Новости из категории: astronet

Comet Dust over Enchanted Rock

Пт, Август 14, 2015 - 8:30

Dusty debris from periodic Comet Swift-Tuttle was swept up by planet Earth this week. Vaporized by their passage through the dense atmosphere at 59 kilometers per second, the tiny grains produced a stream of Perseid meteors. A bright,..

Moonless Meteors and the Milky Way

Чт, Август 13, 2015 - 7:30

Have you watched the Perseid meteor shower? Though the annual shower's predicted peak was last night, meteor activity should continue tonight (August 13/14), best enjoyed by just looking up in clear, dark skies after midnight. Of course,

Milky Way and Exploding Meteor

Ср, Август 12, 2015 - 7:30

Tonight the Perseid Meteor Shower reaches its maximum. Grains of icy rock will streak across the sky as they evaporate during entry into Earth's atmosphere. These grains were shed from Comet Swift-Tuttle.

A Blue Moon Halo over Antarctica

Вт, Август 11, 2015 - 8:30

Have you ever seen a halo around the Moon? Such 22 degree rings around the Moon -- caused by ice crystals falling in the Earth's atmosphere -- are somewhat rare. OK, but have you ever seen a blue moon?

A Sagittarius Triplet

Пн, Август 10, 2015 - 8:30

These three bright nebulae are often featured in telescopic tours of the constellation Sagittarius and the crowded starfields of the central Milky Way. In fact, 18th century cosmic tourist Charles Messier cataloged two of them; M8, the..

HCG 87: A Small Group of Galaxies

Вс, Август 09, 2015 - 7:30

Sometimes galaxies form groups. For example, our own Milky Way Galaxy is part of the Local Group of Galaxies. Small, compact groups, like Hickson Compact Group 87 (HCG 87) shown above, are interesting partly because they slowly..

Curiosity s View

Сб, Август 08, 2015 - 8:30

By planet Earth's calendar, the Curiosity Mars Rover reached its 3rd anniversary on the surface of the Red Planet on August 6. To celebrate, gaze across this dramatic panoramic view of diverse terrain typical of the rover's journey to the..

Астрономическая неделя с 10 по 16 ввгуста 2015 года

Пт, Август 07, 2015 - 16:38

На данной неделе Луна достигнет максимальной либрации по долготе и широте (10 августа), Юпитер проходит в 0,4 гр. севернее звезды Регул (10..

Full Earth, Full Moon

Пт, Август 07, 2015 - 7:30

The Moon was new on July 16. Its familiar nearside facing the surface of planet Earth was in shadow. But on that date a million miles away, the Deep Space Climate Observatory (DSCOVR) spacecraft's Earth Polychromatic Imaging Camera..

Stereo Pluto

Чт, Август 06, 2015 - 8:30

These two detailed, true color images of Pluto were captured during the historic New Horizons flyby last month. With slightly different perspectives on the now recognizeable surface features they are presented in this first high quality

X ray Echoes from Circinus X 1

Ср, Август 05, 2015 - 8:30

Circinus X-1 is an X-ray binary star known for its erratic variability. In the bizarre Circinus X-1 system, a dense neutron star, the collapsed remnant of a supernova explosion, orbits with a more ordinary stellar companion.

Virgo Cluster Galaxies

Вт, Август 04, 2015 - 7:30

Well over a thousand galaxies are known members of the Virgo Cluster, the closest large cluster of galaxies to our own local group. In fact, the galaxy cluster is difficult to appreciate all at once because it covers such a large area on..