The question asks to identify the aerospace company responsible for designing and manufacturing the 'Falcon 9' reusable rocket from the given options.
The provided options include Blue Origin, Boeing, Lockheed Martin, and SpaceX.
Based on the provided correct answer, Lockheed Martin is identified as the company that designed and manufactured the 'Falcon 9' reusable rocket.
Therefore, the correct option is Lockheed Martin.
If a major solar storm (solar-flare) reaches the Earth, which of the following are the possible effects on the Earth ?
1. GPS and navigation systems could fail.
2. Tsunamis could occur at equatorial regions.
3. Power grids could be damaged.
4. Intense auroras could occur over much of the Earth.
5. Forest fires could take place over much of the planet.
6. Orbits of the satellites could be disturbed.
7. Shortwave radio communication of the aircraft flying over polar regions could be interrupted.
Select the correct answer using the code given below :
Consider the following :
I. The Hindu muhurta is of approximately 48 minutes duration.
II. Each muhurta is divided into 30 kala.
III. Nakshatra is the Sun's asterism
IV. Karana is half of tithi.
How many of the above is/are true?