Top Tweets for #AstroOTD
🌠#AstroOTD: Spectacular Leonid Meteor Storm of 1833
On Nov. 13, 1833, the night sky transformed into a breathtaking canvas as a meteor storm filled it with over 72,000 meteors/hr. Imagine a storm of falling stars illuminating the darkness and leaving observers in awe.
[THREAD]
![earthshakerph's tweet photo. 🌠#AstroOTD: Spectacular Leonid Meteor Storm of 1833
On Nov. 13, 1833, the night sky transformed into a breathtaking canvas as a meteor storm filled it with over 72,000 meteors/hr. Imagine a storm of falling stars illuminating the darkness and leaving observers in awe.
[THREAD] https://t.co/qVYwnSbbQW](https://pbs.twimg.com/media/F-yuiR9agAAuCZ0.png)
#AstroOTD
On this day in 1865, German astronomer Johannes Franz Hartmann was born. The "Hartmann mask", a tool for focusing #telescopes & #lenses, is named after him. https://t.co/Z5ZNq0uj4E
Image: Hartmann mask on a #Canon DSLR lens, by @astroholgi & @xipteras #Astrophotography
#AstroOTD VIKING 1: TUNGO SA PULANG PLANETA🚀
Noong Agosto 20, 1975, inilunsad ng NASA ang Viking 1 sa kalawakan. Matapos ang isang taon, ito ang naging kauna-unahang spacecraft na nakalapag at nakapag-aral sa ibabaw ng Mars!
Basahin: https://t.co/ObWI69kDCo
#AstroOTD VOYAGER 2: ANG SIMULA NG PAGLALAKBAY🚀
Ngayong araw ay 44 taon nang naglalakbay ang @NASAVoyager 2! Ito ang tanging spacecraft na nakalapit sa Jupiter, Saturn, Uranus, at Neptune, at ang ikalawang na umabot sa "Interstellar Space".
Basahin:https://t.co/Ious5c848e
#AstroOTD TAGUMPAY NG SPUTNIK 5 (LAMBDA 1)🐕
Matapos ang ilang pumalyang misyon, matagumpay na nakapagpadala ang USSR ng mga hayop sa kalawakan noong Agosto 19, 1960, at naibalik na buhay kinabukasan. Ito ang nagbigay daan upang ituloy na ang pagpapadala ng tao sa kalawakan.
#AstroOTD Nadiskubre ang Helium
Noong Agosto 18, 1868, isang matingkad na dilaw na linya sa spectrum ang nakita ni Pierre Janssen habang inoobserbahan ang araw sa Guntur, India. Ang "wavelength" nito ay iba sa mga nakita niya noon, at kinalaunang napag-alaman na Helium (He).
#AstroOTD Maligayang Kaarawan, Ångström!🎂
Ngayong araw ay ipinagdiriwang natin ang ika-207 na kaarawan ni Anders Jonas Ångström (1814-1874), kilala bilang isa sa mga nagtaguyod ng "spectroscopy" - mas nagbigay linaw sa mga katangian ng liwanag!
Basahin: https://t.co/uJ3HeP6CQo
#AstroOTD Maligayang Kaarawan (o hindi), Erwin Schrödinger!🎂
Ngayong araw ay ipinagdiriwang natin ang ika-134 kaarawan ni Erwin Schrödinger (1887-1961), kilala sa kanyang mga pag-aaral sa "quantum theory" (Schrödinger equation) na nagpapanalo sa kanya ng Nobel Prize noong 1933.
#AstroOTD Umabot na rin ang Delta sa Kalawakan🚀
Noong Agosto 12, 1960, matagumpay na nakaabot ang kauna-unahang Delta Rocket sa kalawakan at nailagay ang orbit ang Echo 1A, ang pinakaunang communications satellite.
Basahin: https://t.co/jX9EYRrvWy
#AstroOTD MALIGAYANG KAARAWAN, NEIL ARMSTRONG!
Ngayong araw ay ipinagdiriwang natin ang ika-91 anibersaryo ng kapanganakan ni Neil Alden Armstrong (1930-2012), ang NASA astronaut na naging kauna-unahang taong nakaapak sa buwan noong 1969!
Basahin: https://t.co/9FpsXfhZHh
#AstroOTD 50TH ANNIVERSARY OF MOON BUGGY'S DEBUT
On this day in 1971, the Lunar Roving Vehicle (LRV) was first used by Apollo 15 astronauts on the Moon. In its debut, the LRV was used for 3 hours and travelled around 27.8 km across Hadley-Apennine.
More: https://t.co/tWhsoxr1vN
#AstroOTD NASA LAUNCHES MARS 2020 MISSION🚀
On this day in 2020, the Mars 2020 spacecraft was launched into space from Florida, USA. This carried the Perseverance Rover and Ingenuity Helicopter on their nearly 7-month journey to the Red Planet.
Read: https://t.co/VByBd8bNoy
#AstroOTD HAPPY BIRTHDAY, DR. SHEIKH SHUKOR!👨🚀
On this day in 1972, Sheikh Muszaphar Shukor, an orthopedic surgeon and the first Malaysian in space, was born in Kuala Lumpur, Malaysia. He went to the ISS, aboard Soyuz TMA-11, in October 2007.
More: https://t.co/Csii5c9WLL
#AstroOTD SYNCOM 2 LAUNCHED INTO SPACE
On this day in 1963, NASA launched Syncom 2, the world's first geosynchronous communications satellite, into space. This pioneered satellite-based long-distance telecommunications and television transmissions.
More: https://t.co/W179UlSlsf
#AstroOTD THE EAGLE HAS LANDED!
On this day in 1969, NASA's Apollo 11 Eagle Lunar Module successfully landed on the Moon. The historic landing fulfilled US Pres. Kennedy's dream of sending men on the Moon before the end of the decade.
Read:https://t.co/vBzaHhwdzj
#AstroOTD APOLLO AND SOYUZ MEET IN SPACE
On this day in 1975, the US Apollo astronauts and the USSR cosmonauts docked while in outer space - a moment considered as the end of the two countries' competitive "space race."
#AstroOTD MARINER 4 BECOMES THE FIRST SPACECRAFT TO REACH MARS
On this day in 1965, NASA's Mariner 4 makes its closest approach to Mars - taking the very first photos of another planet from space. The space probe observed Mars from a distance of around 10,000 kilometers.
#AstroOTD NASA'S NEW HORIZONS REACHES PLUTO
On this historic day in 2015, NASA's New Horizons space probe made a close flyby on Pluto - after its nearly 9.5-year and five billion-km journey! Pluto was still considered a "planet" when the probe left Earth in January 2006.
#AstroOTD JAPAN’S HAYABUSA2 LANDED ON ASTEROID RYUGU
On this day in 2019, JAXA's Hayabusa2 craft successfully made its 2nd touchdown on the surface of asteroid Ryug - collecting subsurface materials for the first time. It delivered the asteroid sample to Earth on Dec. 6, 2020.
#AstroOTD SKYLAB REENTERS EARTH'S ATMOSPHERE
On this day in 1979, NASA's Skylab space station re-entered Earth's atmosphere, dropping big chunks of hardware into the Indian Ocean and across Western Australia. Esperance, Australia fined NASA $400 for littering.
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