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Tue. May 13th, 2025

Swami Vivekananda का 131 साल पुराना भाषण, जिसने पीएम मोदी को हिमालय की राह चुनने के लिए प्रेरित किया; पढ़ें पूरा भाषण

प्रधानमंत्री नरेंद्र मोदी ने शिकागो में 1893 में विश्व धर्म महासभा में Swami Vivekananda द्वारा दिए गए प्रसिद्ध भाषण की 131वीं वर्षगांठ पर उन्हें याद किया। पीएम मोदी ने कहा…

Gaia Reconstructs a Top View of our Galaxy (2025-05-13)

What does our Milky Way Galaxy look like from the top? Because we are on the inside, humanity can’t get an actual picture. Recently, however, just such a map has been made using location data for over a billion stars from ESA’s Gaia mission. The resulting featured illustration shows that just like many other spiral galaxies, our Milky Way has distinct spiral arms. Our Sun and most of the bright stars we see at night are in just one arm: Orion. Gaia data bolsters previous indications that our Milky Way has more than two spiral arms. Our Galaxy's center sports a prominent bar. The colors of our Galaxy's thin disk derive mostly from dark dust, bright blue stars, and red emission nebula. Although data analysis is ongoing, Gaia was deactivated in March after a succession mission. Jigsaw Challenge: Astronomy Puzzle of the Day

Gaia Reconstructs a Side View of our Galaxy (2025-05-12)

What does our Milky Way Galaxy look like from the side? Because we are on the inside, humanity can’t get an actual picture. Recently, however, just such a map has been made using location data for over a billion stars from ESA’s Gaia mission. The resulting featured illustration shows that just like many other spiral galaxies, our Milky Way has a very thin central disk. Our Sun and all the stars we see at night are in this disk. Although hypothesized before, perhaps more surprising is that the disk appears curved at the outer edges. The colors of our Galaxy's warped central band derive mostly from dark dust, bright blue stars, and red emission nebulas. Although data analysis is ongoing, Gaia was deactivated in March after a successful mission. Explore Your Universe: Random APOD Generator

The Surface of Venus from Venera 14 (2025-05-11)

If you could stand on Venus -- what would you see? Pictured is the view from Venera 14, a robotic Soviet lander which parachuted and air-braked down through the thick Venusian atmosphere in March of 1982. The desolate landscape it saw included flat rocks, vast empty terrain, and a featureless sky above Phoebe Regio near Venus' equator. On the lower left is the spacecraft's penetrometer used to make scientific measurements, while the light piece on the right is part of an ejected lens-cap. Enduring temperatures near 450 degrees Celsius and pressures 75 times that on Earth, the hardened Venera spacecraft lasted only about an hour. Although data from Venera 14 was beamed across the inner Solar System over 40 years ago, digital processing and merging of Venera's unusual images continues even today. Recent analyses of infrared measurements taken by ESA's orbiting Venus Express spacecraft indicate that active volcanoes may currently exist on Venus. Jigsaw Fun: Astronomy Puzzle of the Day

Yogi and Friends in 3D (2025-05-10)

This picture from July 1997 shows a ramp from the Pathfinder lander, the Sojourner robot rover, deflated landing airbags, a couch, Barnacle Bill and Yogi Rock appear together in this 3D stereo view of the surface of Mars. Barnacle Bill is the rock just left of the house cat-sized, solar-paneled Sojourner. Yogi is the big friendly-looking boulder at top right. The "couch" is the angular rock shape visible near center on the horizon. Look at the image with red/blue glasses (or just hold a piece of clear red plastic over your left eye and blue or green over your right) to get the dramatic 3D perspective. The stereo view was recorded by the remarkable Imager for Mars Pathfinder (IMP) camera. The IMP had two optical paths for stereo imaging and ranging and was equipped with an array of color filters for spectral analysis. Operating as the first astronomical observatory on Mars, the IMP also recorded images of the Sun and Deimos, the smallest of Mars' two tiny moons.

IXPE Explores a Black Hole Jet (2025-05-09)

How do black holes create X-rays? Answering this long-standing question was significantly advanced recently with data taken by NASA’s IXPE satellite. X-rays cannot exit a black hole, but they can be created in the energetic environment nearby, in particular by a jet of particles moving outward. By observing X-ray light arriving from near the supermassive black hole at the center of galaxy BL Lac, called a blazar, it was discovered that these X-rays lacked significant polarization, which is expected when created more by energetic electrons than protons. In the featured artistic illustration, a powerful jet is depicted emanating from an orange-colored accretion disk circling the black hole. Understanding highly energetic processes across the universe helps humanity to understand similar processes that occur on or near our Earth. Put it All Together: Astronomy Puzzle of the Day

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Swami Vivekananda का 131 साल पुराना भाषण, जिसने पीएम मोदी को हिमालय की राह चुनने के लिए प्रेरित किया; पढ़ें पूरा भाषण

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Swami Vivekananda का 131 साल पुराना भाषण, जिसने पीएम मोदी को हिमालय की राह चुनने के लिए प्रेरित किया; पढ़ें पूरा भाषण

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दिल्ली में RSS का नया ऑफिस ₹150 करोड़ में बनकर तैयार

“Kartik Aaryan की ‘भूल भुलैया 3’ का टीजर आया, दिवाली पर रिलीज के लिए तैयार”

Delhi के वसंतकुंज में एक परिवार की सामूहिक आत्महत्या: पिता ने चार दिव्यांग बेटियों के साथ जान दी