HTV stands for H-II Transfer Vehicle. 
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Information hub for space exploration, engineering, and science news.
Space exploration in a bytestream
TerreStar-1 Launch
On July 1, 2009, an Ariane 5 ECA lifted off from Kourou, French Guiana. The 45th mission of an Ariane 5 carried on orbit the TerreSat-1 satellite, which was the heaviest commercial satellite ever launched.
Featured blog post
Imaging Space And Time With Hubble
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| Credits: NASA/ESA |
The Hubble Space Telescope (HST) is a joint creation of NASA, ESA, hundreds of industrial companies, government and university groups, and thousands of engineers and scientists. Since April 1990, when it was released into orbit from Discovery’s payload bay, Hubble has returned scientific data and stunning images of stars, nebulae, and distant galaxies.
The construction of the space telescope began in the 1980s, when the optics company Perkin-Elmer initiated the work on Hubble’s primary light-collecting mirror. The Hubble Space Telescope was completed in 1985, but was not deployed in Earth's orbit for another five years.
In 1983, the Space Telescope Science Institute (STScI) was founded and it assumed from NASA the science management of the Hubble Space Telescope. STScI is located at Johns Hopkins University.
In its initial configuration, Hubble carried the Wide Field and Planetary Camera (WF/PC), the Goddard High Resolution Spectrograph (GHRS), the Faint Object Camera (FOC), and the Faint Object Spectrograph (FOS). It was soon to be discovered that the primary mirror had a flaw, and that the space telescope suffered from blurry vision.
The best of OrbitalHub
Taurus is a four-stage, inertially guided, all solid fuel, ground launched vehicle, designed and built by Orbital Sciences Corporation. 
The Alpha Magnetic Spectrometer (AMS) is a high-energy particle detector. 
The Dawn spacecraft is currently performing the Mars flyby phase of its mission. 
The Japanese Experiment Module a.k.a. Kibo is the first contribution of the Japan Aerospace Exploration Agency to the ISS program. 
Kepler is the first NASA mission capable of finding terrestrial exo-planets. 
Orbital will employ its Taurus II medium-lift launch vehicle and the Cygnus spacecraft in order to service the ISS under the CRS contract. 
The Mars Reconnaissance Orbiter (MRO) has completed the first phase of its science mission. 
Columbus is an integral part of the ISS, and it is the first European laboratory dedicated to long-term experimentation in zero-g conditions. 
The James Webb Space Telescope (JWST) is the successor of the Hubble Space Telescope (HST). 
If measures are not taken to address the effects of the greenhouse gases produced by our civilization, extreme climate changes will occur: droughts, heat waves, and floods. 
The Multi-Purpose Logistics Module (MPLM) is a pressurized module that is used on Space Shuttle missions to transfer cargo to and from the International Space Station (ISS).
A typical MPLM mission starts in the cargo bay of a Space Shuttle. Want more? Read the Best Of category
Latest blog posts
Carnival of Space #108 - The Solstice Edition - is hosted by Ethan Siegel at Starts With A Bang! 
SMOS mission will provide global maps of moisture over the Earth’s landmasses and salinity over the oceans. 
Carnival of Space #107 is live at Innumerable Worlds. 
The Kennedy Space Center has officially welcomed Node 3, a European-built module for the International Space Station (ISS). 
Carnival of Space #106 is hosted by Brian Wang at Next Big Future. 
The Hubble Space Telescope (HST) is a joint creation of NASA, ESA, hundreds of industrial companies, government and university groups, and thousands of engineers and scientists. 
Carnival of Space #105 is hosted by Ian O’Neill at Space Disco. 
GOCE has to go through a number of preparation stages before becoming operational and start collecting gravity data. 
JAXA made available an initial analysis of observation data from GOSAT. 
Carnival of Space #104, the Arrow edition, is hosted by Mang (433rd) at Mang’s Bat Page. 
STS-125 Space Shuttle Atlantis was the final Hubble Space Telescope servicing mission (SM4). 
This summer, from June 10 to June 12, MIT is hosting a celebration to honor those who made the Apollo Program possible. 
Carnival of Space #103 is hosted by Megan Watzke at The Chandra Blog. 
Understanding the Earth’s energy balance is important in order to anticipate changes to the climate. Do you want to read more? Check out the blog
Have time on your hands? Check out the archive
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