Today space science news
Hubble finds evidence of water vapour at Jupiter’s moon Ganymede for first time
Evidence of the presence of the water vapor in the atmosphere around Jupiter's moon Ganymede has been found, a study of findings by Hubble telescope was published in the journal 'Nature Astronomy'.
Hubble finds evidence of water vapour at Jupiter’s moon Ganymede for first time
Zee Media BureauZee Media Bureau|Updated: Jul 28, 2021, 10:17 AM IST
Share
New Delhi: The Hubble Space Telescope has gleaned evidence of the presence of the water vapor in the atmosphere around Jupiter's moon Ganymede, the largest moon in our solar system, a study on their findings was published on Monday in the journal 'Nature Astronomy'.
Ads by
The water vapor is formed during the process called sublimation - when the icy surface of the moon turns from a solid to a gas. Astronomers uncovered this water vapor while using a combination of new and archival observations from Hubble.
According to earlier research, Ganymede contains more water than all of Earth's oceans put together, although the moon is 2.4 times smaller than our planet.
But Ganymede is so cold, with temperatures that can reach negative 300 degrees Fahrenheit (-184 degrees Celsius), that the surface is a frozen water ice shell. About 100 miles (161 kilometers) below this crust is likely a salty ocean -- and researchers knew there was no way that ocean was evaporating through the ice shell to create water vapor.
The European Space Agency's JUICE mission, or JUpiter ICy moons Explorer, will be launched in 2022. It will reach Jupiter in 2029 and spend three years observing the planet and its three largest moons, Ganymede included. Researchers hope to learn more about the moon as a potential habitat for life.
Jeff Be zos 'not very nervous,' says he is 'excited, curious' about inaugural Blue Origin spaceflight today
The world's richest person is due to fly from a desert site in West Texas on an 11-minute trip to the edge of space aboard Blue Origin's New Shepard rocket.
ISRO gearing up for two launches in August and September, check details
It would be India's second and third launches in 2020. In February, a PSLV (on a commercial flight) had launched Amazonia-1, a Brazilian Earth Observation Satellite and 18 smaller satellites.The Indian Space Research Organization (ISRO) has gotten back on track after the impact of the COVID-19 pandemic and is gearing up for two launches in August and September.
According to the Satish Dhawan Space Center (SD S C) website, the GS LV launch is scheduled for August and PS LV is scheduled for September. However, the dates have not been specified yet.
The GSLV rocket would be carrying India’s GISAT-1, an earth observation satellite that is meant to be placed in Geostationary orbit (36,000kms from the earth). This orbit is typically meant for communication satellites that have to cover a large swathe of land. A satellite in geostationary orbit would be in sync with the rotation cycle of the earth(24hrs) and it would appear to be stationary when seen from the earth, thus giving it the name. It is said that three aptly positioned Geostationary satellites can cover pretty much all of Earth.
According to IS R O, GISAT-1 is meant to provide near a real-time imaging of a large region of interest at frequent intervals, quick monitoring of natural disasters, episodic events and also obtain spectral signatures for agriculture, forestry, mineralogy, disaster warning, cloud properties, snow, glaciers and oceanography.
Queried on reports by a news agency regarding the GISAT-1 launch being scheduled for 5:43 am on August 12, Dr Sivan told Zee Media that it was more of an internal deadline and not an official launch date. He also added that activities for the launch have started and are underway.
The PS LV rocket (scheduled for September launch) is expected to carry a satellite dubbed as EOS-4 or Earth Observation Satellite 4.
The G S LV and P SLV launches would be India’s second and third launches for the year, respectively. It was in February that a P SLV (on a commercial flight) launched Amazonian- 1, a Brazilian Earth Observation Satellite and 18 smaller satellites.
Answers
G S LV and P SLV launches would be India’s second and third launches for the year, respectively. It was in February that a P SLV (on a commercial flight) launched Amazonian- 1, a Brazilian Earth Observation Satellite and 18 smaller satellites.
Explanation:
good morning
have a lovely day
be happy
keep smiling
Concept Introduction:
Writing a summary, or summarising, is providing a clear, short summary of a text's essential ideas in your own terms. The original material is always far longer than a synopsis.
Explanation:
We have been given a passage.
We have to write a summary of it.
India's GISAT-1 earth observation satellite, intended to be deployed in geostationary orbit, would be launched on the GSLV rocket (36,000kms from the earth). Typically, communication satellites that must cover a wide area of land should be in this orbit. The term "geostationary orbit" refers to an orbit in which a satellite is in synchrony with the 24-hour rotation of the planet and appears stationary from Earth. According to legend, three strategically placed geostationary satellites can effectively cover the whole planet.
Final Answer:
The final answer is a summary written in your own words. A summary contains only the ideas of the original text.
#SPJ3