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You entered: radar
![Равная ночь](https://images.astronet.ru/pubd/2005/03/20/0001204881/sun2_sts68.preview.jpg)
20.03.2005
Today, the Sun crosses the celestial equator heading north, marking the Vernal Equinox -- the first day of spring in the Northern Hemisphere and autumn in the south. Equinox means equal night and with the Sun on the celestial equator, Earthlings will experience 12 hours of daylight and 12 hours of darkness.
!["Мессенджер" показывает Меркурий](https://images.astronet.ru/pubd/2008/10/13/0001231348/mercuryflyby2_messenger.preview.jpg)
8.10.2008
The planet Mercury has been known since history has been recorded, but parts of the Solar System's innermost planet have never been seen like this before. Two days ago the robotic MESSENGER spacecraft buzzed past Mercury for the second time and imaged terrain mapped previously only by comparatively crude radar.
![Жесткая посадка аппарата "Дженезис"](https://images.astronet.ru/pubd/2009/07/06/0001235417/genesisimpact_nasa.preview.jpg)
5.07.2009
A flying saucer from outer space crash-landed in the Utah desert in 2004 after being tracked by radar and chased by helicopters. No space aliens were involved, however. The saucer, pictured above, was the Genesis sample return capsule, part of a human-made robot Genesis spaceship launched in 2001 by NASA itself to study the Sun.
!["Мессенджер" показывает Меркурий](https://images.astronet.ru/pubd/2017/07/23/0001386604/mercuryflyby2_messenger_960.preview.jpg)
23.07.2017
Mercury had never been seen like this before. In 2008, the robotic MESSENGER spacecraft buzzed past Mercury for the second time and imaged terrain mapped previously only by comparatively crude radar. The featured image was recorded as MESSENGER looked back 90 minutes after passing, from an altitude of about 27,000 kilometers.
![Астероид 216 Клеопатра в форме косточки](https://images.astronet.ru/pubd/2006/11/08/0001217400/kleo_arecibo.preview.gif)
10.05.2000
An asteroid the size of New Jersey that orbits the Sun between Mars and Jupiter has been discovered to have an unusual dog-bone shape. Asteroid 216 Kleopatra, recently mapped with Earth-based radar, reflects radio waves so well that astronomers speculate it is composed mostly of metals such as nickel and iron.
![Венера: покрытая облаками сестра Земли](https://images.astronet.ru/pubd/2004/05/17/0001198062/venus2_gal.preview.jpg)
16.05.2004
This picture by the Galileo spacecraft shows just how cloudy Venus is. Venus is very similar to Earth in size and mass - and so is sometimes referred to as Earth's sister planet - but Venus has a quite different climate.
![Чжучжун: новый марсоход](https://images.astronet.ru/pubd/2021/06/15/0001744022/ZhurongRover_CNSA_1080.preview.jpg)
15.06.2021
There's a new rover on Mars. In mid-May, China's Tianwen-1 mission delivered the Zhurong rover onto the red planet. As Mars means Planet of Fire in Chinese, the Zhurong rover's name means, roughly, God of Fire in Chinese mythology.
![Разлом Сан Андреас](https://images.astronet.ru/pubd/2000/12/20/0001163809/sanandreasfault_srtm_big.preview.gif)
7.12.2000
The Earth's surface is broken. Cracks in the Earth's crust known as faults can run for hundreds of kilometers. These faults are frequently the sites of major earthquakes as the tectonic plates that cover the surface of the Earth shift.
![Астероид 1999 JM8 очень близко!](https://images.astronet.ru/pubd/2007/02/02/0001220594/1999JM8_goldstone_big.preview.gif)
1.09.1999
Nearly four kilometers across, the huge rock known as 1999 JM8 silently passed only 8.5 million kilometers from the Earth in early August. The small asteroid was completely unknown before May. Every few centuries, a rock like this impacts the Earth, with the potential to disrupt modern civilization.
![Вулкан на Венере](https://images.astronet.ru/pubd/2020/10/27/0001704553/VenusVolcano_NasaRubin_1080.preview.jpg)
27.10.2020
What would an erupting volcano on Venus look like? Evidence of currently active volcanoes on Venus was announced earlier this year with the unexplained warmth of regions thought to contain only ancient volcanoes. Although...
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