магматски океан

магматски океан

Term used to describe the layer of magma, hundreds of kilometers thick; thought to have covered the Moon 4. 5 billion years ago. The timing, duration, cooling rates, convection, partial melting, lateral and vertical chemical variations, and overturn of the lunar magma ocean are topics of continuing research.

0 0

Cải thiện

Thêm hình ảnh

Loại từ: noun
Từ đồng nghĩa:
Blossary:
Ngành nghề/Lĩnh vực: Astronomy
Category: Planetary science
Company: PSRD
Sản phẩm:
Viết tắt-Từ viết tắt:

Thêm vào Bảng chú giải thuật ngữ của tôi

Ngôn ngữ khác:

Thuật ngữ liên quan

океан

Geography; Geography

An ocean is a large body of salt water that surrounds a continent. Oceans cover more the two-thirds of the Earth's surface

океан

Water bodies; Oceans

The ocean covers nearly 71% of the Earth’s surface and is divided into major oceans and smaller seas. The three principal oceans, the Pacific, Atlantic, and Indian, are largely ...

океан

Geography; Physical geography

A body of saline water found occupying all or part of the Earth's ocean basins. There are five recognized oceans: the Atlantic, the Southern Ocean, the Pacific Ocean, the Indian ...

метеорит

Astronomy; Planetary science

A natural solid object (metallic or stony/silicate) larger than 10 µm (microns) that has traveled through space, by natural means from the celestial body on which it formed, and ...

хелиум

Astronomy; Planetary science

An element with atomic number 2; symbol: He. It is the second most common element in the Sun and outer planets, but rare on the rocky planets.

кратер

Astronomy; Planetary science

A hole or depression. Most are roughly circular or oval in outline. On Earth most natural craters are of volcanic origin. On the Moon most are of impact origin.

негравитациони сили

Astronomy; Planetary science

Forces that alter the path of a comet, which are not caused by gravitational interaction with the Sun and planets. Typically this refers to uneven outgassing from vents on the ...

астронаут

Astronomy; Planetary science

Person engaged in or trained for spaceflight.

азот

Astronomy; Planetary science

An element with atomic number 7; symbol: N. It is common in Earth's atmosphere and along with hydrogen, carbon, and oxygen is essential for life.

Terms in the News

Featured Terms

zocipro

0
Terms
0
Bảng chú giải
18
Followers

Ngành nghề/Lĩnh vực: Holiday Category: National holidays

Канада Ден

Канада ден го слави на Сојузот на трите британски колонии (Нова Шкотска, Њу Бранзвик, и провинција на Канада) во она што е денешна Канада. Британскиот ...