, composed of two spacecraft, launched in 1975. Viking 1 and Viking 2 both consisted of an orbiter and a lander. Primary mission objectives were to obtain ...

sublimacija
Astronomy; Planetary science

Phase transformation from solid to gas.

Misija Stardust
Astronomy; Planetary science

The fourth in NASA's Discovery program of low-cost spacecraft with highly focused science goals, Stardust was comprised of a spacecraft and capsule that completed a seven-year, ...

Solarna i heliosfericna observatorija
Astronomy; Planetary science

A project of international collaboration between ESA and NASA to study the Sun from its deep core to the outer corona and the solar wind. SOHO was launched in December, 1995. SOHO ...

Terms in the News

Featured Terms

sonjap
  • 0

    Terms

  • 0

    Bảng chú giải

  • 2

    Followers

Ngành nghề/Lĩnh vực: People Category: Musicians

Majkl Džekson

Dubbed the Kind of Pop, Michael Joseph Jackson (August 29, 1958 – June 25, 2009) was a celebrated American music artist, dancer, and ...

Người đóng góp

Featured blossaries

CERN (European Organization for Nuclear Research)

Chuyên mục: Science   2 2 Terms

Argentina National Football Team 2014

Chuyên mục: Sports   2 23 Terms

Browers Terms By Category

THUẬT NGỮ

XÃ HỘI

BỔ SUNG

GIẢI PHÁP